WAKAI AKIHIKO

Division of Materials and Environment（Department of Civil and Environmental Engineering）Professor
Last Updated :2026/07/03

■Researcher basic information

Researcher

  • Name

    WAKAI AKIHIKO

Affiliation

  • Division of Materials and Environment（Department of Civil and Environmental Engineering）, Professor

Profile and Settings

  • Name

    AKIHIKO, WAKAI

Author Article

  • 若井,明彦,Wakai,Akihiko

Foreign language

  • Use in presentation

    English

  • Use in publication

    English

Affiliation

  • Gunma University
  • Gunma University, Prof lv

Affiliation

  • 所属情報

    Graduate School of Science and Technology

  • Job title

    Professor

Education

  • 1997, Gunma University
  • 1993, Gunma University
  • 1997, Gunma University, Graduate School, Division of Engineering
  • 1993, Gunma University, Faculty of Engineering

Degree

  • Doctor, Engineering
  • Master, Engineering

Research History

  • 1997, 1998, Gunma University
  • 1998, 2000, Gunma University
  • 2001, 2006, Gunma University
  • 2007
  • 1997, 1998, Research Associate, Gunma Univ.
  • 1998, 2000, Assistant Professor, Gunma Univ.
  • 2001, - Associate Professor, Gunma Univ.

■Research activity information

Research Areas

  • Social infrastructure (civil Engineering, architecture, disaster prevention), Geotechnical engineering

Research Interests

  • Ground
  • Interaction
  • Numerical Analysis
  • Finite Element Method
  • Ground,Interaction,Numerical Analysis,Finite Element Method

Research Themes

  • Numerical analysis for simulating the mechanical behaviors of the ground, Domestic Collaboration, -, Soil Foundations Engineering, 0131 (Japanese Only)

Papers

  • No, No, Nov. 2025, 62, 6, 4, 18
  • Simple Prediction of Rainfall-Induced Slope Failures Based on Digital Elevation Model and Geological Information, Proc. Multidisciplinary Approach for Disaster Resilience and Sustainable Technologies, Akihiko Wakai, Nguyen Van Thang, Go Sato, Takashi Kimura, Takatsugu Ozaki, Kensaku Matsumoto, Nanaha Kitamura, and Shota Fukushima, Yes, Yes, Oct. 2025, Lecture Notes in Civil Engineering, 642, 29, 48
  • FEM-Based Seismic Response Analysis of Landslide Occurrence Areas in the 2024 Noto Peninsula Earthquake, Yuanying Li, Haruka Iino, Sota Saito and Akihiko Wakai, Aug. 2025, Journal of Disaster Research, 20, 4, 410, 421, Scientific journal
  • A wide-area risk re-evaluation for seismic slope failures in 2008 Iwate-Miyagi Nairiku Earthquake, Haruka Iino, Yuanying Li, Akihiko Wakai, No, May 2024, Japanese Geotechnical Society Special Pibication, 8th International Conference on Earthquake Geotechnical Engineering (8ICEGE), 1194, 1199, Scientific journal
  • Application of TAG_FLOW Model for the Simulation of Slope Disaster in Central Vietnam Caused by a Typhoon in 2020, Fukushima, S., Van Thang, N., Sato, G., Wakai, A., No, No, Apr. 2024, In: Duc Long, P., Dung, N.T. (eds) Proceedings of the 5th International Conference on Geotechnics for Sustainable Infrastructure Development. GEOTEC 2023. Lecture Notes in Civil Engineering, vol 395, 1737, 1748
    DOI
  • Evaluation of Reinforcement of a Pile by Cement-Mixed Soil Improvement Using Model Tests and 3D Elasto-Plastic FEM Simulation, Okabe, S., Kamata, T., Shimamura, A., Wakai, A., No, No, Apr. 2024, In: Duc Long, P., Dung, N.T. (eds) Proceedings of the 5th International Conference on Geotechnics for Sustainable Infrastructure Development. GEOTEC 2023. Lecture Notes in Civil Engineering, vol 395, 1035, 1049
    DOI
  • Finite Element Simulation for Creep Behavior Actualized Before the Landslide Due to Groundwater Fluctuations Based on Centrifuge Model Test, Li, Y., Isokawa, R., Tateya, S., Wakai, A., No, No, Apr. 2024, In: Duc Long, P., Dung, N.T. (eds) Proceedings of the 5th International Conference on Geotechnics for Sustainable Infrastructure Development. GEOTEC 2023. Lecture Notes in Civil Engineering, vol 395, 1711, 1725
    DOI
  • Land Cover Trajectories and Their Impacts on Rainfall-Triggered Landslide Occurrence in a Cultivated Mountainous Region of Western Japan, Takashi Kimura, Go Sato, Takatsugu Ozaki, Nguyen Van Thang and Akihiko Wakai, No, No, 2023, Water, 15, 4211
  • No, No, 2023, 64, 4, 172, 182
  • No, No, 2023, 60, 5, 1, 11
  • No, No, 2023, 18, 1, 1, 16
  • Influence of surface water and groundwater flows induced by Typhoon Hagibis (2019) on a landslide in Tomioka City, Gunma Prefecture, Japan, Nguyen Van Thang, Akihiko Wakai, Go Sato and Nanaha Kitamura, No, No, 2022, Journal of the Japan Landslide Society, 59, 5, 205, 271
  • No, No, 2022, 59, 3, 1, 15
  • Stability Analysis of Slopes with Terraced Topography in Sapa, Northern Vietnam: Semi-Infinite Slope Assumption with Specific Lengths for Slope Failure, Akihiko Wakai, Akino Watanabe, Nguyen Van Thang, Takashi Kimura, Go Sato, Kazunori Hayashi, Nanaha Kitamura, Takatsugu Ozaki, Hoang Viet Hung, Nguyen Duc Manh, and Tran The Viet, Yes, Yes, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 485, 494, Scientific journal
  • No, No, Mar. 2021, 58, 2, 57, 64
  • Yes, Yes, Jan. 2021, 58, 1, 1, 15
  • Assessment of rainfall-induced landslides in Tomioka City, Gunma Prefecture, Japan (Oct 2019) based on a simple prediction model, Akino Watanabe, Thang V. Nguyen, Akihiko Wakai, No, No, 2021, Understanding and Reducing Landslide Disaster Risk, ICL Contribution to Landslide Disaster Risk Reduction, 2, 353, 358
    DOI
  • Numerical simulation of a creeping landslide case in Japan, Understanding and Reducing Landslide Disaster Risk, Akihiko Wakai, Deepak Raj Bhat, Kenta Kotani, and Soichiro Osawa, Yes, Yes, 2021, Understanding and Reducing Landslide Disaster Risk, ICL Contribution to Landslide Disaster Risk Reduction, Vol.4, 273, 280
    DOI
  • Topographic and geologic controls on landslides induced by the 2015 Gorkha earthquake and its aftershocks: an example from the Trishuli Valley, central Nepal, Ching-Ying Tsou; Masahiro Chigira; Daisuke Higaki; Go Sato; Hiroshi Yagi; Hiroshi P. Sato; Akihiko Wakai; Vishnu Dangol; Shanmukhesh C. Amatya; Akiyo Yatagai, May 2018, LANDSLIDES, 15, 5, 953, 965, Scientific journal
    DOI
  • Numerical assessment of liquefaction mitigation effects on residential houses: Case histories of the 2007 Niigata Chuetsu-offshore earthquake, Ling-Yu Xu; Fei Cai; Guo-Xin Wang; Keizo Ugai; Akihiko Wakai; Qing-Qing Yang; Atsuo Onoue, Oct. 2013, SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 53, 196, 209, Scientific journal
    DOI
  • Layered internal structure and breaching risk assessment of the Higashi-Takezawa landslide dam in Niigata, Japan, Gonghui Wang; Gen Furuya; Fanyu Zhang; Issei Doi; Naoki Watanabe; Akihiko Wakai; Hideaki Marui, Aug. 2016, GEOMORPHOLOGY, 267, 48, 58, Scientific journal
    DOI
  • Earthquake-induced landslides: Distribution, motion and mechanisms, Susumu Nakamura; Akihiko Wakai; Jun Umemura; Hiroyuki Sugimoto; Toshiya Takeshi, Aug. 2014, SOILS AND FOUNDATIONS, 54, 4, 544, 559, Scientific journal
    DOI
  • 2006, No.813/Ⅲ-74, pp.157-168
  • 2003, Vol.51,No.2,pp.13-15
  • 2003, Vol.47,pp.559-564
  • 2003, Vol.6, pp.713-721
  • 2003, pp.107-114
  • 2004, Vol.40, No.5, pp.6-16
  • 2005, Vol.49, pp.889-894
  • 2005, Vol.42,Vol.1, pp.63-68
  • 2005, Vol.53,No.8,pp.19-21
  • 2005, Vol.52,No.8,pp.22-24
  • 2005, Vol.8, pp.663-672
  • 2005, No.794/Ⅰ-72, pp.171-188
  • 2005, Vol.53,No.12,pp.95-97
  • 2006, Vol.42,Vol.5, pp.18-28
  • 2005, Vol.53,No.6,pp.75-79
  • 2004, Vol.52,No.8,pp.19-21
  • 2004, Vol.7, pp.899-908
  • 2004, Vol.7, pp.917-926
  • 2004, Vol.7, pp.1033-1041
  • 2006, Vol.54, No.10
  • 2007
  • 2007, Vol.10
  • 2007, Vol.44, No.3
  • 2007, 第622号
  • 2008, 第73巻, 第626号
  • 2008, Vol.45, No.3
  • 2007, 第13巻, 第26号
  • 2009, 65, 1
  • Apr. 2011, Vol.48, No.1
  • Jun. 2011, Vol.59, No.6
  • Jan. 2012, Vol. 7, No. 1
  • Feb. 2012, Vol. 49, No. 5
  • Feb. 2012, Vol. 49, No. 6
  • Jul. 2016, 53, 4
    DOI
  • Thickness distribution of pyroclastic fall layers on outer slopes of the caldera rim, Izu Oshima Volcano, KIMURA Takashi; GOTO Satoshi; SATO Go; WAKAI Akihiko; DOSHIDA Shoji, 2016, Journal of the Japan Landslide Society, 53, 2, 43, 49
    DOI
  • Sep. 2015, 52, 5
  • Dec. 2014, 51, 6
  • Apr. 2013, 61, 4
  • Feb. 2013, 50, 1
  • Jul. 2019, Vol. 14, No. 2
  • A simple prediction model for shallow groundwater level rise in natural slopes based on finite element solutions, WAKAI Akihiko; HORI Kyosuke; WATANABE Akino; CAI Fei; FUKAZU Hiromi; GOTO Satoshi; KIMURA Takashi, 2019, Journal of the Japan Landslide Society, 56, 0, 227, 239
    DOI
  • Strength characteristics of gravitationally deformed slope deposits of tephra and kuroboku soils in the Aso caldera, Japan －Application of revised vane-shear-cone test for estimating shear strength－, SATO Go; WAKAI Akihiko; GOTO Satoshi; KIMURA Takashi, 2019, Journal of the Japan Landslide Society, 56, 0, 250, 253
    DOI
  • Evaluation of landslide susceptibility by slope stability analysis using an estimated distribution of tephra deposits－A case study in the northeastern part of Aso caldera－, KIMURA Takashi; GOTO Satoshi; SATO Go; WAKAI Akihiko; HAYASHI Shintaro; HIGAKI Daisuke, 2019, Journal of the Japan Landslide Society, 56, 0, 240, 249
    DOI
  • A simple constitutive model for the seismic analysis of slopes and its applications, A Wakai; K Ugai, Aug. 2004, SOILS AND FOUNDATIONS, 44, 4, 83, 97, Scientific journal
  • Lateral resistance of short single piles and pile groups located near slopes, Kwang-Seok Chae; UGAI KEIZO; WAKAI AKIHIKO, 2004, International Journal of Geomechanics, Vol.4, No.2, pp.93-103
  • Slope failures at Yokowatashi and Nagaoka College of Technology due to the 2004 Niigata-Ken Chuetsu Earthquake and their analytical considerations, Atsuo Onoue; Akihiko Wakai; Keizo Ugai; Kunihiro Higuchi; Kiyoshi Fukutake; Hiroyuki Hotta; Seiichiro Kuroda; Hideaki Nagai, Dec. 2006, SOILS AND FOUNDATIONS, 46, 6, 751, 764, Scientific journal
  • Field press-in test of tapered steel pipe and timber piles, Koji Tominaga; Qunli Chen; Masahito Tamura; Akihiko Wakai, Nov. 2007, JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING, 6, 2, 339, 345, Scientific journal
  • NUMERICAL MODELING OF AN EARTHQUAKE-INDUCED LANDSLIDE CONSIDERING THE STRAIN-SOFTENING CHARACTERISTICS AT THE BEDDING PLANE, Akihiko Wakai; Keizo Ugai; Atsuo Onoue; Seiichiro Kuroda; Kunihiro Higuchi, Aug. 2010, SOILS AND FOUNDATIONS, 50, 4, 533, 545, Scientific journal
  • Numerical methods, Part II Soils and Foundations - Past, Present and Future, Murakami, A; Wakai, A; Fujisawa, K, Nov. 2010, Soils and Foundation, Vol.50, No.6
  • REVIEW OF TOPOGRAPHIC AND SOIL CONDITIONS FOR LIQUEFACTION-RELATED DAMAGE INDUCED BY THE 2007 OFF MID-NIIGATA EARTHQUAKE, ONOUE ATSUO; WAKAI AKIHIKO; UGAI KEIZO; YASUDA SUSUMU; TOYOTA HIROFUMI; INOTSUME TAKAMI; KIKU HIROYOSHI; YAMADA SUGURU; HOSAKA YOSHINORI; TSUKAMOTO YOSHIMICHI; TOWHATA IKUO, 2011, SOILS AND FOUNDATIONS, 51, 3, 533, 548
    DOI
  • Sliding layer estimation of shallow landslides on Aso volcanic mountains in Japan based on tephra layer-physical properties of soil, Mega Lia Istiyanti; Satoshi Goto; Takashi Kimura; Go Sato; Shintaro Hayashi; Akihiko Wakai; Daisuke Higaki, Dec. 2020, Geoenvironmental Disasters, 7, 1, Scientific journal
    DOI
  • Influence of Channel Morphology on Ice Conveyance and Bridging: Experiments with a Numerical Model, Kengo Osada; Robert Ettema; Yoshihiko Shimizu; Akihiko Wakai, 2020, Journal of Cold Regions Engineering, ASCE, Vol. 34, Issue 1 (Published online: Dec. 2019), Scientific journal
  • Strength characteristics of gravitational deformed slope deposits of tephra; A case study in the Aso caldera, SATO Go; WAKAI Akihiko; GOTO Satoshi; KIMURA Takashi, 2019, Proceedings of the General Meeting of the Association of Japanese Geographers, 2019, 0, 89, 89
    DOI
  • Landslide disasters induced by the Northern Kyushu heavy rainfall in July 2017, OCHIAI Hirotaka; SAKURAI Masaaki; HIGAKI Daisuke; GOTO Satoshi; WAKAI Akihiko; FUKUOKA Hiroshi; NAKAMURA Shinya; KIMURA Sho, 2017, Journal of the Japan Landslide Society, 54, 5, 225, 228
    DOI
  • Finite Element Simulation for Seismic Ground Response in Mountainous Areas in Nepal, Akihiko Wakai; Daisuke Higaki; Hiroshi Yagi; Go Sato; Masahiro Chigira, 2017, ADVANCING CULTURE OF LIVING WITH LANDSLIDES, VOL 4: DIVERSITY OF LANDSLIDE FORMS, 67, 74, International conference proceedings
    DOI
  • Numerical Simulation for an Earthquake-Induced Catastrophic Landslide Considering Strain-Softening Characteristics of Sensitive Clays, Akihiko Wakai; Fei Cai; Keizo Ugai; Tsutomu Soda, 2015, ENGINEERING GEOLOGY FOR SOCIETY AND TERRITORY, VOL 2: LANDSLIDE PROCESSES, 691, 695, International conference proceedings
    DOI
  • Characteristics and their classification of landslides induced by the 2011 Great East Japan Earthquake, The Project team for Collaborative Research and Development of River and Erosion Control Japan Landslide Society, 25 Mar. 2013, Journal of the Japan Landslide Society, 50, 2, 91, 96
    DOI
  • 01 Aug. 2007, 35, 8, 67, 73, Research society
  • Numerical Study on a Development Process of Debris Flow by the Entrainment of Bed Material in Torrent Sediment Layer, K.OSADA; Y.SHIMIZU; A.WAKAI, 2006, Annual Journal of Hydraulic Engineering, 50, 907, 912
    DOI
  • Field press-in test of tapered steel pipe and timber piles, Tominaga, Koji;Chen, Qunli;Tamura, Masahito;Wakai, Akihiko, 2007, JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING, 6, 2, 339, 345
  • Landslides: a review of achievements in the first 5 years (2004-2009), Sassa, Kyoji;Tsuchiya, Satoshi;Ugai, Keizo;Wakai, Akihiko;Uchimura, Taro, 2009, LANDSLIDES, 6, 4, 275, 286
    DOI
  • NUMERICAL MODELING OF AN EARTHQUAKE-INDUCED LANDSLIDE CONSIDERING THE STRAIN-SOFTENING CHARACTERISTICS AT THE BEDDING PLANE, Wakai, Akihiko;Ugai, Keizo;Onoue, Atsuo;Kuroda, Seiichiro;Higuchi, Kunihiro, 2010, SOILS AND FOUNDATIONS, 50, 4, 533, 545
  • NUMERICAL METHODS, Murakami, Akira;Wakai, Akihiko;Fujisawa, Kazunori, 2010, SOILS AND FOUNDATIONS, 50, 6, 877, 892
  • Numerical assessment of liquefaction mitigation effects on residential houses: Case histories of the 2007 Niigata Chuetsu-offshore earthquake, Xu, Ling-Yu;Cai, Fei;Wang, Guo-Xin;Ugai, Keizo;Wakai, Akihiko;Yang, Qing-Qing;Onoue, Atsuo, 2013, SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 53, 196, 209
    DOI
  • Earthquake-induced landslides: Distribution, motion and mechanisms, Nakamura, Susumu;Wakai, Akihiko;Umemura, Jun;Sugimoto, Hiroyuki;Takeshi, Toshiya, 2014, SOILS AND FOUNDATIONS, 54, 4, 544, 559
    DOI
  • Topographic and geologic controls on landslides induced by the 2015 Gorkha earthquake and its aftershocks: an example from the Trishuli Valley, central Nepal, Tsou, Ching-Ying;Chigira, Masahiro;Higaki, Daisuke;Sato, Go;Yagi, Hiroshi;Sato, Hiroshi P.;Wakai, Akihiko;Dangol, Vishnu;Amatya, Shanmukhesh C.;Yatagai, Akiyo, 2018, LANDSLIDES, 15, 5, 953, 965
    DOI
  • MODEL TESTS AND ANALYSES ON LATERAL LOADING BEHAVIOR OF SINGLE PILES, WAKAI Akihiko;UGAI Keizo, Jun. 1995, Doboku Gakkai Ronbunshu, 517, 159, 168
  • Analysis on Sliding of Slopes during Earthquakes by the Dynamic Elasto-Plastic FEM, UGAI Keizo;IDA Hisao;WAKAI Akihiko, Jun. 1995, Landslides, 32, 1, 8, 11
  • Three-dimentional FEM Study on Lateral Loading Behaviour of Single Pile or Group Piles, Aug. 1995, 43, 8, 19, 22
  • 21031 Estimation of underground structure model by microtremor in Horinouchi that were damaged by the Nagano Prefecture Kamishiro fault earthquake Study by the H/V Spectral Ratio, HADA Koji;YAMADA Masayuki;WAKAI Akihiko;SENNA Shigeki;WAKAI Atsushi, Sep. 2015, Summaries of technical papers of annual meeting, 2015, 61, 62
  • 20271 Comparative examples of liquefaction countermeasures for small buildings : Part.2:Results of numerical simulation, GONDA Masaya;WATANABE Taisuke;MATSUSHITA Katuya;SATO Takashi;OGAWA Masahiro;WAKAI Akihiko;HIRADE Tsutomu, Sep. 2014, Summaries of technical papers of annual meeting, 2014, 541, 542
  • Mechanism and prediction of shotcrete slope deterioration using inspection and repair records:－Examples from the Meso-Paleozoic bedrocks distributed in Gunma Prefecture－, UJIHARA Masayuki;SEKI Haruo;WAKAI Akihiko;HATANAKA Yu;EGUCHI Yosihiko;NAKANO Ryou, 2014, Journal of the Japan Landslide Society, 51, 6, 221, 232
  • LIQUEFACTION SUFFERING REDUCTION EFFECT OF INTERNAL CONSTRAINED LARGE-SCALE UNIQUE AND BOX-SHAPED SAND BAG (LARGE-SCALE UNIQUE AND BOX-SHAPED SAND BAG : A SMALL SHAKING TABLE MODEL), MONMA Toshiyuki;SHIMADA Hiroshi;NOMOTO Hutoshi;KADOTA Hirokazu;MIYASHITA Kenichirou;KANNAMI Yasuo;WAKAI Akihiko;TANAKA Shigeki, 2014, Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering), 70, 2, I_876, I_881
  • Mechanisms of Seismic Damage of Fill Slope in Residential Areas, WAKAI Akihiko, Apr. 2013, 61, 4, 6, 9
  • Finite element simulation for landslide movements using a new viscosity formulation based on empirical relationships between the factor of safety and the sliding velocity, WAKAI Akihiko;KOTANI Kenta;OSAWA Soichiro;RAJ BHAT Deepak;SAGARA Wataru, Yes, Yes, 2021, Journal of the Japan Landslide Society, 58, 1, 1, 15
  • Characteristics of hanging glacier collapse during normal time at Mt. Langtang Lirung in Nepal, Matsumoto Kosuke;Narama Chiyuki;Watanabe Honami;Kawashima Katsuhisa;Higaki Daisuke;Yagi Hiroshi;Wakai Akihiko, 2020, Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research, 2020, 0, 39, 39
  • A landslide disaster induced by Typhoon Hagibis in October 2019 in Takumi area, Tomioka City, Gunma Prefecture, WAKAI Akihiko;MURAKAMI Makoto;ISHII Yasuhiko;SODA Tsutomu;SEKI Haruo, 2020, Journal of the Japan Landslide Society, 57, 5, 179, 182
  • 2019, Journal of the Japan Landslide Society, 56, 5, 292, 292
  • Evaluation of landslide susceptibility by slope stability analysis using an estimated distribution of tephra deposits－A case study in the northeastern part of Aso caldera－, KIMURA Takashi;GOTO Satoshi;SATO Go;WAKAI Akihiko;HAYASHI Shintaro;HIGAKI Daisuke, 2019, Journal of the Japan Landslide Society, 56, 0, 240, 249
  • Strength characteristics of gravitationally deformed slope deposits of tephra and kuroboku soils in the Aso caldera, Japan －Application of revised vane-shear-cone test for estimating shear strength－, SATO Go;WAKAI Akihiko;GOTO Satoshi;KIMURA Takashi, 2019, Journal of the Japan Landslide Society, 56, 0, 250, 253
  • A simple prediction model for shallow groundwater level rise in natural slopes based on finite element solutions, WAKAI Akihiko;HORI Kyosuke;WATANABE Akino;CAI Fei;FUKAZU Hiromi;GOTO Satoshi;KIMURA Takashi, Yes, Yes, 2019, Journal of the Japan Landslide Society, 56, 0, 227, 239
  • Reliability analysis in uncertainty of slope stability influenced by spatial heterogeneity in geotechnical materials, SATAKE Ryoichiro;WAKAI Akihiko, 2019, Japanese Geotechnical Journal, 14, 2, 95, 109
  • Strength characteristics of gravitational deformed slope deposits of tephra; A case study in the Aso caldera, SATO Go;WAKAI Akihiko;GOTO Satoshi;KIMURA Takashi, 2019, Proceedings of the General Meeting of the Association of Japanese Geographers, 2019, 0
  • 3D EFFECTS ON THE STABILITY OF SLOPES DURING EARTHQUAKES, UGAI Keizo;IDA Hisao;WAKAI Akihiko, Dec. 1996, 554, 119, 128
  • INVESTIGATIONS OF THE THREE-DIMENSIONAL CONSTITUTIVE EQUATIONS FOR SAND USED IN ANALYSES ON LATERAL BEHAVIOR OF SINGLE PILE, WAKAI Akihiko;UGAI Keizo, Mar. 1998, Doboku Gakkai Ronbunshu, 589, 369, 374
  • EARTH PRESSURE AND GROUND RESPONES DURING EXCAVATION OF SHAFT AND OPENING OF SHIELD ENTRANCE, ANAN Kenichi;UGAI Keizo;WAKAI Akihiko;CAI Fei, Dec. 2000, Doboku Gakkai Ronbunshu, 666, 169, 180
  • Fundamental theories of FEM for landslide analysis, WAKAI Akihiko;CAI Fei, Sep. 2003, Journal of the Japan Landslide Society, 40, 3, 250, 254
  • DEM simulation for attainment distance of soil during cliff collapses and proposal of a simple prediction method, WAKAI Akihiko;UGAI Keizo;SHIMIZU Yoshihiko;OSADA Kengo, Jan. 2004, Journal of the Japan Landslide Society, 40, 5, 366, 376
  • Fundamental theories of FEM for landslide analysis, WAKAI Akihiko, Mar. 2004, Journal of the Japan Landslide Society, 40, 6, 528, 530
  • Evaluation of groundwater level and slope stability based on numerical analyses of saturated-unsaturated seepage in soil, WAKAI Akihiko;CAI Fei;UGAI Keizo, Mar. 1999, Landslides, 36, 4, 8, 13
  • Evaluation of Global Safety Factor of Slopes during Rainfall, UGAI Keizo;CAI Fei;SAKAJO Saiichi;WAKAI Akihiko, Jun. 1998, Landslides, 35, 1, 19, 23
  • Analysis on the Effects of Horizontal Drainage Pipes on Slope Stability, UGAI Keizo;CAI Fei;WAKAI Akihiko;SAKAJO Saiichi, Dec. 1998, Landslides, 35, 3, 1, 7
  • Relations between Slope Stabilisation Techniques and Strength Constants c' and φ', UGAI Keizo;YU Yuzhen;WAKAI Akihiko;ENOKIDO Motonori, Sep. 1996, Landslides, 33, 2, 35, 39
  • Finite element method for landslide analysis No. 11, TSUNODA Nobuyoshi;UGAI Keizo;WAKAI Akihiko;CAI Fei;KURAOKA Senro;MAKINO Takahisa;FUJIWARA Tamiaki;SHINYA Hiroaki, Nov. 2004, Journal of the Japan Landslide Society, 41, 4, 425, 429
  • Finite element method for landslide analysis No.12, KURAOKA Senro;WAKAI Akihiko;LI Liming;CAI Fei;UGAI Keizo;CHAE Kwangseok, Jan. 2005, Journal of the Japan Landslide Society, 41, 5, 553, 557
  • STANDARDIZATION OF SESIMIC RESISTANCE DESIGN PROCEDURES AND UNIFIED VISUALIZATION OF STRUCTURE RESPONSE FOR IMPROVEMENT OF ENGINEERING ABILITY, HORI Muneo;INOUE Junya;ICHIMURA Tsuyoshi;NAKAMURA Hikaru;WAKAI Akihiko;EBISAWA Takemasa;YAMAGUCHI Naoya, Jul. 2005, Doboku Gakkai Ronbunshu, 794, 171, 188
  • Examination of preciseness of 3D slope stability analysis methods using several idealized sliding masses : comparisons of Hovland method and 3D simplified Janbu method, UGAI Keizo;WAKAI Akihiko;CAI Fei, May 2005, Journal of the Japan Landslide Society, 42, 1, 63, 68
  • SEISMIC RESPONSE ANALYSIS OF GROUND-STRUCTURE SYSTEM BASED ON SIMPLE CYCLIC LOADING MODEL, WAKAI Akihiko;UGAI Keizo, May 2001, 6, 2, 611, 614
  • NUMERICAL ANALYSIS FOR SEISMIC EVALUATION OF RETAINING WALLS CONSISTING OF CONCRETE PANELS AND BACKFILL REINFORCED WITH GEOGRIDS, WAKAI Akihiko;AMANO Masamichi;IIZUKA Yutaka;UGAI Keizo, Mar. 2006, 813, 157, 168
  • A Trial of Creative Education through the Communication with a Local Community, WAKAI Akihiko;SUNAGA Tsuneo, Nov. 2005, Journal of JSEE, 53, 6, 75, 79
  • Simple computer-aided design system for rational evaluation of maximum resistance of landslide prevention piles, WAKAI Akihiko;UGAI Keizo;CAI Fei;TANAKA Kiyoshi, Jan. 2006, Journal of the Japan Landslide Society, 42, 5, 398, 408
  • NUMERICAL ANALYSIS FOR SEISMIC EVALUATION OF RETAINING WALLS CONSISTING OF CONCRETE PANELS AND BACKFILL REINFORCED WITH GEOGRIDS, WAKAI Akihiko;AMANO Masamichi;IIZUKA Yutaka;UGAI Keizo, Apr. 2006, 62, 1, 45, 56
  • Finite element simulation for collapse of dip slope during earthquake induced by strain-softening behavior of bedding plane, WAKAI Akihiko;UGAI Keizo;ONOUE Atsuo;HIGUCHI Kunihiro;KURODA Seiichiro, Sep. 2007, Journal of the Japan Landslide Society, 44, 3, 145, 155
  • Landslide Disaster in Nanmoku-Village, Gunma, Induced by Typhoon No. 9, September, 2007, Jan. 2008, 44, 5, 324, 325
  • Experience and perspective in landslide disaster prevention : Commemorating discussion of 50 years after the establishment of landslide prevention act, MARUI Hideaki, Nov. 2008, Journal of the Japan Landslide Society, 45, 4, 265, 283
  • May 2008, 45, 1
  • Large-area damage prediction system based on finite element method for risk assessment of seismic slope failure in mountains area, WAKAI Akihiko;TANAKA Norihiro;ABE Shinro;YOSHIMATSU Hiroyuki;YAMABE Kousei;WATANABE Taisuke, Sep. 2008, Journal of the Japan Landslide Society, 45, 3, 207, 218
  • Round talk discussion on safety factor in the landslide, Mar. 2009, Journal of the Japan Landslide Society, 45, 6, 445, 455
  • Risk evaluation method for earthquake-triggered landslide enhanced by cooperation of topographical-geological analysis and finite element analysis, HAYASHI Kazunori;WAKAI Akihiko;TANAKA Norihiro;ABE Shinro, Jan. 2011, Journal of the Japan Landslide Society, 48, 1, 1, 11
  • Brief report on GLOF in Chitral, northwestern Pakistan, MARUI Hideaki;YOSHIMATSU Hiroyuki;WAKAI Akihiko, Sep. 2011, 48, 5, 295, 297
  • Susceptibility zonation for landslide dams induced by near-field earthquake, HAYASHI Kazunori;WAKAI Akihiko;TANAKA Norihiro;ABE Shinro;YOSHIMATSU Hiroyuki, Sep. 2012, Journal of the Japan Landslide Society, 49, 5, 259, 266
  • Estimation of landslide debris runout distance by stabilized finite element method considering failure condition of earth mass, YOSHIMATSU Hiroyuki;WAKAI Akihiko;MARUI Hideaki;KANNO Takami, Nov. 2012, 49, 6, 313, 321
  • A review for the numerical methods to simulate natural-slope landslides, WAKAI Akihiko;YOSHIMATSU Hiroyuki, Jan. 2013, Journal of the Japan Landslide Society, 50, 1, 7, 17
  • Characteristics and their classification of landslides induced by the 2011 Great East Japan Earthquake, The Project team for Collaborative Research and Development of River and Erosion Control Japan Landslide Society, Mar. 2013, Journal of the Japan Landslide Society, 50, 2, 91, 96
  • Dynamic Elasto-plastic FEM for Evaluation of Damage Induced by Earthquakes and Its Development, Wakai Akihiko;Ugai Keizo, Feb. 2003, 51, 2, 13, 15
  • Mar. 2003, 51, 3
  • Dynamic Analysis of the Ground and Structures and Constitutive Model(Application of Constitutive Models to Computational Geotechnics), Wakai Akihiko;Sakai Hisakazu;Yuasa Akira, 2004, 52, 8
  • Dynamic Analysis of the Ground and Structures and Constitutive Model, WAKAI Akihiko;SAKAI Hisakazu;YUASA Akira, Aug. 2004, 52, 8, 19, 21
  • A SIMPLE CONSTITUTIVE MODEL FOR THE SEISMIC ANALYSIS OF SLOPES AND ITS APPLICATIONS, WAKAI AKIHIKO;UGAI KEIZO, Aug. 2004, Journal of the Japanese Geotechnical Society, 44, 4, 83, 97
  • ANALYSES OF LATERAL DISPLACEMENT OF A PILE SUPPORTED ABUTMENT CONSTRUCTED IN A SOFT SUBSOIL PROFILE, WKAI Akihiko;UGAI Keizo;MATSUDA Tetsuo;GOSE Shingo, Dec. 1997, Journal of the Japanese Geotechnical Society, 37, 4, 65, 76
  • 3-D ELASTO-PLASTIC FINITE ELEMENT ANALYSES OF PILE FOUNDATIONS SUBJECTED TO LATERAL LOADING, WAKAI Akihiko;GOSE Shingo;UGAI Keizo, Feb. 1999, Journal of the Japanese Geotechnical Society, 39, 1, 97, 111
  • Evaluation of Lateral Movement of an Abutment due to Embankment Construction, MATSUDA T., Jul. 1996, 44, 7, 15, 18
  • Elasto-aplastic Seismic Response Analysis for Prediction of Residual Deformation, Wakai Akihiko;Ugai Keizo, Jun. 1999, 47, 6, 21, 24
  • Comparative Study of Earth Dam by Several FEM Programs, TANI Shigeru;WAKAI Akihiko;SHIOMI Tadahiko, Aug. 2005, 53, 8, 19, 21
  • Comparative Study on Seismic Behavior of a Retaining Wall by Several FEM Programs, KOUSHIGE Norihiro;OKAMURA Mitsu;WAKAI Akihiko;SHIOMI Kazutoshi, Aug. 2005, 53, 8, 22, 24
  • Dec. 2004, 52, 12
  • Jan. 2001, 49, 1, 62, 63
  • Slope Failures Caused by the Niigata-ken Chuetsu Earthquake and Strength of Bedding Stratification, Dec. 2005, 53, 12, 95, 97
  • Numerical Analysis Methods for Slope Stability during Earthquake and Rainfall, Ugai Keizo;Wakai Akihiko;Cai Fei, Oct. 2006, 54, 10, 15, 17
  • 20200 Seismic Damage of Detached Houses by Liquefaction in Mid Niigata Prefecture Earthquake, Mizutani Yosuke;Tamura Masahito;Kikuchi Yasuaki;Hayashi Koichi;Suemasa Naoaki;Wawai Akihiko, Jul. 2006, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2006, 399, 400
  • 20282 Long-term settlement simulation of wooden houses based on the 3D FEM and a consideration for the heterogeneous soil properties in the ground, Wakai Akihiko;Hagiwara Tomihiro;Kawabata Hirokazu;Tamura Masahito;Okano Taizo, Jul. 2006, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2006, 563, 564
  • 20306 Analytical evaluation of the drainage performance of housing site retaining walls based on the 3D saturated-unsaturated seepage analysis, Wakai Akihiko;Suzuki Tomotaka;Futaki Mikio;Kita Hiraaki;Matsuyama Shinzo, Jul. 2006, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2006, 611, 612
  • 20329 Simulation for seismic failure of a slightly inclined housing site based on surface wave investigation, Wakai Akihiko;Tamura Masahito, Jul. 2006, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2006, 657, 658
  • Field Press-in Test of Tapered Steel Pipe and Timber Piles(Building Structures and Materials), Tominaga Koji;Chen Qunli;Tamura Masahito;Wakai Akihiko, Nov. 2007, Journal of Asian Architecture and Building Engineering, 6, 339, 345
  • ANALYTICAL METHOD FOR TAPERED PILE UNDER LATERAL LOAD : Comparisons between predicted and experimental results, TOMINAGA Koji;CHEN Qunli;TAMURA Masahito;WAKAI Akihiko, 2007, Journal of Structural and Construction Engineering (Transactions of AIJ), 72, 622, 115, 120
  • SOME SORTS OF IN-SITU TESTS ON STEEL PIPE TAPERED PILES INSTALLED BY PRESS-IN METHOD, TOMINAGA Koji;CHEN Qunli;TAMURA Masahito;WAKAI Akihiko, Dec. 2007, AIJ journal of technology and design, 26, 487, 490
  • FUNDAMENTAL STUDY ON PREDICTION OF LONG-TERM SETTLEMENT OF HOUSES BASED ON THREE DIMENTIONAL FINITE ELEMENT METHOD, WAKAI Akihiko;TAMURA Masahito;OKANO Taizo, Apr. 2008, Journal of structural and construction engineering, 626, 567, 574
  • 20198 Semi-fixed-head Model and Rotation-spring Model for Lateral Resistance of Tapered Pile, TOMINAGA Koji;QIAO Shijie;CHEN Qunli;TAMURA Masahito;WAKAI Akihiko, Jul. 2007, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2007, 395, 396
  • 20335 Discussion for evaluation method for seismic performance of residential ground based on dynamic elasto-p0lastic FEM : Part I, Wakai Akihiko;Futaki Mikio;Kawabata Hirokazu, Jul. 2007, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2007, 669, 670
  • 20336 Discussion for evaluation method for seismic performance of residential ground based on dynamic elasto-plastic FEM : Part II, Wakai Akihiko;Futaki Mikio;Suzuki Tomotaka, Jul. 2007, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2007, 671, 672
  • 231 Press-in Test of Tapered Steel Pipe Pile : Part1 Outline and Results of Tests, IKEDA Koji;CHEN Qunli;TAMURA Masahito;WAKAI Akihiko;TOMINAGA Koji, Mar. 2007, 30, 161, 164
  • 232 Press-in Test of Tapered Steel Pipe PiIe : Part2 Calculation of Test Results, IKEDA Koji;CHEN Qunli;TAMURA Masahito;WAKAI Akihiko;TOMINAGA Koji, Mar. 2007, 30, 165, 168
  • 20345 Long-term settlement analysis for pile foundations with small diameter constructed in the weak ground : Part II Piled raft, Koizumi Masashi;Wakai Akihiko;Tominaga Koji, Jul. 2008, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2008, 689, 690
  • 20344 Long-term settlement analysis for pile foundations with small diameter constructed in the weak ground : Part I Single pile, Genda Masahiro;Koizumi Masashi;Wakai Akihiko;Tominaga Koji, Jul. 2008, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2008, 687, 688
  • 5435 Virtual Shelter Life at Large Earthquake in Unit Type Underground Room Experiment, Takada Hiroyuki;Wakai Akihiko, Jul. 2005, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. E-1, Architectural planning and design I, Building types and community facilities, planning and design method building construction system human factor studies planning and design theory, 2005, 903, 904
  • SLOPE FAILURES AT YOKOWATASHI AND NAGAOKA COLLEGE OF TECHNOLOGY DUE TO THE 2004 NIIGATA-KEN CHUETSU EARTHQUAKE AND THEIR ANALYTICAL CONSIDERATIONS, ONOUE ATSUO;WAKAI AKIHIKO;UGAI KEIZO;HIGUCHI KUNIHIRO;FUKUTAKE KIYOSHI;HOTTA HIROYUKI;KURODA SEIICHIRO;NAGAI HIDEAKI, 2006, SOILS AND FOUNDATIONS, 46, 6, 751, 764
  • 2010, 58, 12
  • Efficiency of Reliability-oriented Numerical Analysis in Geotechnical Engineering, WAKAI Akihiko, Mar. 2011, 59, 3, 1, 3
  • Jun. 2011, 59, 6, 40, 43
  • 20202 Maintenance of Technical Standard about Building Site, Soil and Foundation : Part 4: Deformation Analyses of Detached House Built on Retaining Wall Rear Ground (analyses conditions), YOKAWA Hiroshi;WAKAI Akihiko;INOUE Namihiko;FUTAKI Mikio;KUZE Naoya;MATSUSHITA Keisuke, Jul. 2011, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2011, 403, 404
  • 20203 Maintenance of Technical Standard about Building Site, Soil and Foundation : Part 5: Deformation Analyses of Detached House Built on Retaining Wall Rear Ground (results and considerations), MATSUSHITA Keisuke;WAKAI Akihiko;INOUE Namihiko;FUTAKI Mikio;KUZE Naoya;YOKAWA Hiroshi, Jul. 2011, Summaries of technical papers of Annual Meeting Architectural Institute of Japan. B-1, Structures I, Loads, reliability stress analyses foundation structures shell structures, space frames and membrane structures, 2011, 405, 406
  • 2012, 60, 12
  • Estimation of landslide debris runout distance by stabilized finite element method considering failure condition of earth mass, YOSHIMATSU Hiroyuki;WAKAI Akihiko;MARUI Hideaki;KANNO Takami KANNO, 2012, Journal of the Japan Landslide Society, 49, 6, 313, 321
  • VERIFICATION OF RELIABILITY OF REINFORCED SOIL WALL BEING USED HIGH DENSITY POLYETYLEN GEO-GRID AND THIN CONCREATE PANEL, AMANO Masamichi;WAKAI Akihiko;IIDUKA Yutaka;MATSUOKA Tetuji;GOMIBUCHI Yuichi, 2004, Geosynthetics Engineering Journal, 19, 175, 182
  • Finite element method for landslide analysis No.7:Fundamental theories of FEM for landslide analysis, WAKAI Akihiko, 2004, Journal of the Japan Landslide Society, 40, 6, 528, 530
  • NUMERICAL SIMULATION ON A FULLY DEVELOPED SEDIMENT- MIXTURE FLOWS BY USING A DEM-FLOW COUPLING MODEL, SHIMIZU Yoshihiko;WAKAI Akihiko;OSADA Kengo, 2003, PROCEEDINGS OF HYDRAULIC ENGINEERING, 47, 559, 564
  • EFFECTS OF GRAIN ROTATIONAL MOTION AND ROLLING FRICTION ON DEBRIS FLOW SIMULATION BY THE DISTINCT ELEMENT METHOD, OSADA Kengo;SHIMIZU Yoshihiko;WAKAI Akihiko, 2005, PROCEEDINGS OF HYDRAULIC ENGINEERING, 49, 889, 894
  • Finite element method for landslide analysis No.4, WAKAI Akihiko;CAI Fei, 2003, Journal of the Japan Landslide Society, 40, 3, 250, 254
  • DEM simulation for attainment distance of soil during cliff collapses and proposal of a simple prediction method., WAKAI Akihiko;UGAI Keizo;SHIMIZU Yoshihiko;OSADA Kengo, 2004, Journal of the Japan Landslide Society, 40, 5, 366, 376
  • Examination of preciseness of 3D slope stability analysis methods using several idealized sliding masses: comparisons of Hovland method and 3D simplified Janbu method:comparisons of Hovland method and 3D simplified Janbu method, UGAI Keizo;WAKAI Akihiko;CAI Fei, 2005, Journal of the Japan Landslide Society, 42, 1, 63, 68
  • Simple computer-aided design system for rational evaluation of maximum resistance of landslide prevention piles, WAKAI Akihiko;UGAI Keizo;CAI Fei;TANAKA Kiyoshi, 2006, Journal of the Japan Landslide Society, 42, 5, 398, 408
  • 3D Effects on the Stability of Slopes During Earthquakes., Ugai Keizo;Ida Hisao;Wakai Akihiko, 1996, Doboku Gakkai Ronbunshu, 1996, 554, 119, 128
  • NUMERICAL STUDY ON A DEVELOPMENT PROCESS OF DEBRIS FLOW BY THE ENTRAINMENT OF BED MATERIAL IN TORRENT SEDIMENT LAYER, OSADA Kengo;SHIMIZU Yoshihiko;WAKAI Akihiko, 2006, PROCEEDINGS OF HYDRAULIC ENGINEERING, 50, 907, 912
  • Proposal for Simple Prediction Method of Degree of Damage Induced by Liquefaction, WAKAI Akihiko;UGAI Keizo, 2003, Journal of applied mechanics, 6, 713, 721
  • Study on some problems in applying the distinct element method to the analysis of sediment-mixture flows, OSADA Kengo;SHIMIZU Yoshihiko;WAKAI Akihiko, 2004, Journal of applied mechanics, 7, 1033, 1041
  • Homogeneous Modeling of Composite Ground with Columnar Improvement Based on Its Seismic Response Characteristics, WAKAI Akihiko;UGAI Keizo;HAGIWARA Tomihiro, 2004, Journal of applied mechanics, 7, 899, 908
  • Seismic respones analysis for whole structures in city using integrated earthquake simulator, HORI Muneo;ICHUMURA Tsuyoshi;NAKAMURA Hikaru;WAKAI Akihiko;EBISAWA Takemasa;YAMAGUCHI Naoya, 2004, Journal of applied mechanics, 7, 917, 926
  • Simple evaluation method for seismic performance of slightly-inclined residential ground based on surface-wave investigation and dynamic elasto-plastic finite element method, Wakai Akihiko;Tamura Masahito;Hayashi Koichi;Kamai Toshitaka;Shimizu Naomichi, 2007, Journal of applied mechanics, 10, 581, 591
  • Fundamental study for the reliability based design concerning the residual settlement of a heterogeneous earth structure induced by earthquake, WAKAI Akihiko;UGAI Keizo;TANI Shigeru, 2005, Journal of applied mechanics, 8, 663, 672
  • INTEGRATRED EARTHQUAKE SIMULATOR FOR SEISMIC RESPONSE ANALYSIS OF STRUCTURE SET IN CITY, HORI Muneo;ICHIMURA Tsuyoshi;NAKAMURA Hikaru;WAKAI Akihiko;EBISAWA Takemasa;YAMAGUCHI Naoya, 2006, STRUCTURAL ENGINEERING / EARTHQUAKE ENGINEERING, 23, 2, 297S, 306S
  • Field Press-in Test of Tapered Steel Pipe and Timber Piles, Tominaga Koji;Chen Qunli;Tamura Masahito;Wakai Akihiko, 2007, Journal of Asian Architecture and Building Engineering, 6, 2, 339, 345
  • NUMERICAL ANALYSIS FOR SEISMIC EVALUATION OF RETAINING WALLS CONSISTING OF CONCRETE PANELS AND BACKFILL REINFORCED WITH GEOGRIDS, WAKAI Akihiko;AMANO Masamichi;IIZUKA Yutaka;UGAI Keizo, 2006, Doboku Gakkai Ronbunshuu C, 62, 1, 45, 56
  • A STUDY OF THE SLOPE STABILITY PREDICTION IN CONSIDERING UNSTEADY RAIN AND UNSATURATED CHARACTER OF SOIL, NOBUOKA Takashi;UGAI Keizo;WAKAI Akihiko;FEI Cai, 2009, Doboku Gakkai Ronbunshuu C, 65, 1, 29, 40
  • Investigation of damage caused by the 2011 off the Pacific coast of Tohoku Earthquake:- Brief report on the residential lands in Sendai City -, WAKAI Akihiko;SATO Shingo;MITSUJI Kazuya;MORI Tomohiro;KAZAMA Motoki;KOSEKI Junichi, 2012, Japanese Geotechnical Journal, 7, 1, 79, 90
  • SOME SORTS OF IN-SITU TESTS ON STEEL PIPE TAPERED PILES INSTALLED BY PRESS-IN METHOD, TOMINAGA Koji;CHEN Qunli;TAMURA Masahito;WAKAI Akihiko, 2007, AIJ Journal of Technology and Design, 13, 26, 487, 490
  • FUNDAMENTAL STUDY ON PREDICTION OF LONG-TERM SETTLEMENT OF HOUSES BASED ON THREE DIMENTIONAL FINITE ELEMENT METHOD, WAKAI Akihiko;TAMURA Masahito;OKANO Taizo, 2008, Journal of Structural and Construction Engineering (Transactions of AIJ), 73, 626, 567, 574
  • NUMERICAL MODELING OF AN EARTHQUAKE-INDUCED LANDSLIDE CONSIDERING THE STRAIN-SOFTENING CHARACTERISTICS AT THE BEDDING PLANE, WAKAI AKIHIKO;UGAI KEIZO;ONOUE ATSUO;KURODA SEIICHIRO;HIGUCHI KUNIHIRO, 2010, SOILS AND FOUNDATIONS, 50, 4, 533, 545
  • NUMERICAL METHODS, MURAKAMI AKIRA;WAKAI AKIHIKO;FUJISAWA KAZUNORI, 2010, SOILS AND FOUNDATIONS, 50, 6, 877, 892
  • A study on the lateral resistance of rigid pile group in sandy slope, Chae Kwangseok;Ugai Keizo;Wakai Akihiko, 2002, Proceedings of the Japan National Conference on Geotechnical Engineering, 37, 0, 1453, 1454
  • Increase of lateral resistance of pile foundation improved with SCP, Wakai Akihiko;Kitazume Masaki;Kuno Keita, 2002, Proceedings of the Japan National Conference on Geotechnical Engineering, 37, 0, 387, 388
  • Safety evaluation of the earth retaining excavation for the construction of the unit-style underground sitting room, Wakai Akihiko;Ugai Keizo;Yamada Osamu;Tatenuma Shigeru;Yamada Kiyomi, 2003, Proceedings of the Japan National Conference on Geotechnical Engineering, 38, 0, 1651, 1652
  • The development of the slope collapse prediction support system of steep inclination area, Nobuoka Takashi;Anan Kenichi;Ugai Keizo;Wakai Akihiko;Cai Fei, 2003, Proceedings of the Japan National Conference on Geotechnical Engineering, 38, 0, 2219, 2220
  • Seismic response analysis of a retaining wall with reinforced soil composed of concrete panels and geogrids, Wakai Akihiko;Ugai Keizou;Amano Masamichi;Iizuka Yutaka;Gomibuchi Yuichi, 2004, Proceedings of the Japan National Conference on Geotechnical Engineering, 39, 0, 1639, 1640
  • REVIEW OF TOPOGRAPHIC AND SOIL CONDITIONS FOR LIQUEFACTION-RELATED DAMAGE INDUCED BY THE 2007 OFF MID-NIIGATA EARTHQUAKE, ONOUE ATSUO;WAKAI AKIHIKO;UGAI KEIZO;YASUDA SUSUMU;TOYOTA HIROFUMI;INOTSUME TAKAMI;KIKU HIROYOSHI;YAMADA SUGURU;HOSAKA YOSHINORI;TSUKAMOTO YOSHIMICHI;TOWHATA IKUO, 2011, SOILS AND FOUNDATIONS, 51, 3, 533, 548
  • Fully coupled elastoplastic analysis of house damages induced by dune liquefaction during the 2007 Niigata Chuetsu-offshore earthquake, CAI Fei;Xu Lingyu;UGAI Keizo;WAKAI Akihiko, 2012, NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan, 61, 0, 104, 104
  • Emergency survey report on geo-hazards caused by the Gorkha earthquake in Nepal, HIGAKI Daisuke;HASEGAWA Shu-ichi;YAGI Hiroshi;WAKAI Akihiko, 2015, Journal of the Japan Landslide Society, 52, 4, 203, 206
  • Investigation on the internal structure of Higashi-Takezawa landslide dam using surface wave method and microtremor array measurements, WANG Gonghui;FURUYA Gen;DOI Issei;WATANABE Naoki;WAKAI Akihiko;MARUI Hideaki, 2015, Journal of the Japan Landslide Society, 52, 5, 233, 238
  • Thickness distribution of pyroclastic fall layers on outer slopes of the caldera rim, Izu Oshima Volcano, KIMURA Takashi;GOTO Satoshi;SATO Go;WAKAI Akihiko;DOSHIDA Shoji, 2016, Journal of the Japan Landslide Society, 53, 2, 43, 49
  • Sediment disasters in Tochigi Prefecture indued by the Kanto-Tohoku heavy rainfall in September, 2015, OCHIAI Hirotaka;SAKURAI Masaaki;WAKAI Akihiko;CAI Fei;HAYASHI Kazunori, 2016, Journal of the Japan Landslide Society, 53, 3, 105, 108
  • The 2015 Gorkha earthquake induced snow-ice-rock avalanche that devastated Langtang village in Nepal, Yamasaki Shintaro;Yagi Hiroshi;Wakai Akihiko;Fukuoka Hiroshi, 2016, The Journal of the Geological Society of Japan, 122, 9, III, IV
  • Mechanism of fluidized landslides triggered by cyclic softening of volcanic cohesive soils during earthquake, WAKAI Akihiko;CAI Fei;UGAI Keizo;SODA Tsutomu, 2016, Journal of the Japan Landslide Society, 53, 4, 117, 127
  • A series of huge avalanches and rock avalanches induced by Gurkha Earthquake and aftershocks in Langtang Himal in 2015, YAGI Hiroshi;WAKAI Akihiko;YAMASAKI Shintaro;HIGAKI Daisuke, 2016, Proceedings of the General Meeting of the Association of Japanese Geographers, 2016, 0
  • Thickness distribution and mechanical properties of pyroclastic fall layers on Izu Oshima Volcano, Goto S.;Kimura T.;Sato G.;Doshida S.;Wakai A.;Hayashi S., 2016, PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN, 2016, 0, 82, 82
  • Thickness distribution and mechanical properties of pyroclastic fall layers at northern foot of central cones of Aso Volcano, Goto S.;Kimura T.;Sato G.;Higaki D.;Wakai A.;Doshida S.;Hayashi S., 2017, PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN, 2017, 0, 253, 253
  • Landslide disasters induced by the Northern Kyushu heavy rainfall in July 2017, OCHIAI Hirotaka;SAKURAI Masaaki;HIGAKI Daisuke;GOTO Satoshi;WAKAI Akihiko;FUKUOKA Hiroshi;NAKAMURA Shinya;KIMURA Sho, 2017, Journal of the Japan Landslide Society, 54, 5, 225, 228
  • The Helical Anchor Type with Application as a Horizontal Drainage Equipment for Slope Protection, Nguyen Mai Chi, Hoang Viet Hung, Akihiko Wakai, Go Sato, and Nguyen Ha Phuong, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 495, 500, Scientific journal
  • Identification, Monitoring, and Assessment of an Active Landslide in Tavan-Hauthao, Sapa, Laocai, Vietnam - A Multidisciplinary Approach, Manh Duc Nguyen, Nguyen Van Thang, Akihiko Wakai, Go Sato, Jessada Karnjana, Hoang Viet Hung, Lanh Si Ho, Indra Prakash, Hoc Tran Quang, and Binh Thai Pham, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 501, 511, Scientific journal
  • Landslide Investigation Results in Sapa Town, Lao Cai Province, Vietnam in December 2019, Nguyen Van Thang, Go Sato, Akihiko Wakai, Hoang Viet Hung, Nguyen Duc Manh, Takashi Kimura, Takanari Yamasaki, Shinichi Tosa, Kazunori Hayashi, Akino Watanabe, Takatsugu Ozaki, Nobuyuki Asai, and Nana, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 547, 555, Scientific journal
  • Landslide Process Revealed by Mineralogical Properties of Landslide Deposits in the Sa Pa District, Vietnam, Takanari Yamasaki, Go Sato, Takashi Kimura, Hoang Viet Hung, Nguyen Duc Manh, Takatsugu Ozaki, Osamu Yokoyama, Shinichi Tosa, and Akihiko Wakai, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 556, 560, Scientific journal
  • Real-Time Slope Stability Analysis Utilizing High-Resolution Gridded Precipitation Datasets Based on Spatial Interpolation of Measurements at Scattered Weather Station, Nanaha Kitamura, Akino Watanabe, Akihiko Wakai, Takatsugu Ozaki, Go Sato, Takashi Kimura, Jessada Karnjana, Kanokvate Tungpimolrut, Seksun Sartsatit, and Udom Lewlomphaisarl, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 561, 570, Scientific journal
  • A Novel Recursive Non-Parametric DBSCAN Algorithm for 3D Data Analysis with an Application in Rockfall Detection, Pitisit Dillon, Pakinee Aimmanee, Akihiko Wakai, Go Sato, Hoang Viet Hung, and Jessada Karnjana, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 579, 587, Scientific journal
  • Study on Combining Two Faster R-CNN Models for Landslide Detection with a Classification Decision Tree to Improve the Detection Performance, Asadang Tanatipuknon, Pakinee Aimmanee, Yoshihiro Watanabe, Ken T. Murata, Akihiko Wakai, Go Sato, Hoang Viet Hung, Kanokvate Tungpimolrut, Suthum Keerativittayanun, and Jessada Karnjana, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 588, 595, Scientific journal
  • New Approach for the Extraction Method of Landslide-Prone Slopes Using Geomorphological Analysis: Feasibility Study in the Shikoku Mountains, Japan, Go Sato, Takatsugu Ozaki, Osamu Yokoyama, Akihiko Wakai, Kazunori Hayashi, Takanari Yamasaki, Shinichi Tosa, Takayuki Mayumi, and Takashi Kimura, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 618, 625, Scientific journal
  • Simulation of Slope Failure Distributions Due to Heavy Rain on an Island Composed of Highly Weathered Granodiorite Based on the Simple Seepage Analysis, Takatsugu Ozaki, Akihiko Wakai, Go Sato, Takashi Kimura, Takanari Yamasaki, Kazunori Hayashi, and Akino Watanabe, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 626, 635, Scientific journal
  • The Effect of Surface Layer Thickness in a Wide-Area Simulation in Different Models: Susceptibility Mapping of Rainfall-Induced Landslide, Akino Watanabe, Akihiko Wakai, Takatsugu Ozaki, Thang Van Nguyen, Takashi Kimura, Go Sato, Kazunori Hayashi, and Nanaha Kitamura, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 636, 645, Scientific journal
  • Geometry and the Mechanism of Landslide Occurrence in a Limestone Area - Case Examples of Landslides in Vietnam and from Europe, China, and Japan -, Bui Duc Tung, Ngoc Ha Do, Nguyen Kim Thanh, Le Hong Luong, Osamu Watanabe, Kazunori Hayashi, Akihiko Wakai, and Shinro Abe, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 646, 657, Scientific journal
  • Rigorous Analysis of Stress-Dependent Landslide Movements with Groundwater Fluctuations Applicable to Disaster Prevention in Monsoon Asia, Deepak Raj Bhat, Soichiro Osawa, Akihiko Wakai, Katsuo Sasahara, Netra P. Bhandary, Fei Cai, Hirotaka Ochiai, and Norihiro Tanaka, No, No, Jun. 2021, Journal of Disaster Research, Vol.16, No.4, 658, 673, Scientific journal
  • Slope failures at Yokowatashi and Nagaoka College of Technology due to the 2004 Niigata-Ken Chuetsu Earthquake and their analytical considerations, Onoue, Atsuo;Wakai, Akihiko;Ugai, Keizo;Higuchi, Kunihiro;Fukutake, Kiyoshi;Hotta, Hiroyuki;Kuroda, Seiichiro;Nagai, Hideaki, 2006, SOILS AND FOUNDATIONS, 46, 6, 751, 764
  • REVIEW OF TOPOGRAPHIC AND SOIL CONDITIONS FOR LIQUEFACTION-RELATED DAMAGE INDUCED BY THE 2007 OFF MID-NIIGATA EARTHQUAKE, Onoue, Atsuo;Yasuda, Susumu;Toyota, Hirofumi;Inotsume, Takami;Kiku, Hiroyoshi;Yamada, Suguru;Hosaka, Yoshinori;Tsukamoto, Yoshimichi;Towhata, Ikuo;Wakai, Akihiko;Ugai, Keizo, 2011, SOILS AND FOUNDATIONS, 51, 3, 533, 548
  • Sep. 2016, 53, 73, 90
  • Study on Combining Two Faster R-CNN Models for Landslide Detection with a Classification Decision Tree to Improve the Detection Performance, Tanatipuknon Asadang;Aimmanee Pakinee;Watanabe Yoshihiro;Murata Ken T.;Wakai Akihiko;Sato Go;Hung Hoang Viet;Tungpimolrut Kanokvate;Keerativittayanun Suthum;Karnjana Jessada, Jun. 2021, Journal of Disaster Research, 16, 4, 588, 595
  • Landslide Investigation Results in Sapa Town, Lao Cai Province, Vietnam in December 2019, Thang Nguyen Van;Sato Go;Wakai Akihiko;Hung Hoang Viet;Manh Nguyen Duc;Kimura Takashi;Yamasaki Takanari;Tosa Shinichi;Hayashi Kazunori;Watanabe Akino;Ozaki Takatsugu;Asai Nobuyuki;Kitamura Nanaha, Jun. 2021, Journal of Disaster Research, 16, 4, 547, 555
  • Landslide Process Revealed by Mineralogical Properties of Landslide Deposits in the Sa Pa District, Vietnam, Yamasaki Takanari;Sato Go;Kimura Takashi;Hung Hoang Viet;Manh Nguyen Duc;Ozaki Takatsugu;Yokoyama Osamu;Tosa Shinichi;Wakai Akihiko, Jun. 2021, Journal of Disaster Research, 16, 4, 556, 560
  • Simulation of Slope Failure Distributions Due to Heavy Rain on an Island Composed of Highly Weathered Granodiorite Based on the Simple Seepage Analysis, Ozaki Takatsugu;Wakai Akihiko;Sato Go;Kimura Takashi;Yamasaki Takanari;Hayashi Kazunori;Watanabe Akino, Jun. 2021, Journal of Disaster Research, 16, 4, 626, 635
  • New Approach for the Extraction Method of Landslide-Prone Slopes Using Geomorphological Analysis: Feasibility Study in the Shikoku Mountains, Japan, Sato Go;Ozaki Takatsugu;Yokoyama Osamu;Wakai Akihiko;Hayashi Kazunori;Yamasaki Takanari;Tosa Shinichi;Mayumi Takayuki;Kimura Takashi, Jun. 2021, Journal of Disaster Research, 16, 4, 618, 625
  • The Effect of Surface Layer Thickness in a Wide-Area Simulation in Different Models: Susceptibility Mapping of Rainfall-Induced Landslide, Watanabe Akino;Wakai Akihiko;Ozaki Takatsugu;Nguyen Thang Van;Kimura Takashi;Sato Go;Hayashi Kazunori;Kitamura Nanaha, Jun. 2021, Journal of Disaster Research, 16, 4, 636, 645
  • Rigorous Analysis of Stress-Dependent Landslide Movements with Groundwater Fluctuations Applicable to Disaster Prevention in Monsoon Asia, Bhat Deepak Raj;Osawa Soichiro;Wakai Akihiko;Sasahara Katsuo;Bhandary Netra P.;Cai Fei;Ochiai Hirotaka;Tanaka Norihiro, Jun. 2021, Journal of Disaster Research, 16, 4, 658, 673
  • Stability Analysis of Slopes with Terraced Topography in Sapa, Northern Vietnam: Semi-Infinite Slope Assumption with Specific Lengths for Slope Failure, Wakai Akihiko;Watanabe Akino;Thang Nguyen Van;Kimura Takashi;Sato Go;Hayashi Kazunori;Kitamura Nanaha;Ozaki Takatsugu;Hung Hoang Viet;Manh Nguyen Duc;Viet Tran The, Jun. 2021, Journal of Disaster Research, 16, 4, 485, 494
  • Special Issue on e-ASIA JRP: Development of a Landslide Monitoring and Prediction System in Monsoon Asia, Wakai Akihiko;Sato Go;Tran The Viet;Karnjana Jessada;Komori Jiro, Jun. 2021, Journal of Disaster Research, 16, 4, 483, 484
  • ADVANCED PREDICTION OF TUNNEL INFLOW USING VIRTUAL DRAIN MODEL, HOSONO Kenichi;FUKUDA Tsuyoshi;FUJINO Akira;EJIMA Takeshi;WAKAI Akihiko, 2022, Journal of Japan Society of Civil Engineers, Ser. F1 (Tunnel Engineering), 78, 1, 1, 12
  • Simple Method for Shallow Landslide Prediction Based on Wide-Area Terrain Analysis Incorporated with Surface and Subsurface Flows, Nguyen Van Thang;Wakai, Akihiko;Sato, Go;Tran The Viet;Kitamura, Nanaha, 2022, NATURAL HAZARDS REVIEW, 23, 4
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  • ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;, Sep. 2017, 54, 1, 30
  • A simplified model for the infiltration of rainwater in natural slope consisting of fine sands, OZAKI Takatsugu;WAKAI Akihiko;WATANABE Akino;CAI Fei;SATO Go;KIMURA Takashi, 2021, Journal of the Japan Landslide Society, 58, 2, 57, 64
    DOI
  • Real-Time Slope Stability Analysis Utilizing High-Resolution Gridded Precipitation Datasets Based on Spatial Interpolation of Measurements at Scattered Weather Station, Kitamura Nanaha;Watanabe Akino;Wakai Akihiko;Ozaki Takatsugu;Sato Go;Kimura Takashi;Karnjana Jessada;Tungpimolrut Kanokvate;Sartsatit Seksun;Lewlomphaisarl Udom, Jun. 2021, Journal of Disaster Research, 16, 4, 561, 570
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  • A Novel Recursive Non-Parametric DBSCAN Algorithm for 3D Data Analysis with an Application in Rockfall Detection, Dillon Pitisit;Aimmanee Pakinee;Wakai Akihiko;Sato Go;Hung Hoang Viet;Karnjana Jessada, Jun. 2021, Journal of Disaster Research, 16, 4, 579, 587
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  • Geometry and the Mechanism of Landslide Occurrence in a Limestone Area – Case Examples of Landslides in Vietnam and from Europe, China, and Japan –, Tung Bui Duc;Do Ngoc Ha;Thanh Nguyen Kim;Luong Le Hong;Watanabe Osamu;Hayashi Kazunori;Wakai Akihiko;Abe Shinro, Jun. 2021, Journal of Disaster Research, 16, 4, 646, 657
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  • The Helical Anchor Type with Application as a Horizontal Drainage Equipment for Slope Protection, Chi Nguyen Mai;Hung Hoang Viet;Wakai Akihiko;Sato Go;Phuong Nguyen Ha, Jun. 2021, Journal of Disaster Research, 16, 4, 495, 500
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  • The Helical Anchor Type with Application as a Horizontal Drainage Equipment for Slope Protection, Chi Nguyen Mai;Hung Hoang Viet;Wakai Akihiko;Sato Go;Phuong Nguyen Ha, Jun. 2021, Journal of Disaster Research, 16, 4, 495, 500
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Misc.

  • Topographic and geologic controls on landslides induced by the 2015 Gorkha earthquake and its aftershocks: an example from the Trishuli Valley, central Nepal, Ching-Ying Tsou; Masahiro Chigira; Daisuke Higaki; Go Sato; Hiroshi Yagi; Hiroshi P. Sato; Akihiko Wakai; Vishnu Dangol; Shanmukhesh C. Amatya; Akiyo Yatagai, May 2018, LANDSLIDES, 15, 5, 953, 965
    DOI
  • Topographic and geologic controls on landslides induced by the 2015 Gorkha earthquake and its aftershocks: an example from the Trishuli Valley, central Nepal, Ching-Ying Tsou; Masahiro Chigira; Daisuke Higaki; Go Sato; Hiroshi Yagi; Hiroshi P. Sato; Akihiko Wakai; Vishnu Dangol; Shanmukhesh C. Amatya; Akiyo Yatagai, May 2018, LANDSLIDES, 15, 5, 953, 965
    DOI
  • Numerical assessment of liquefaction mitigation effects on residential houses: Case histories of the 2007 Niigata Chuetsu-offshore earthquake, Ling-Yu Xu; Fei Cai; Guo-Xin Wang; Keizo Ugai; Akihiko Wakai; Qing-Qing Yang; Atsuo Onoue, Oct. 2013, SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 53, 196, 209
    DOI
  • Numerical assessment of liquefaction mitigation effects on residential houses: Case histories of the 2007 Niigata Chuetsu-offshore earthquake, Ling-Yu Xu; Fei Cai; Guo-Xin Wang; Keizo Ugai; Akihiko Wakai; Qing-Qing Yang; Atsuo Onoue, Oct. 2013, SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 53, 196, 209
    DOI
  • Field press-in test of tapered steel pipe and timber piles, Koji Tominaga; Qunli Chen; Masahito Tamura; Akihiko Wakai, Nov. 2007, JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING, 6, 2, 339, 345
    DOI
  • Field press-in test of tapered steel pipe and timber piles, Koji Tominaga; Qunli Chen; Masahito Tamura; Akihiko Wakai, Nov. 2007, JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING, 6, 2, 339, 345
    DOI
  • Layered internal structure and breaching risk assessment of the Higashi-Takezawa landslide dam in Niigata, Japan, Gonghui Wang; Gen Furuya; Fanyu Zhang; Issei Doi; Naoki Watanabe; Akihiko Wakai; Hideaki Marui, Aug. 2016, GEOMORPHOLOGY, 267, 48, 58
    DOI
  • Layered internal structure and breaching risk assessment of the Higashi-Takezawa landslide dam in Niigata, Japan, Gonghui Wang; Gen Furuya; Fanyu Zhang; Issei Doi; Naoki Watanabe; Akihiko Wakai; Hideaki Marui, Aug. 2016, GEOMORPHOLOGY, 267, 48, 58
    DOI
  • REVIEW OF TOPOGRAPHIC AND SOIL CONDITIONS FOR LIQUEFACTION-RELATED DAMAGE INDUCED BY THE 2007 OFF MID-NIIGATA EARTHQUAKE, Atsuo Onoue; Susumu Yasuda; Hirofumi Toyota; Takami Inotsume; Hiroyoshi Kiku; Suguru Yamada; Yoshinori Hosaka; Yoshimichi Tsukamoto; Ikuo Towhata; Akihiko Wakai; Keizo Ugai, Jun. 2011, SOILS AND FOUNDATIONS, 51, 3, 533, 548
    DOI
  • REVIEW OF TOPOGRAPHIC AND SOIL CONDITIONS FOR LIQUEFACTION-RELATED DAMAGE INDUCED BY THE 2007 OFF MID-NIIGATA EARTHQUAKE, Atsuo Onoue; Susumu Yasuda; Hirofumi Toyota; Takami Inotsume; Hiroyoshi Kiku; Suguru Yamada; Yoshinori Hosaka; Yoshimichi Tsukamoto; Ikuo Towhata; Akihiko Wakai; Keizo Ugai, Jun. 2011, SOILS AND FOUNDATIONS, 51, 3, 533, 548
    DOI
  • Earthquake-induced landslides: Distribution, motion and mechanisms, Susumu Nakamura; Akihiko Wakai; Jun Umemura; Hiroyuki Sugimoto; Toshiya Takeshi, Aug. 2014, SOILS AND FOUNDATIONS, 54, 4, 544, 559
    DOI
  • Earthquake-induced landslides: Distribution, motion and mechanisms, Susumu Nakamura; Akihiko Wakai; Jun Umemura; Hiroyuki Sugimoto; Toshiya Takeshi, Aug. 2014, SOILS AND FOUNDATIONS, 54, 4, 544, 559
    DOI
  • 2005, Vol.53,No.6,pp.75-79
    DOI
  • 2006, No.813/Ⅲ-74, pp.157-168
    DOI
  • 2003, Vol.47,pp.559-564
    DOI
  • 2003, Vol.6, pp.713-721
    DOI
  • 2003, pp.107-114
  • 2004, Vol.52,No.8,pp.19-21
  • 2004, Vol.7, pp.899-908
    DOI
  • 2004, Vol.7, pp.917-926
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  • 2004, Vol.7, pp.1033-1041
    DOI
  • Lateral resistance of short single piles and pile groups located near slopes, K. S. Chae; K. Ugai; A. Wakai, Jun. 2004, International Journal of Geomechanics, 4, 2, 93, 103
    DOI
  • 2005, Vol.8, pp.663-672
    DOI
  • 2005, No.794/Ⅰ-72, pp.171-188
    DOI
  • 2005, Vol.53,No.12,pp.95-97
  • 2005, Vol.49, pp.889-894
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  • 2005, Vol.42,Vol.1, pp.63-68
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  • 2005, Vol.52,No.8,pp.22-24
  • 2003, Vol.51,No.2,pp.13-15
  • 2004, Vol.40, No.5, pp.6-16
    DOI
  • Some sorts of in-situ tests on steel pipe tapered piles installed by press-in method, Koji Tominaga; Qunli Chen; Masahito Tamura; Akihiko Wakai, Dec. 2007, AIJ Journal of Technology and Design, 13, 26, 487, 490
    DOI
  • 2005, Vol.53,No.8,pp.19-21
  • 2006, Vol.42,Vol.5, pp.18-28
    DOI
  • 2007, 321, 326
  • 2007, Vol.10, 581, 591
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  • 2007, Vol.44, No.3, 1, 11
    DOI
  • 2007, 第622号, 115, 120
  • Fundamental study on prediction of long-term settlement of houses based on three dimentional finite element method, Akihiko Wakai; Masahito Tamura; Taizo Okano, Apr. 2008, Journal of Structural and Construction Engineering, 73, 626, 567, 574
    DOI
  • 2008, Vol.45, No.3
    DOI
  • 2006, Vol.54, No.10, 15, 17
  • Slope failures at Yokowatashi and Nagaoka College of Technology due to the 2004 Niigata-Ken Chuetsu Earthquake and their analytical considerations, Atsuo Onoue; Akihiko Wakai; Keizo Ugai; Kunihiro Higuchi; Kiyoshi Fukutake; Hiroyuki Hotta; Seiichiro Kuroda; Hideaki Nagai, Dec. 2006, SOILS AND FOUNDATIONS, 46, 6, 751, 764
    DOI
  • A simple constitutive model for the seismic analysis of slopes and its applications, A Wakai; K Ugai, Aug. 2004, SOILS AND FOUNDATIONS, 44, 4, 83, 97
    DOI
  • 2009, 65, 1, 29, 40
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  • NUMERICAL MODELING OF AN EARTHQUAKE-INDUCED LANDSLIDE CONSIDERING THE STRAIN-SOFTENING CHARACTERISTICS AT THE BEDDING PLANE, Akihiko Wakai; Keizo Ugai; Atsuo Onoue; Seiichiro Kuroda; Kunihiro Higuchi, Aug. 2010, SOILS AND FOUNDATIONS, 50, 4, 533, 545
    DOI
  • 2010, Vol.50, No.6, 877, 892
  • 2011, Vol.48, No.1, 1, 11
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  • 2011, Vol.59, No.6, 40, 43
  • 2012, Vol. 7, No. 1, 79, 90
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  • 2012, Vol. 49, No. 5, 259, 266
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  • 2012, Vol. 49, No. 6, 313, 321
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  • Thickness distribution of pyroclastic fall layers on outer slopes of the caldera rim, Izu Oshima Volcano, KIMURA Takashi; GOTO Satoshi; SATO Go; WAKAI Akihiko; DOSHIDA Shoji, 2016, Journal of the Japan Landslide Society, 53, 2, 43, 49
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  • 2014, 51, 6, 3-14.
    DOI
  • 2013, 50, 1, 7-17.
    DOI
  • 2016, 53, 4, 117, 127
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  • 2015, 52, 5, 1-6.
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  • 2013, 61, 4, 6-9.
  • Lateral resistance of short single piles and pile groups located near slopes, K. S. Chae; K. Ugai; A. Wakai, Jun. 2004, International Journal of Geomechanics, 4, 2, 93, 103
    DOI
  • Slope failures at Yokowatashi and Nagaoka College of Technology due to the 2004 Niigata-Ken Chuetsu Earthquake and their analytical considerations, Atsuo Onoue; Akihiko Wakai; Keizo Ugai; Kunihiro Higuchi; Kiyoshi Fukutake; Hiroyuki Hotta; Seiichiro Kuroda; Hideaki Nagai, Dec. 2006, SOILS AND FOUNDATIONS, 46, 6, 751, 764
    DOI
  • A simple constitutive model for the seismic analysis of slopes and its applications, Akihiko Wakai; Keizo Ugai, 2004, Soils and Foundations, 44, 4, 83, 97
    DOI
  • NUMERICAL MODELING OF AN EARTHQUAKE-INDUCED LANDSLIDE CONSIDERING THE STRAIN-SOFTENING CHARACTERISTICS AT THE BEDDING PLANE, Akihiko Wakai; Keizo Ugai; Atsuo Onoue; Seiichiro Kuroda; Kunihiro Higuchi, Aug. 2010, SOILS AND FOUNDATIONS, 50, 4, 533, 545
    DOI
  • Numerical methods, Part II Soils and Foundations - Past, Present and Future, Murakami, A; Wakai, A; Fujisawa, K, 2010, Soils and Foundation, Vol.50, No.6, 877, 892
  • 地すべり分野における斜面の危険度評価の取り組み, 林一成; 若井明彦; 佐藤剛; 木村誇; 村田健史; 渡邉暁乃, 2019, 日本地球惑星科学連合大会予稿集(Web), 2019, ROMBUNNO.MGI37‐11 (WEB ONLY)
  • 自然斜面内の地下水位上昇量の簡易予測モデル, 渡邉暁乃; 尾崎昂嗣; 若井明彦; CAI Fei; 佐藤剛; 村田健史; 木村誇; 林一成; 山崎孝成, 2019, 日本地すべり学会研究発表会講演集(CD-ROM), 58th, ROMBUNNO.3‐27
  • 火山灰分布域における斜面上火山砕屑物の地盤工学的特性と表層崩壊について, 後藤 聡; 木村 誇; 若井 明彦; 佐藤 剛; 檜垣 大助; 林 信太郎, Mar. 2017, 防災科学技術研究所研究資料, 411, 25‐26
  • A series of huge avalanches and rock avalanches induced by Gurkha Earthquake and aftershocks in Langtang Himal in 2015, YAGI Hiroshi; WAKAI Akihiko; YAMASAKI Shintaro; HIGAKI Daisuke, 2016, Proceedings of the General Meeting of the Association of Japanese Geographers, 2016, 0
  • The 2015 Gorkha earthquake induced snow-ice-rock avalanche that devastated Langtang village in Nepal, Yamasaki Shintaro; Yagi Hiroshi; Wakai Akihiko; Fukuoka Hiroshi, 2016, The Journal of the Geological Society of Japan, 122, 9, III, IV
    DOI

Books and Other publications

  • Joint editor, Nov. 2020, 184, 978-4-88644-120-1
  • Joint editor, Nov. 2020, 190, 978-4-88644-119-5
  • Joint editor, Nov. 2020, 208, 978-4-88644-118-8
  • 2003, 4886440665
  • 2003, 4886440673
  • 2003, 4886440681
  • 2004, 462107380X
  • 2006, 4886440738
  • 2006, 487361838X
  • 2006, 4381018419
  • 2006, 4886444342
  • 2006, 4880589667
  • 2007
  • 2009
  • 2008, 9784902628029
  • 2009, 9784886449528
  • 2012, 9784902628036
  • 2012, 9784882825814
  • 2012, 9783642322389
  • Earthquake-Induced Landslides, Proceedings of the International Symposium on Earthquake-Induced Landslides, Springer, 2012, 9783642322389

Presentations

  • A wide-area risk re-evaluation for seismic slope failures in 2008 Iwate-Miyagi Nairiku Earthquake, Haruka Iino, Yuanying Li, Akihiko Wakai, Japanese Geotechnical Society Special Pubication, 8th International Conference on Earthquake Geotechnical Engineering (8ICEGE), May 2024, Osaka, Japan
  • Evaluation of reinforcement of a pile by cement-mixed soil improvement using model tests and 3-D elasto-plastic FEM simulation, Saya Okabe, Toshiyuki Kamata, Atsushi Shimamura, Akihiko Wakai, International Conference on Geotechnics for Sustainable Infrastructure Development (GEOTEC HANOI 2023), 14 Dec. 2023, Hanoi, Vietnam, Viet Nam, International conference
  • Application of TAG_FLOW model for the simulation of slope disaster in central Vietnam caused by a typhoon in 2020, Shota Fukushima, Nguyen Van Thang, Go Sato, Akihiko Wakai, International Conference on Geotechnics for Sustainable Infrastructure Development (GEOTEC HANOI 2023), 14 Dec. 2023, Hanoi, Vietnam, Viet Nam, International conference
  • Finite Element Simulation for Creep Behavior Actualized Before the Landslide Due to Groundwater Fluctuations Based on Centrifuge Model Test, Yuanying Li, Ryogo Isokawa, Shun Tateya, Akihiko Wakai, International Conference on Geotechnics for Sustainable Infrastructure Development (GEOTEC HANOI 2023), 14 Dec. 2023, Hanoi, Vietnam, Viet Nam, International conference
  • Simple Prediction of Rainfall-induced Slope Failures Based on Digital Elevation Model and Geological Information, Akihiko Wakai, Nguyen Van Thang, Go Sato, Takashi Kimura, Takatsugu Ozaki, Kensaku Matsumoto, Nanaha Kitamura and Shota Fukushima, Proc. Construction Resources for Environmentally Sustainable Technologies (CREST 2023), 20 Nov. 2023, Fukuoka, Japan, Japan, International conference
  • Simulation of shallow landslides induced by typhoon in July 2018 in Gogoshima, Ehime Prefecture, Japan based on a simple model, Thang, N.V., Ozaki, T., Wakai, A., Kimura, T., Sato, Go. and Kitamura, N., Conf. IOP Conference Series: Materials Science and Engineering, 25 Aug. 2023, 25 Aug. 2023, 27 Aug. 2023, Da Nang, Vietnam, Viet Nam, International conference
  • Sep. 2021, Japanese, Japan
  • Landslide risk assessment during rainfall based on a prediction model for surface water and groundwater: A case study in Kajang, Selangor, Malaysia, Thang, N.V., Kitamura, N., Wakai, A., Sato, G., Kimura, T., Osman, A., Toll, D., Taib, A.M., Taha, M.R., Conf. 3rd International Symposium on Risk Assessment and Sustainable Stability Design of Slopes, 19 Mar. 2022, English, Sendai, Japan
  • Finite element simulation for a landslide caused by The 2018 Hokkaido Eastern Iburi Earthquake considering the strain-softening behavior of clayey layer formed by weathering of pumice, Kitamura, N., Bando,N., Wakai, A., Soda, T. and Taguchi, S., 17th World Conference on Earthquake Engineering (17WCEE), 27 Sep. 2021, English, Sendai, Japan, International conference
  • Jul. 2018
  • Aug. 2018
  • Sep. 2018
  • A Simple Prediction Model for Shallow Groundwater Level Rising in Natural Slopes Based on Finite Element Analysis, Ozaki T., Watanabe A., Wakai A., Cai F., GEOTEC HANOI 2019, 28 Nov. 2019, Hanoi, Viet Nam
  • Finite element modeling of a creeping landslide induced by snowmelt groundwater, Wakai, A., Raj Bhat, D., Kotani, K. and Osawa, S., Proc. 4th Regional Symposium on Landslide in the Adriatic-Balkan Region, 23 Oct. 2019, Sarajevo, Bosnia and Herzegovina, Bosnia and Herzegovina, International conference
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  • 2017
  • Finite element simulation for dynamic centrifuge test of a simple slope, 10th International Conference of the Association for Computer Methods and Advances in Geomechanics, pp.989-992, 2001
  • Numerical analysis for seismic behavior of a slope based on a simple cyclic loading model, 4th International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics, [Paper No. 5.06], 2001
  • The influence of a slope upon the lateral resistance of a deep foundation, 5th International Conference on Deep Foundation Practice, pp.151-158, 2001
  • Lateral resistance behavior of deep foundations in slopes, 14th Southeast Asian Geotechnical Conference, 2001
  • Software for the design of slurry trench stability based on the 3D elasto-plastic finite element method, roc. 5th European Conf. Numerical Methods in Geotechnical Engineering, pp.683-688, 2002
  • Mechanism of Occurrence and Preventive Works of the Namasu-landslide in Gunma, Japan, Proc. International Conference on Slope Engineering, pp.529-533, 2003
  • Effects of Horizontal Drains on Slope Stability under High Upstream Ground Water Level by 3D FE-analysis, Proc. International Conference on Slope Engineering, pp.816-821, 2003
  • Finite Element Analysis of Drainage Well for Landslide Prevention, Proc. International Conference on Slope Engineering, pp.834-839, 2003
  • Earthquake induced slope failure and cyclic shear strength of bedding sandy soil, Proc. The Second Japan - Taiwan Joint Workshop on Geotechnical Hazards from Large Earthquakes and Heavy Rainfall, pp.43-48, 2006
  • Damage of Building Foundation and Building Lots by Mid Niigata Prefecture Earthquake 2005, Proc. The Annual International Offshore and Polar Engineering Conference (ISOPE), pp.316-323, 2006
  • Location optimization of drainage wells to stabilize a large landslide using 3D FE seepage analysis, Computational Mechanics, Sixth World Congress on Computational Mechanics in conjunction with the Second Asian-Pacific Congress on Computational Mechanics, 2004
  • Finite element analyses of horizontal drains and its homogenization model, 第４２回日本地すべり学会研究発表会講演集，pp.303-306, 2003
  • Finite element analyses of slopes reinforced with steel piles, Proc. International Conference on Slope Engineering, pp.822-827, 2003
  • Analysis of slopes reinforced with steel piles and its applications, 11th International Conference of the Association for Computer Methods and Advances in Geomechanics, pp.577-584, 2005
  • Experimental and analytical investigation of a natural landslide during the 2004 Niigata-ken Chuetsu Earthquake, Proc. International Conference on Geotechnical Engineeering, GEO-SINGAPORE 2006, pp.153-158, 2006
  • 3D FE analysis on the behavior of laterally loaded rigid piles installed nearby a slope of cohensionless soils, 10th International Conference of the Association for Computer Methods and Advances in Geomechanics, pp.1447-1450, 2001
  • 3D elasto-plastic FE analysis of piles subjected simultaneously to horizontal soil displacements and lateral forces at the pile head, 5th International Conference on Deep Foundation Practice, pp.297-302, 2001
  • Lateral Resistance of Short Pile Groups Located Near Slopes, Proc. International Conference on Slope Engineering, pp.810-815, 2003
  • Finite element simulation for the collapse of a dip slope during earthquake, Proc. of 10th International Symposium on Numerical Models in Geomechanics, 2007
  • Mechanism and analysis of large and long-distance sliding slope failures due to the 2004 Niigata-ken Chuetsu Earthquake, Proc. 12th International Conference of International Association for Computer Methods and Advances in Geomechanics, 2008
  • Numerical simulation for a landslide induced by cyclic shearing during earthquake, Proc. 12th International Conference of International Association for Computer Methods and Advances in Geomechanics, 2008
  • Numerical Simulation for a Landslide Due to Strength Degradation of Weathered Rock Induced by Cyclic Shearing During Earthquake, Proc. 14th World Conference on Earthquake Engineering, 2008
  • Finite element simulation for earthquake-induced landslide based on strain-softening characteristics of weathered rocks, Proc. Int. Symp. on Prediction and Simulation Methods for Geohazard Mitigation, 2009
  • Analytical study for effect of uncertainty in soil parameters on seismic settlement of earth structure, Proc. Performance-Based Design in Earthquake Geotechnical Engineering, 2009
  • Occurrence mechanism of rockslide at the time of the Chuetsu earthquake in 2004 - A dynamic response analysis by using a simple cyclic loading model, Proc. of 10th International Symposium on Landslides and Engineered Slopes, 2008
  • Finite element simulation for the collapse of a dip slope during 2004 Mid Niigata Prefecture Earthquake, Proc. of 10th International Symposium on Landslides and Engineered Slopes, 2008
  • Numerical simulation for earthquake-induced landslide of a dip slope, Proc. of Egypt-Japan Joint Symposium - New Horizons in Geotechnical and Geoenvironmental Engineering, 2008
  • Observation of the failure of sand-dune slope in Kariwa due of The Niigata Prefecture Shuetsu Offshore Earthquake in 2007, 第４回地盤工学会関東支部発表会（Geo-Kanto 2007）講演集, 2007
  • Analytical study on the seismic performance of the corner part of the L-type retaining wall, 第４３回地盤工学研究発表会講演集, 2008
  • Effect of uncertainty in soil properties on seismic settlement of earth structure, Proc. Int. Conf. Safety, Reliability and Risk of Structures, Infrastructures and Engineering Systems (ICOSSAR 2009), 2009
  • Earthquake-induced catastrophic landslides and their numerical modeling, Forecasting Large Earthquakes from Active Faults in Time and Space (Proc. HOKUDAN Int. Symp. Active Faulting), 2010
  • Effect of uncertainty in shear resistance along the slip surface on the evaluated global factor of safety in slope stability analysis, 13th International Conference of International Association for Computer Methods and Advances in Geomechanics, 2011
  • Finite element simulation for an earthquake-induced landslide considering strain-softening characteristics of sensitive clayey loam, International Symposium on Earthquake-induced Landslides, 2012
  • Numerical analysis of two wooden house damages induced by dune liquefaction during 2007 Niigata Chuetsu-Offshore Earthquake, International Symposium on Earthquake-induced Landslides, 2012
  • Fully coupled dynamic effective stress analysis of the Nigiri landslide triggered by 2004 Niigata-Chuetsu Earthquake, International Symposium on Earthquake-induced Landslides, 2012
  • Finite element modeling of an earthquake-induced landslide considering the strain-softening characteristics of the clayey loam, 5th Taiwan-Japan Joint Workshop on Geotechnical Hazards from Large Earthquakes and Heavy Rainfalls, 2012
  • Simple prediction method for earthquake-induced catastrophic landslide, The 14th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, 2011
  • The recent activities in the Earthquake-induced Landslides Research Project carried out by the Japan Landslide Society: the interim report, The Second World Landslide Forum, 2011
  • Numerical modeling of an earthquake-induced landslide considering the strain-softening characteristics of the clayey loam, 15th World Conference on Earthquake Engineering, 2012
  • Extension of the liquefaction strength concept under cyclic loading to the modeling of volcanic clayey soils, International Symposium on Earthquake-induced Landslides, 2012
  • Analysis of the factors affecting slope failures distribution within northern Kanto area due to The East Japan Great Earthquake, International Symposium on Earthquake-induced Landslides, 2012
  • Landslide risk evaluation in a suffered inland area in Tochigi Prefecture due to the Great East Japan Earthquake, International Symposium on Earthquake-induced Landslides, 2012
  • Analytical studies on overall distribution of earthquake-induced landslides in mountainous districts at the time of 2015 Nepal Gorkha Earthquake, GEO-EXPO 2015 in Bosnia and Herzegovina, 2015
  • Finite element simulation for an earthquake-induced catastrophic landslide considering strain-softening characteristics of sensitive clays, World Landslide Forum 3, 2014
  • Initial trigger for slope failures in volcanic ash layer of hillside surface in Izu-Oshima Island in Japan due to a typhoon rainfall in 2013, The Sixth Japan-Taiwan Joint Workshop on Geotechnical Hazards from Large Earthquakes and Heavy Rainfalls, 2014
  • Numerical simulation for an earthquake-induced catastrophic landslide considering strain-softening characteristics of sensitive clays, IAEG XII Congress, 2014
  • Finite element simulation for an earthquake-induced landslide considering strain-softening characteristics of sensitive clays, Computer Methods and Recent Advances in Geomechanics, 2014
  • Fundamental study on large-scale slope failures in the volcanic ash soil hillside induced by heavy rainfall in Japan, International Symposium on Geohazards: Science, Engineering, and Management, 2014
  • Uncertainty of Mechanical Behavior of River Dikes Related to Material Spatial Heterogeneity, 6th Asian-Pacific Symposium on Structural Reliability and its Applications (APSSRA 2016), 2016
  • Centrifuge modelling for rainfall-induced shallow failures in natural slopes, 2016
  • Finite element simulation for seismic ground response in mountainous areas in Nepal, 4th World Landslide Forum : Advancing Culture of Living with Landslides, 2017
  • Finite element simulation for the creeping behaviour of a landslide induced by snow melt water, Wakai, A; Raj Bhat, D; Kotani, K, Proc. 7th Technical Conference in Eastern Asia on Geo-Natural Disasters, 12 May 2018, Chengdu, China
  • A simple prediction model for shallow groundwater level fluctuations in natural slopes subjected to heavy rainfall, Takatsugu Ozaki; Akino Watanabe; Akihiko Wakai; Fei Cai; Go Sato; Ken T. Murata; Takashi Kimura; Kazunori Hayashi; Takanari Yamasaki, 国際特別セッション：第５８回日本地すべり学会研究発表会, 22 Aug. 2019, 熊本

Awards

  • 2006
  • 2006
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  • 2005
  • 2000
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  • 2002
  • Significant Junior Paper Award 2005, 2005

Research Projects

  • Competitive research funding, url
    対象リソースIRI
  • Numerical analysis for simulating the mechanical behaviors of the ground, Cooperative Research, Competitive research funding

Research Grants and Projects

  • 2019, 2022

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