Hazard assessment of catastrophic reactivated landslide and damage mitigation countermeasures

• Project/Area Number: 18380094
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: 林学・森林工学
• Research Institution: Kyoto University
• Principal Investigator: WANG Gonghui Kyoto University, 防災研究所, 助教 (50372553)
• Co-Investigator(Kenkyū-buntansha): SUEMINE Akira 京都大学, 防災研究所, 准教授 (00109092) ; FAWU Wang 京都大学, 防災研究所, 助教 (10324097) ; 佐々 恭二 京都大学, 防災研究所, 教授 (30086061)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥14,070,000 (Direct Cost: ¥12,300,000、Indirect Cost: ¥1,770,000); Fiscal Year 2008: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000); Fiscal Year 2007: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000); Fiscal Year 2006: ¥6,400,000 (Direct Cost: ¥6,400,000)
• Keywords: 再活動地すべり / 地震 / 降雨 / 斜面変動 / せん断強度 / 地下水位 / 間隙水圧 / 斜面災害 / 土砂災害

Research Abstract

地震や降雨などで再活動した地すべりに対する現地調査及び室内実験研究を行った結果, 再活動とする大規模地すべりの土塊が地すべり活動により粗となり, 土塊内部において高速地すべりが発生しうることが分かった。地すべり移動土塊の範囲・力学特性を同定する手法を開発し, 地すべり土塊の移動と土層のせん断特性や地下水位の変化及び潮汐による大気圧の変化などの関係を解明し, 再活動型地すべりの発生危険度評価手法を開発した。

Research Products

• [Journal Article] Residual shear strength characteristics and mechanism of a rainstorm-triggered landslide in Tokushima Prefecture, Japan (2009)
  • Author(s): Gonghui Wang, Akira Suemine, and William Schulz
  • Journal Title: Earth Surface Processes and Landforms (in press)
  • Peer Reviewed
• [Journal Article] 徳島県那賀町白石地すべり地における蛇紋岩の残留強度特性について (2009)
  • Author(s): 王功輝・末峯章
  • Journal Title: 日本地すべり学会誌 (出版中)
  • Peer Reviewed
• [Journal Article] Some catastrophic landslides triggered by the May 12, Arapid loess flowslide triggered by irrigation in China (2009)
  • Author(s): Dexuan Zhang, Gonghui Wang, Chunyong Luo, Jun Chen, Yunxi Zhou
  • Journal Title: Landslides 6 Pages: 55-60
  • Peer Reviewed
• [Journal Article] Seismic loading impacts on excess pore-water pressure maintain landslide triggered flowslides (2009)
  • Author(s): Wang, G., K. Sassa
  • Journal Title: Earth Surface Processes and Landforms 34 Pages: 232-241
  • Peer Reviewed
• [Journal Article] A rapid loess flowslide triggered by irrigation in China (2008)
  • Author(s): Dexuan Zhang, Gonghui Wang, Chunyong Luo, Jun Chen, Yunxi Zhou
  • Journal Title: Landslides 6(1) Pages: 55-60
  • Peer Reviewed
• [Journal Article] Seismic loading impacts on excess pore water pressure maintain landslide triggered flowslides (2008)
  • Author(s): Gonghui Wang, Kyoji Sassa
  • Journal Title: Earth Surface Processes and Landforms 34(2) Pages: 232-241
  • Peer Reviewed
• [Journal Article] Probabilistic modeling of seismically triggered landslides using Monte Carlo simulations (2008)
  • Author(s): Huabin Wang, Gonghui Wang, Fawu Wang, Kyoji Sassa and Yuping Chen
  • Journal Title: Landslides 5(4) Pages: 387-395
  • Peer Reviewed
• [Journal Article] Probabilistic modeling of seismically triggered landslides using Monte Carlo simulations (2008)
  • Author(s): Wang H. B., Wang G., Wang, F. W., Sassa K., Chen Y. P.
  • Journal Title: Landslides 5 Pages: 387-395
  • Peer Reviewed
• [Journal Article] 中国三峡ダム貯水池における湛水による樹坪地すべりの観測 (2008)
  • Author(s): 汪発武, 新井場公徳, 張業明, 霜志濤, 王功輝, 彭軒明
  • Journal Title: 日本地すべり学会誌 44 Pages: 68-74
  • Peer Reviewed
• [Journal Article] Movement of the Shuping landslide in the first four years after the initial impundment of the Three Gorges Dam Reservior, China (2008)
  • Author(s): Wang F. W., Zhang Y. M., Huo Z. T., Peng X. M., Araiba K. Wang, G.
  • Journal Title: Landslides 5 Pages: 32-329
  • Peer Reviewed
• [Journal Article] Geotechnical analysis of a flowslide in the 2003 Sanriku-Minami, Japan, earthquake (2008)
  • Author(s): Gonghui Wang, Kyoji Sassa
  • Journal Title: Earth Surface Processes and Landforms (In press)
  • Peer Reviewed
• [Journal Article] Study of the 1920 Haiyuan earthquake-induced landslides in loess (China) (2007)
  • Author(s): Dexuan Zhang, and Gonghui Wang
  • Journal Title: Engineering Geology 94 Pages: 76-88
  • Peer Reviewed
• [Journal Article] 平成16年新潟県中越地震により発生した再活動地すべりにおける高速地すべり発生・運動機構 (2007)
  • Author(s): 佐々恭二・福岡浩・汪発武・王功輝
  • Journal Title: 日本地すべり学会誌 44(2) Pages: 40-47
  • Peer Reviewed
• [Journal Article] Undrained cyclic behavior of bentonite-sand mixtures and factors affecting it (2007)
  • Author(s): Gratchev I., Sassa K., Osipov V., Fukuoka H., Wang G
  • Journal Title: Geotechnical and Geological Engineering 25(3) Pages: 349-367
  • Peer Reviewed
• [Journal Article] Experimental Study on the Shearing Behavior of Saturated Silty Soils Based on Ring Shear Tests (2007)
  • Author(s): Gonghui Wang, Kyoji Sassa, Hiroshi Fukuoka, Takahiro Tada
  • Journal Title: Journal of Geotechnical and Geoenvironmental Engineering, ASCE 133(3) Pages: 319-333
  • Peer Reviewed
• [Journal Article] Influence of shear speed and normal stress on shear behavior and shear zone structure of granular materials in naturally-drained ring shear tests (2007)
  • Author(s): Hiroshi Fukuoka, Kyoji Sassa, Gonghui Wang
  • Journal Title: Landslides 4(1) Pages: 63-74
  • Peer Reviewed
• [Journal Article] Undrained cyclic behavior of bentonite-sand mixtures and factors affecting it (2007)
  • Author(s): Gratchev, I., Sassa, K., Osipov, V., Fukuoka, H., Wang, G.
  • Journal Title: Geotechnical and Geological Engineering 25 Pages: 349-367
  • Peer Reviewed
• [Journal Article] 平成16年新潟県中越地震により発生した再活動地すべりにおける高速地すべり発生・運動機構 (2007)
  • Author(s): 佐々恭二・福岡浩・汪発武・王功輝
  • Journal Title: 日本地すべり学会誌 44 Pages: 40-47
  • Peer Reviewed
• [Journal Article] Study of the 1920 Haiyuan earthquake-induced landslides in loess(China) (2007)
  • Author(s): Zhang, D.X., Wang, G.
  • Journal Title: Engineering Geology 94 Pages: 76-88
  • Peer Reviewed
• [Journal Article] Experimental Study on the Shearing Behavior of Saturated Silty Soils Based on Ring Shear Tests (2007)
  • Author(s): Wang, G, Sassa, K., Fukuoka, H., Tada, T.
  • Journal Title: Journal of Geotechnical and Geoenvironmental Engineering, ASCE 133(3) Pages: 319-333
• [Journal Article] Undrained cyclic behavior of bentonite-sand mixtures and factors affecting it (2007)
  • Author(s): Gratchev, I., Sassa, K., Osipov, V., Fukuoka, H., Wang, G.
  • Journal Title: Geotechnical and Geological Engineering (in press)
• [Journal Article] Influence of shear speed and normal stress on shear behavior and shear zone structure of granular materials in naturally-drained ring shear tests (2007)
  • Author(s): Fukuoka, H., Sassa, K., Wang, G.
  • Journal Title: Landslides : Journal of the International Consortium on Landslides 4(1) Pages: 63-74
• [Journal Article] Sliding mechanism of the 2004 Mid-Niigata Prefecture Earthquake-triggered rapid landslides occurred within the past landslide masses (2007)
  • Author(s): Sassa, K., Fukuoka, H., Wang, F.W., Wang, G.
  • Journal Title: 日本地すべり学会誌 (印刷中)
  • NAID: 10019749212
• [Journal Article] Unified Three-dimensional Revision of Modified Cam Clay Model (2007)
  • Author(s): Li, H.Z., Liao, H.J., Sassa, K., Wang, G.
  • Journal Title: Key Engineering Materials 340-341 Pages: 1267-1272
• [Journal Article] Observation of shear zone development in ring-shear apparatus with a transparent shear box (2006)
  • Author(s): Hiroshi Fukuoka, Kyoji Sassa, Gonghui Wang, Ryo Sasaki
  • Journal Title: Landslides 3(3) Pages: 239-251
  • Peer Reviewed
• [Journal Article] Volumetric behavior of saturated sands under poor drainage conditions (2006)
  • Author(s): Lourenco S.D.N., Wang G., Sassa K., Fukuoka H
  • Journal Title: Journal of Geophysical Research VOL. 111, F03004
  • Peer Reviewed
• [Journal Article] Observation of shear zone development in ring-shear apparatus with a transparent shear box (2006)
  • Author(s): Fukuoka, H., Sassa, K., Wang, G., Sasaki, R.
  • Journal Title: Landslides : Journal of the International Consortium on Landslides 3(3) Pages: 239-251
• [Journal Article] Volumetric behavior of saturated sands under poor drainage conditions (2006)
  • Author(s): Lourenco, S.D.N., Wang, G., Sassa, K., Fukuoka, H.
  • Journal Title: Journal of Geophysical Research 111
• [Presentation] Some rapid and long traveled landslides triggered by the May 12 (2009)
  • Author(s): Wang G., Kamai T., Chigira M., Wu X.Y., Zhang D.X.
  • Organizer: 2008 Sichuan earthquake, China. European Geosciences Union General Assembly
  • Place of Presentation: Vienna
  • Year and Date: 2009-04-23
• [Presentation] Distribution and features of landslides induced by the 2008 Wenchuan Earthquake (2009)
  • Author(s): Chigira M., Wu X.Y., Inokuchi T., Wang G
  • Organizer: Sichuan, China. European Geosciences Union General Assembly
  • Place of Presentation: Vienna
  • Year and Date: 2009-04-23
• [Presentation] Landslides triggered by the 2008 Sichuan earthquake (2008)
  • Author(s): Wang, G.
  • Organizer: International Conference and Field trip of Landslides
  • Place of Presentation: University of Berne, Switzerland
  • Year and Date: 2008-08-24
• [Presentation] Some catastrophic landslides triggered by the (2008)
  • Author(s): Wang G., Kamai T., Chigira M., Wu XY
  • Organizer: Sichuan earthquake. Proc. 1st World Landslide Forum
  • Place of Presentation: Tokyo(Vol.1)(647-651)
  • Year and Date: 2008-05-12
• [Presentation] Geotechnical properties for a rainstorm-triggered landslide in Kisawa Village (2008)
  • Author(s): Wang G., Suemine A
  • Organizer: Tokushima Prefecture, Japan. In : Landslides and Engineered Slopes (eds Chen, Zhang, Li, Wu, Ho). Proceeding of the 10th ISL conference
  • Place of Presentation: Xi'an, China,(1669-1673)
• [Presentation] Probabilistic hazard mapping of earthquake-induced landslides (2008)
  • Author(s): Wang H.B., Wu S.R., Wang G., Wang F.W
  • Organizer: In : Landslides and Engineered Slopes (eds Chen, Zhang, Li, Wu, Ho). Proceeding of the 10th ISL conference
  • Place of Presentation: Xi'an, China(1469-1474)
• [Presentation] 2008年四川大地震災害現地調査報告-斜面崩壊・地すべり被害を中心として- (2008)
  • Author(s): 蒋景彩・王功輝
  • Organizer: 地盤工学会四国支部平成20年度技術研究発表会講演概要集
  • Place of Presentation: (69-70)
• [Presentation] Some catastrophic landslides triggered by the May 12, 2008 Sichuan earthquake (2008)
  • Author(s): Wang G., Kamai T, Chigira M., Wu XY
  • Organizer: Proc. 1st Landslide Forum, ICL, Tokyo
  • Place of Presentation: United Nations University, Tokyo
• [Presentation] 徳島県那賀町白石地すべり地における蛇紋岩の残留強度特性 (2007)
  • Author(s): 王功輝・末峯章・佐々恭二
  • Organizer: 第46回日本地すべり学会研究発表会講演集
  • Place of Presentation: 四日市
  • Year and Date: 2007-08-30
• [Presentation] 徳島県那賀町白石地すべり地の変動特性とそのメカニズムについて (2007)
  • Author(s): 王功輝・末峯章
  • Organizer: 斜面災害における予知と対策技術の最前線に関するシンポジウム論文集
  • Place of Presentation: 地盤工学会、福岡
• [Presentation] A flowslide during the 2003 Sanriku-Minami earthquake (2007)
  • Author(s): Wang G., Sassa, K., Fukuoka H
  • Organizer: Japan. Proc.4th Intel. Conf. Debris-Flow Hazards Mitigation : Mechanics(Prediction, and Assessment)
  • Place of Presentation: Chengdu
• [Presentation] A long-traveled loess landslide triggered by the 1920 Haiyuan earthquake in China and its mechanism. Proceedings of the First North American Landslide Conference (2007)
  • Author(s): Wang G., Zhang D.X, Furuya G., Sassa K
  • Organizer: Landslides and Society : Integrated Science, Engineering, Management, and Mitigation (Editors : V.R. Schaefer, R.L. Schuster, and A.K. Turner)
  • Place of Presentation: Vail, Co. AEG Special publication (No. 23 (on CD))
• [Presentation] Landslides Induced by a Combined Effect of Earthquake and Rainfall (2007)
  • Author(s): Sassa K., Fukuoka H., Wang F.W., Wang G
  • Organizer: In : Progress in Landslide Science (Sassa, Fukuoka, Wang, Wang, eds.)
  • Place of Presentation: Springer Verlag(193-226)
• [Presentation] 徳島県那賀町白石地すべり地における蛇紋岩の残留強度特性 (2007)
  • Author(s): 王功輝・末峯章・佐々恭二
  • Organizer: 第46回日本地すべり学会研究発表会講演集
  • Place of Presentation: (125-128)
• [Presentation] A flowslide during the 2003 Sanriku-Minami earthquake, Japan (2007)
  • Author(s): Wang, G., Sassa, K., Fukuoka H.
  • Organizer: Proc. the 4th Int. Conf. Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment
  • Place of Presentation: Chengdu, China
• [Presentation] long-traveled loess landslide triggered by the 1920 Haiyuan earthquake in China and its mechanism (2007)
  • Author(s): Gonghui Wang, Dexuan Zhang, Gen Furuya & Kyoji Sassa
  • Organizer: Proc. the First North American Landslide Conference
  • Place of Presentation: Vail, Co., USA
• [Presentation] Rainstorm-induced landslides in Kisawa village (2006)
  • Author(s): Wang G., Suemine A., Furuya G., Masahiro K
  • Organizer: Tokushima Prefecture, Japan. Proc. IAEG 2006 in
  • Place of Presentation: Nottingham (paper available on CD)
• [Presentation] Physical modeling of landslides in ring shear tests and flume tests (Keynote paper) (2006)
  • Author(s): Wang G., Sassa K
  • Organizer: In Physical Modeling in Geotechnics -6th ICPMG'06 (Ng, Zhang, Wang eds)
  • Place of Presentation: Hong Kong(113-125)
• [Presentation] Landslide Disasters Triggered by the 2004 Mid-Niigata Prefecture Earthquake in Japan (2006)
  • Author(s): Sassa K., Fukuoka H., Wang F.W., Wang G., et.al.
  • Organizer: 京都大学防災研究所年報
  • Place of Presentation: (No.49 B)(119-136)
• [Presentation] On the mechanism for a long-travel loess landslide triggered by the 1920 Haiyuan Earthquake in China
  • Author(s): Wang G., Zhang D.X., Furuya G., Sassa K
  • Organizer: In Proceeding of INTERPRAEVENT 2006 in Niigata
  • Place of Presentation: (Vol.1)(3-12)
• [Book] Springer Verlag, Heidelberg (2007)
  • Author(s): Sassa K., Fukuoka H., Wang F.W., Wang G
  • Total Pages: 375
  • Publisher: Progress in Landslide Science
• [Book] Progress in Landslide Science (2007)
  • Author(s): Sassa, K., Fukuoka, H., Wang, F.W., Wang, G.
  • Total Pages: 378
  • Publisher: Springer-Verlag, Heidelberg