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Characteristics and Numerical Runout Modeling Analysis of the Jiweishan Landslide, Chongqing, China
Gao Yang1,2,3; Yin Yueping4; Li Bin5,6; Feng Zhen5,6; He Kai5,6
2018-12-01
Source PublicationENVIRONMENTAL & ENGINEERING GEOSCIENCE
ISSN1078-7275
Volume24Issue:4Pages:413-423
AbstractIn this paper, we conduct a numerical simulation analysis of the catastrophic 2009 Jiweishan landslide in Wu-long, Chongqing, China, which was characterized by its rapid velocity and long runout. The study is based on detailed geological field survey data and employed DANW (Dynamic Analysis of Landslides) runout analysis software to simulate the debris-flow process and accumulation characteristics of the landslide. The best match to the actual characteristics of the debris-flow process was obtained by applying the friction rheological model in the source and accumulation areas, and the Voellmy model in the scraping area. The simulation estimated the duration of the landslide to be approximately 101 seconds, with a maximum velocity of 39.2 m/s. The initial source volume, total accumulation volume, and runout distance obtained from the DANW numerical simulation results were in good agreement with the corresponding characteristics of the actual event. The modeling scheme and parameters employed here are expected to help clarify the motion of the Jiweishan landslide and improve the accuracy of future hazard assessments in areas with similar geological, topographical, and climatic features.
KeywordRapid Long Runout Landslide DANW Numerical Simulation
Funding OrganizationScience Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Fund Project ; National Natural Science Fund Project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Fund Project ; National Natural Science Fund Project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Fund Project ; National Natural Science Fund Project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Fund Project ; National Natural Science Fund Project
WOS KeywordROCK AVALANCHE ; DEBRIS FLOW ; MECHANISM ; MOUNTAINS
Language英语
Funding ProjectScience Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences[KLSG201705] ; National Natural Science Fund Project[41472295] ; National Natural Science Fund Project[41702342]
Funding OrganizationScience Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Fund Project ; National Natural Science Fund Project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Fund Project ; National Natural Science Fund Project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Fund Project ; National Natural Science Fund Project ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; Science Foundation of Key Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences ; National Natural Science Fund Project ; National Natural Science Fund Project
WOS Research AreaEngineering ; Geology
WOS SubjectEngineering, Environmental ; Engineering, Geological ; Geosciences, Multidisciplinary
WOS IDWOS:000454133400004
PublisherGEOLOGICAL SOC AMER, INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/90275
Collection页岩气与地质工程院重点实验室
Corresponding AuthorYin Yueping
Affiliation1.CAGS, Inst Geomech, Beijing 100081, Peoples R China
2.China Univ Geosci, Beijing 100083, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing, Peoples R China
4.China Inst Geoenvironm Monitoring, Beijing 100081, Peoples R China
5.CAGS, Inst Geomech, Beijing 100037, Peoples R China
6.MLR Key Lab Neotecton Movement & Geohazards, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Gao Yang,Yin Yueping,Li Bin,et al. Characteristics and Numerical Runout Modeling Analysis of the Jiweishan Landslide, Chongqing, China[J]. ENVIRONMENTAL & ENGINEERING GEOSCIENCE,2018,24(4):413-423.
APA Gao Yang,Yin Yueping,Li Bin,Feng Zhen,&He Kai.(2018).Characteristics and Numerical Runout Modeling Analysis of the Jiweishan Landslide, Chongqing, China.ENVIRONMENTAL & ENGINEERING GEOSCIENCE,24(4),413-423.
MLA Gao Yang,et al."Characteristics and Numerical Runout Modeling Analysis of the Jiweishan Landslide, Chongqing, China".ENVIRONMENTAL & ENGINEERING GEOSCIENCE 24.4(2018):413-423.
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