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Hazard assessment comparison of Tazhiping landslide before and after treatment using the finite-volume method
Huang, Dong; Jiang, Yuan Jun; Qiao, Jian Ping; Wang, Meng
Corresponding AuthorYuanjun Jiang
2017
Source PublicationNATURAL HAZARDS AND EARTH SYSTEM SCIENCES
ISSN1561-8633
Volume17Issue:9Pages:1611-1621
SubtypeArticle
Abstract

Through investigation and analysis of geological conditions and mechanical parameters of the Tazihping landslide, finite-volume method coupling with Voellmy model is used to simulate the landslide mass movement process. The present paper adopts the numerical approach of the RAMMS software program and the GIS platform to simulate the mass movement process before and after engineering treatment. This paper also provides the conditions and characteristic variables of flow-type landslide in terms of flow height, velocity, and stresses. The 3-D division of hazard zones before and after engineering treatment was also mapped. The results indicate that the scope of hazard zones decreased after engineering treatment of the landslide. Compared with the case of before engineering treatment, the extent of high-hazard zones was reduced by about two-thirds, and the characteristic variables of the mass movement in the case of after treatment decreased to one-third of those in the case of before treatment. Despite having engineering treatment, the Tazhiping landslide still poses significant potential threat to the nearby residences. Therefore, it suggests that the houses located in high-hazard zones should be relocated or reinforced for protection.

KeywordDebris Flows Travel Distance Model Risk Susceptibility Earthquake Prediction Buildings
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.5194/nhess-17-1611-2017
WOS Subject ExtendedGeology ; Meteorology & Atmospheric Sciences ; Water Resources
Indexed BySCI
WOS KeywordDEBRIS FLOWS ; TRAVEL DISTANCE ; MODEL ; RISK ; SUSCEPTIBILITY ; EARTHQUAKE ; PREDICTION ; BUILDINGS
Language英语
Quartile3区
TOP
WOS SubjectGeosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS IDWOS:000411470300002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/19122
Collection山地灾害与地表过程重点实验室
AffiliationChinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Surface Proc, Chengdu 610041, Sichuan, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Huang, Dong,Jiang, Yuan Jun,Qiao, Jian Ping,et al. Hazard assessment comparison of Tazhiping landslide before and after treatment using the finite-volume method[J]. NATURAL HAZARDS AND EARTH SYSTEM SCIENCES,2017,17(9):1611-1621.
APA Huang, Dong,Jiang, Yuan Jun,Qiao, Jian Ping,&Wang, Meng.(2017).Hazard assessment comparison of Tazhiping landslide before and after treatment using the finite-volume method.NATURAL HAZARDS AND EARTH SYSTEM SCIENCES,17(9),1611-1621.
MLA Huang, Dong,et al."Hazard assessment comparison of Tazhiping landslide before and after treatment using the finite-volume method".NATURAL HAZARDS AND EARTH SYSTEM SCIENCES 17.9(2017):1611-1621.
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