IMHE OpenIR  > 山地灾害与地表过程重点实验室
Experimental Identification on Thresholds for early warning of Rainfall-induced Failure on Fractured Slopes after Giant Earthquake
Yang, Zong-Ji1; Qiao, Jian-Ping1; Huang, Dong1; Uchimura, Taro2; Wang, Lin3
2017
Source PublicationSAINS MALAYSIANA
ISSN0126-6039
Volume46Issue:11Pages:2029-2034
SubtypeArticle
AbstractPrevention and mitigation of rainfall induced geological hazards after the Ms=8 Wenchuan earthquake on May 12th, 2008 were significant for rebuild of earthquake hit regions. After the Wenchuan earthquake, there were tens of thousands of fractured slopes which were broken and loosened by the ground shaking, they were very susceptible to heavy rainfall and change forms into potential debris flows. In order to carry out this disaster reduction and prediction effectively in Longmenshan region, careful real-time monitoring and pre-warning of mountain hazards in both regional and site-specific scales is reasonable as alternatives in Wenchuan earthquake regions. For pre-warning the failure of fractured slopes induced by rainfall, the threshold value or the critical value of the precipitation of hazards should be proposed. However, the identification of critical criterion and parameters to pre-warning is the most difficult issue in mountainous hazards monitoring and pre-warning system especially in the elusive and massive fractured slopes widespread in Wenchuan earthquake regions. In this study, a natural coseismic fractured landslide in the Taziping village, Hongkou County, Dujianyan City, was selected to conduct the field experimental test, in order to identify the threshold parameters and critical criterion of the fractured slopes of Taziping. After the field experimental test, the correlation of rainfall intensity, rainfall duration and accumulative rainfall was investigated. The field experimental test was capable of identifying the threshold factors for failure of rainfall-induced fractured slopes after the giant earthquake.
KeywordFractured slopes giant earthquake rainfall induced threshold factors
DOI10.17576/jsm-2017-4611-02
Indexed BySCI
Language英语
Quartile4区
Funding ProjectNational Natural Science Foundation of China[41771021] ; National Natural Science Foundation of China[41471012] ; Science and Technology Service Network Initiative of Chinese Academy of Science[KFJ-EW-STS-094] ; Science and Technology Service Network Initiative of Chinese Academy of Science[KFJ-STS-ZDTP-015] ; IMHE[SDSQB-2016-01] ; IMHE[SDS-135-1701] ; IMHE[SDS-135-1704]
TOP
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000422854400002
Funding OrganizationNational Natural Science Foundation of China ; Science and Technology Service Network Initiative of Chinese Academy of Science ; IMHE
PublisherUNIV KEBANGSAAN MALAYSIA
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/20860
Collection山地灾害与地表过程重点实验室
Corresponding AuthorYang, Zong-Ji
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Surface Proc, Chengdu 610041, Sichuan, Peoples R China
2.Saitama Univ, Dept Civil & Environm Engn, Saitama, Japan
3.Chuo Kaihatsu Corp, Tokyo, Japan
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding 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
Yang, Zong-Ji,Qiao, Jian-Ping,Huang, Dong,et al. Experimental Identification on Thresholds for early warning of Rainfall-induced Failure on Fractured Slopes after Giant Earthquake[J]. SAINS MALAYSIANA,2017,46(11):2029-2034.
APA Yang, Zong-Ji,Qiao, Jian-Ping,Huang, Dong,Uchimura, Taro,&Wang, Lin.(2017).Experimental Identification on Thresholds for early warning of Rainfall-induced Failure on Fractured Slopes after Giant Earthquake.SAINS MALAYSIANA,46(11),2029-2034.
MLA Yang, Zong-Ji,et al."Experimental Identification on Thresholds for early warning of Rainfall-induced Failure on Fractured Slopes after Giant Earthquake".SAINS MALAYSIANA 46.11(2017):2029-2034.
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