IGGCAS OpenIR  > 页岩气与地质工程院重点实验室
Characteristics of grain size distribution and the shear strength analysis of Chenjiaba long runout coseismic landslide
Getahun, Ephrem1,2,3,4; Qi Sheng-wen1,2,3; Guo Song-feng1,2,3; Zou Yu1,2,3; Liang Ning1,2,3
2019-09-01
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume16Issue:9Pages:2110-2125
AbstractStudy on the grain size distribution characteristics and the frictional strength behavior of the slide deposits are helpful to disclose the landslide runout process and understand the mechanism of a long runout landslide. We performed grain size distribution analysis on samples collected from Chenjiaba landslide induced by Wenchuan earthquake. The grain size distribution of samples from the landslide sections quantitatively depicts a gradual coarsening upward grading from shear zone to the top section. Then a multistage - multiphase ring shearing approach was used to determine a comparative shear strength behavior of samples from each landslide section. In this method, a sample was sheared continuously for large displacement and fast rate on different normal stress conditions. The multiphase shear mode with a maximum of 105 mm/min rate has allowed observing the qualitative change and patterns of the frictional resistance behaviors of soils under different normal stresses. The results of coefficient of friction values under multiphase shear mode have shown substantial post peak shear weakening behaviors after large shear displacement that can be narrated with long runout processes. The shear strength test results indicate that the shear zone samples have developed higher friction angle values compared to overlying section samples, on the last phase of shear process, which may be very important to understand the braking mechanism of a long runout landslide.
KeywordGrain size distribution Long runout Landslide Multistage-Multiphase Ring Shear
DOI10.1007/s11629-019-5535-3
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program
WOS Keyword2008 WENCHUAN EARTHQUAKE ; SOILS ; INTERFACES ; MOTION ; MODEL
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA23090402] ; National Science Foundation of China[41672307] ; National Science Foundation of China[41790442] ; National Science Foundation of China[41702345] ; CAS-TWAS presidential fellowship program
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program ; CAS-TWAS presidential fellowship program
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000485301000010
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/93601
Collection页岩气与地质工程院重点实验室
Corresponding AuthorQi Sheng-wen
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Arba Minch Univ, Dept Geol, POB 21, Arba Minch 00251, Ethiopia
First Author AffilicationKey Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences;  Institute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Shale Gas and Geoengineering, Institute of Geology and Geophysics, Chinese Academy of Sciences;  Institute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Getahun, Ephrem,Qi Sheng-wen,Guo Song-feng,et al. Characteristics of grain size distribution and the shear strength analysis of Chenjiaba long runout coseismic landslide[J]. JOURNAL OF MOUNTAIN SCIENCE,2019,16(9):2110-2125.
APA Getahun, Ephrem,Qi Sheng-wen,Guo Song-feng,Zou Yu,&Liang Ning.(2019).Characteristics of grain size distribution and the shear strength analysis of Chenjiaba long runout coseismic landslide.JOURNAL OF MOUNTAIN SCIENCE,16(9),2110-2125.
MLA Getahun, Ephrem,et al."Characteristics of grain size distribution and the shear strength analysis of Chenjiaba long runout coseismic landslide".JOURNAL OF MOUNTAIN SCIENCE 16.9(2019):2110-2125.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Getahun, Ephrem]'s Articles
[Qi Sheng-wen]'s Articles
[Guo Song-feng]'s Articles
Baidu academic
Similar articles in Baidu academic
[Getahun, Ephrem]'s Articles
[Qi Sheng-wen]'s Articles
[Guo Song-feng]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Getahun, Ephrem]'s Articles
[Qi Sheng-wen]'s Articles
[Guo Song-feng]'s Articles
Terms of Use
No data!
Social Bookmark/Share
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit Add to Technorati
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.