IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2015  > Vol12 No.6
High-speed ring shear tests to study the motion and acceleration processes of the Yingong landslide
Hu Ming-jian1,2; Pan Hua-li3,4; Zhu Chang-qi1,2; Wang Fa-wu5
Corresponding AuthorPan Hua-li
2015
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume12Issue:6Pages:1534-1541
SubtypeArticle
AbstractIn this paper, the motion and acceleration process, as well as the mechanism of a high speed and long run landslide are investigated by adopting high speed ring shear test and taking the landslide occurred at Yigong River in Bomi, Tibet on April 9, 2000 as the background. According to the motion characteristics of high-speed and long distance motion landside, the mechanism is studied under different conditions such as shear speed, consolidated drained and consolidated undrained status. Results show that high speed shearing process hinders and delays the dissipation of pore pressure, and drives pore water migrating to shear zone slowly. Both of water content and fine particle content at shear zone are obviously higher than those in other layers; and soil liquefaction occurs at shear zone in the saturated consolidated undrained ring shear tests. The effective internal friction angle of the consolidated undrained soil is much lower than that of the consolidated drained soil under ring shearing. The results also indicate that the shearing speed affecting the strength of soil to some extent. The higher the ring shearing speed is, the lower the strength of soil is. This investigation provides a preliminary interpretation of the mechanism of the motion and acceleration process of the Yigong landslide, occurred in Tibet in 2000.
KeywordYigong Landslide Ring Shear Tests Shear Zone Liquefaction Strength
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11629-014-3059-4
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
Language英语
Quartile4区
TOP
WOS SubjectEnvironmental Sciences
WOS IDWOS:000365269200016
Funding OrganizationNational Basic Research Program of China(2012CB026103) ; National Natural Science Foundation of China(41172283 ; 41372313)
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/11054
CollectionJournal of Mountain Science_Journal of Mountain Science-2015_Vol12 No.6
山地灾害与地表过程重点实验室
Affiliation1.State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China
2.Chinese Acad Sci, Inst Rock & Soil Mech, Wuhan 430071, Peoples R China
3.Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Peoples R China
4.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
5.Shimane Univ, Res Ctr Nat Disaster Reduct, Matsue, Shimane 6908504, Japan
Recommended Citation
GB/T 7714
Hu Ming-jian,Pan Hua-li,Zhu Chang-qi,et al. High-speed ring shear tests to study the motion and acceleration processes of the Yingong landslide[J]. JOURNAL OF MOUNTAIN SCIENCE,2015,12(6):1534-1541.
APA Hu Ming-jian,Pan Hua-li,Zhu Chang-qi,&Wang Fa-wu.(2015).High-speed ring shear tests to study the motion and acceleration processes of the Yingong landslide.JOURNAL OF MOUNTAIN SCIENCE,12(6),1534-1541.
MLA Hu Ming-jian,et al."High-speed ring shear tests to study the motion and acceleration processes of the Yingong landslide".JOURNAL OF MOUNTAIN SCIENCE 12.6(2015):1534-1541.
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