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A possible explanation of the stair-step brittle deformation evolutionary pattern of a rockslide
Xue, Lei1; Qin, Si-Qing1; Pan, Xiao-Hua2,3; Chen, Hong-Ran1; Yang, Bai-Cun1
2017
Source PublicationGEOMATICS NATURAL HAZARDS & RISK
ISSN1947-5705
Volume8Issue:2Pages:1456-1476
SubtypeArticle
AbstractThe focus of the present study is to explain the stair-step brittle deformation evolutionary pattern of the landslide and reveal the corresponding internal physical mechanism. Based on the concept of high strength geological body (HSGB), similar to rock bridges in the intermittence jointed rock masses, a conceptual geological model and the corresponding mechanical model are successively outlined. Through reanalysing typical stair-step displacement records of a wedge rockslide, it was found that the HSGB model can reasonably explain the stair-step deformation feature and reveal its internal essence. Finally, a displacement criterion is derived through combining the two-dimensional renormalization group model with the shear creep constitutive model. By means of this displacement criterion, one can quantitatively describe the displacement ratio between the onset of the accelerating creep and brittle rupture of HSGB. In order to make the reader understand this displacement criterion better, a detailed application process is demonstrated through a case study. To some extent, the present study has shed light on the failure prediction of the HSGB-type landslide, whose stability is mainly controlled by HSGB.
KeywordLandslide Failure Prediction Rock Bridge Displacement Criterion Renormalization Group
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1080/19475705.2017.1345793
Funding OrganizationNational Natural Science Foundation of China(41302233 ; National Natural Science Foundation of China(41302233 ; China Postdoctoral Science Foundation(2015M581942) ; China Postdoctoral Science Foundation(2015M581942) ; 41572311) ; 41572311) ; National Natural Science Foundation of China(41302233 ; National Natural Science Foundation of China(41302233 ; China Postdoctoral Science Foundation(2015M581942) ; China Postdoctoral Science Foundation(2015M581942) ; 41572311) ; 41572311) ; National Natural Science Foundation of China(41302233 ; National Natural Science Foundation of China(41302233 ; China Postdoctoral Science Foundation(2015M581942) ; China Postdoctoral Science Foundation(2015M581942) ; 41572311) ; 41572311) ; National Natural Science Foundation of China(41302233 ; National Natural Science Foundation of China(41302233 ; China Postdoctoral Science Foundation(2015M581942) ; China Postdoctoral Science Foundation(2015M581942) ; 41572311) ; 41572311)
WOS KeywordPOTENTIAL STRAIN INDICATOR ; RENORMALIZATION-GROUP ; FAILURE PREDICTION ; MOVEMENT PATTERNS ; ROCK ; DAMAGE ; SLOPE ; THRESHOLDS ; STRENGTH ; FRACTURE
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(41302233 ; National Natural Science Foundation of China(41302233 ; China Postdoctoral Science Foundation(2015M581942) ; China Postdoctoral Science Foundation(2015M581942) ; 41572311) ; 41572311) ; National Natural Science Foundation of China(41302233 ; National Natural Science Foundation of China(41302233 ; China Postdoctoral Science Foundation(2015M581942) ; China Postdoctoral Science Foundation(2015M581942) ; 41572311) ; 41572311) ; National Natural Science Foundation of China(41302233 ; National Natural Science Foundation of China(41302233 ; China Postdoctoral Science Foundation(2015M581942) ; China Postdoctoral Science Foundation(2015M581942) ; 41572311) ; 41572311) ; National Natural Science Foundation of China(41302233 ; National Natural Science Foundation of China(41302233 ; China Postdoctoral Science Foundation(2015M581942) ; China Postdoctoral Science Foundation(2015M581942) ; 41572311) ; 41572311)
WOS Research AreaGeology ; Meteorology & Atmospheric Sciences ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences ; Water Resources
WOS IDWOS:000418899200075
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/93143
Collection页岩气与地质工程院重点实验室
Corresponding AuthorPan, Xiao-Hua
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing, Peoples R China
2.Zhejiang Univ, Coll Civil Engn & Architecture, Hangzhou, Zhejiang, Peoples R China
3.Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore, Singapore
Recommended Citation
GB/T 7714
Xue, Lei,Qin, Si-Qing,Pan, Xiao-Hua,et al. A possible explanation of the stair-step brittle deformation evolutionary pattern of a rockslide[J]. GEOMATICS NATURAL HAZARDS & RISK,2017,8(2):1456-1476.
APA Xue, Lei,Qin, Si-Qing,Pan, Xiao-Hua,Chen, Hong-Ran,&Yang, Bai-Cun.(2017).A possible explanation of the stair-step brittle deformation evolutionary pattern of a rockslide.GEOMATICS NATURAL HAZARDS & RISK,8(2),1456-1476.
MLA Xue, Lei,et al."A possible explanation of the stair-step brittle deformation evolutionary pattern of a rockslide".GEOMATICS NATURAL HAZARDS & RISK 8.2(2017):1456-1476.
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