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Estimating the properties of weathered bedrock and pilerock interaction from the geological strength index
Zhou Chun-mei1; Shao Wei2; Yin Kun-long3; Yang Zong-ji4
2018-08-01
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume15Issue:8Pages:1757-1776
Contribution Rank4
AbstractThe effect of variable rock mass properties on pile-rock interaction poses a great challenge to the design of stabilizing piles and numerical analysis of pile-rock interaction. The paper presents a novel method to estimate the properties of weathered bedrock, which can be applied to routine design of landslide-stabilizing piles for collivial landslides. The Ercengyan landslide located in the Three Gorges Reservoir, China, is the area of interest for this study. A geological investigation and triaxial tests were conducted to estimate the basic parameters, including Geological Strength Index (GSI), uniaxial compressive strength sigma(ci) and Hoek-Brown constant m (i) of intact bedrock in the study area. Hoek-Brown criterion was used to estimate mechanical properties of the weathered rock, including elastic modulus E (m) , cohesion c, friction angle I broken vertical bar, and normal ultimate lateral resistance p (max) . A parametric study was performed to evaluate the effect of parameterizations of GSI, sigma(ci) and m (i) on the bedrock properties and p-y curves. The estimated rock mass properties were used with PLAXIS 2D software to simulate pile-rock interaction. Effect of GSI on stress at the pile-rock interface and in the rock, pile bending moment, pile shear force, and p-y curve were analysed.
KeywordLandslide Stabilizing pile Weathered rock Pile-rock interaction Geological strength index
DOI10.1007/s11629-017-4576-8
Indexed BySCI
WOS KeywordJOINTED ROCK MASSES ; 3 GORGES RESERVOIR ; STABILIZING PILES ; DEFORMATION MODULUS ; NONLINEAR-ANALYSIS ; SLOPE STABILITY ; GSI SYSTEM ; LANDSLIDES ; BEHAVIOR ; DESIGN
Language英语
Funding ProjectNational Natural Science Foundation of China[41002112] ; Key teaching construction projects of Wuhan Institution of Technology[J201403] ; Chinese Postdoctoral Science Foundation[2017M621783] ; Chinese Postdoctoral Science Foundation[2018T110527] ; International Postdoctoral Exchange Fellowship Program by China Postdoctoral Council ; Startup Foundation for Introducing Talent of NUIST[2017r045]
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000442239600011
Funding OrganizationNational Natural Science Foundation of China ; Key teaching construction projects of Wuhan Institution of Technology ; Chinese Postdoctoral Science Foundation ; International Postdoctoral Exchange Fellowship Program by China Postdoctoral Council ; Startup Foundation for Introducing Talent of NUIST
PublisherSCIENCE PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/23771
Collection山地灾害与地表过程重点实验室
Corresponding AuthorShao Wei
Affiliation1.Wuhan Inst Technol, Sch Civil Engn & Architecture, Wuhan 430073, Peoples R China
2.Nanjing Univ Informat Sci & Technol, Sch Hydrol & Water Resources, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Key Lab Meteorol Disaster,Minist Educ,Joint Int R, Nanjing 210044, Jiangsu, Peoples R China
3.China Univ Geosci, Fac Engn, Wuhan 430074, Peoples R China
4.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Surface Proc, Chengdu 610041, Peoples R China
Recommended Citation
GB/T 7714
Zhou Chun-mei,Shao Wei,Yin Kun-long,et al. Estimating the properties of weathered bedrock and pilerock interaction from the geological strength index[J]. JOURNAL OF MOUNTAIN SCIENCE,2018,15(8):1757-1776.
APA Zhou Chun-mei,Shao Wei,Yin Kun-long,&Yang Zong-ji.(2018).Estimating the properties of weathered bedrock and pilerock interaction from the geological strength index.JOURNAL OF MOUNTAIN SCIENCE,15(8),1757-1776.
MLA Zhou Chun-mei,et al."Estimating the properties of weathered bedrock and pilerock interaction from the geological strength index".JOURNAL OF MOUNTAIN SCIENCE 15.8(2018):1757-1776.
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