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Centrifuge Modelling and Analysis of Ground Reaction of High-speed Railway Embankments over Medium Compressibility Ground
Zhang, Chong-lei1; Jiang, Guan-lu2; Liu, Xian-feng3; Su, Li-jun1,4,5
Corresponding AuthorSu, Li-jun(sulijun1976@163.com)
2018
Source PublicationKSCE JOURNAL OF CIVIL ENGINEERING
ISSN1226-7988
EISSN1976-3808
Volume22Issue:12Pages:4826-4840
SubtypeArticle
AbstractThe objective of this study is to verify the feasibility of using centrifugal model tests to characterize the ground reaction response of a high-speed railway embankment to predict its ground settlement. To do so, a series of Centrifugal Model Tests (CMTs) of the embankment were performed to investigate the variation of ground reaction and corresponding derived modulus at different embankment ratios. The ground reaction determined from the CMTs was compared with those obtained from corresponding full-scale field tests of instrumented embankment. The results show that the ground reaction at the embankment centreline gradually approaches the embankment weight (gamma H) with increasing embankment ratio. Considering the embankment filling process with different embankment ratios, it seems inappropriate to employ the value of gamma H as the ground reaction without any correction in settlement prediction. Finally, the predictive capability of the proposed approach for embankment settlement estimation was assessed against the corresponding field measurements and those determined based on the calculation methods suggested in the current design standard in China. The results show that the proposed simple approach satisfactorily estimates the ground settlement of HSR embankments and its deviation of predicted settlements is below 11.9% compared with the data obtained from the field full-scale tests. However, the deviation of the result calculated by the current recommend design standard is 17.7%-148.3%.
Keywordhigh-speed railway ground reaction additional ground stress settlement centrifugal model test
DOI10.1007/s12205-017-0510-4
Indexed BySCI
WOS KeywordREINFORCED EMBANKMENTS ; SUPPORTED EMBANKMENTS ; NUMERICAL-ANALYSIS ; SOILS ; PERFORMANCE ; CLAY
Language英语
Quartile4区
Funding ProjectNational Natural Science Foundation of China[41761144077] ; National Natural Science Foundation of China[41790432] ; CAS Light of West China Program[Y6R2240240] ; Key Research Program of Frontier Sciences ; Chinese Academy of Sciences (CAS)[QYZDB-SSW-DQC010]
TOP
WOS Research AreaEngineering
WOS SubjectEngineering, Civil
WOS IDWOS:000452030700012
Funding OrganizationNational Natural Science Foundation of China ; CAS Light of West China Program ; Key Research Program of Frontier Sciences ; Chinese Academy of Sciences (CAS)
PublisherKOREAN SOCIETY OF CIVIL ENGINEERS-KSCE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/24300
Collection山地灾害与地表过程重点实验室
Corresponding AuthorSu, Li-jun
Affiliation1.Chinese Acad Sci, Key Lab Mt Hazards & Earth Surface Proc, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
2.Southwest Jiaotong Univ, Key Lab High Speed Railway Engn, Minist Educ, Sch Civil Engn, Chengdu 610031, Sichuan, Peoples R China
3.Univ Newcastle, Prior Res Ctr Geotech & Mat Modelling, Fac Engn & Built Environm, Callaghan, NSW, Australia
4.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Chong-lei,Jiang, Guan-lu,Liu, Xian-feng,et al. Centrifuge Modelling and Analysis of Ground Reaction of High-speed Railway Embankments over Medium Compressibility Ground[J]. KSCE JOURNAL OF CIVIL ENGINEERING,2018,22(12):4826-4840.
APA Zhang, Chong-lei,Jiang, Guan-lu,Liu, Xian-feng,&Su, Li-jun.(2018).Centrifuge Modelling and Analysis of Ground Reaction of High-speed Railway Embankments over Medium Compressibility Ground.KSCE JOURNAL OF CIVIL ENGINEERING,22(12),4826-4840.
MLA Zhang, Chong-lei,et al."Centrifuge Modelling and Analysis of Ground Reaction of High-speed Railway Embankments over Medium Compressibility Ground".KSCE JOURNAL OF CIVIL ENGINEERING 22.12(2018):4826-4840.
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