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Compression characteristics of saturated re-compacted glacial tills in Tianmo Gully of Tibet, China
Chen Lei-lei1,2; Zhou, Gordon G. D.1,2; Mu Qing-yi3; Cui, Kahlil Fredrick E.1,2; Song Dong-ri1,2
Corresponding AuthorZhou, Gordon G. D.(gordon@imde.ac.cn)
2019-07-01
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
Volume16Issue:7Pages:1661-1674
AbstractGlacial tills are highly compressible soils composed of loosely cemented sandy silt particles. Their role, for instance, as initial filler materials in geo-technical projects along temperate glacier regions warrant a systematic evaluation of their compressive characteristics. As such, we carry out a series of one-dimensional compression tests on re-compacted glacial till samples obtained from Tianmo Gully, Tibet, with the aims of evaluating their compressive behavior under controlled initial stress conditions. The yield stress was determined from the void ratio versus consolidation pressure (e-log sigma(v)) planes. Its compression and swelling behaviors were observed during the primary and secondary compressions of the consolidation tests. From the compression curves, a correlation can be found between the consolidation stress and the void index. In addition, we find that the compression curves of glacial tills collapse into a single curve when normalized by the compression index. The experimental results in this study provide a basic understanding of the compression characteristics of the glacial tills in Tibet, China.
KeywordGlacial till Compression characteristics One-dimensional consolidation tests Consolidation stress Compression curve
DOI10.1007/s11629-018-5313-7
Indexed BySCI
WOS KeywordMECHANICAL-PROPERTIES ; DEBRIS FLOWS ; BEHAVIOR ; CLAY ; SOILS ; MODEL
Language英语
Funding ProjectKey Research Program of Frontier Sciences, Chinese Academy of Sciences[QYZDB-SSW-DQC010] ; Youth Innovation Promotion Association, Chinese Academy of Sciences
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000474574600014
Funding OrganizationKey Research Program of Frontier Sciences, Chinese Academy of Sciences ; Youth Innovation Promotion Association, Chinese Academy of Sciences
PublisherSCIENCE PRESS
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/26498
Collection山地灾害与地表过程重点实验室
Corresponding AuthorZhou, Gordon G. D.
Affiliation1.Chinese Acad Sci, Key Lab Mt Hazards & Earth Surface Proc, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Xi An Jiao Tong Univ, Dept Civil Engn, Xian 710049, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Chen Lei-lei,Zhou, Gordon G. D.,Mu Qing-yi,et al. Compression characteristics of saturated re-compacted glacial tills in Tianmo Gully of Tibet, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2019,16(7):1661-1674.
APA Chen Lei-lei,Zhou, Gordon G. D.,Mu Qing-yi,Cui, Kahlil Fredrick E.,&Song Dong-ri.(2019).Compression characteristics of saturated re-compacted glacial tills in Tianmo Gully of Tibet, China.JOURNAL OF MOUNTAIN SCIENCE,16(7),1661-1674.
MLA Chen Lei-lei,et al."Compression characteristics of saturated re-compacted glacial tills in Tianmo Gully of Tibet, China".JOURNAL OF MOUNTAIN SCIENCE 16.7(2019):1661-1674.
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