IMHE OpenIR  > 山地灾害与地表过程重点实验室
Influence of Particle Breakage on Behavior of Coral Sands in Triaxial Tests
Yu Fangwei1,2,3,4
Corresponding AuthorYu, Fangwei(fwyuui@gmail.com)
2019
Source PublicationINTERNATIONAL JOURNAL OF GEOMECHANICS
ISSN1532-3641
EISSN1943-5622
Volume19Issue:12Pages:4019131
SubtypeArticle
Contribution Rank1
AbstractThis paper presents a laboratory experimental investigation of the behavior of coral sands. The investigation incorporated particle breakage to interpret its influence on consolidation and shear behavior, friction and dilatancy behavior, excess friction behavior, and state behavior of precrushed sands as measured by triaxial tests on a coral sand. Particle breakage impaired dilatancy, leading to a more contractive soil. It reduced friction and dilatancy angles, but increased basic friction angles. It also showed a complex influence on excess friction angles, revealing underestimation of the peak-state dilatancy angle by the excess friction angles. Particle breakage resulted in movement of the phase-transformation and peak states toward reduction in deviator stress, mean effective stress, and void ratio in the e-logp ' and q-p ' planes. In the e-logp ' plane, it resulted in translation, rotation, or translation and rotation of the critical-state line. In the q-p ' plane, particle breakage resulted in rotation of the critical-state line, incorporating lower-left movement of the critical states. (c) 2019 American Society of Civil Engineers.
KeywordCritical state Coral sands Dilatancy Friction Particle breakage Triaxial tests
DOI10.1061/(ASCE)GM.1943-5622.0001524
Indexed BySCI
WOS KeywordCRITICAL-STATE ; CONSTITUTIVE MODEL ; SHEAR-STRENGTH ; DRAINED SHEAR ; SILTY SANDS ; STRESS ; DILATANCY ; FINES ; MECHANICS ; STIFFNESS
Language英语
Funding ProjectNational Natural Science Foundation of China[41807268] ; CAS Light of West China Program[Y6R2250250] ; Sichuan Science and Technology Program-China[2018JY0195] ; Youth Innovation Promotion Association CAS-China[2018408] ; China Scholarship Council[2011671035]
WOS Research AreaEngineering
WOS SubjectEngineering, Geological
WOS IDWOS:000490240200012
Funding OrganizationNational Natural Science Foundation of China ; CAS Light of West China Program ; Sichuan Science and Technology Program-China ; Youth Innovation Promotion Association CAS-China ; China Scholarship Council
PublisherASCE-AMER SOC CIVIL ENGINEERS
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Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/31287
Collection山地灾害与地表过程重点实验室
Corresponding AuthorYu Fangwei
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China;
2.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
3.China Pakistan Joint Res Ctr Earth Sci, Islamabad 45320, Pakistan;
4.Univ Tokyo, Dept Civil Engn, Tokyo 1138656, Japan
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Yu Fangwei. Influence of Particle Breakage on Behavior of Coral Sands in Triaxial Tests[J]. INTERNATIONAL JOURNAL OF GEOMECHANICS,2019,19(12):4019131.
APA Yu Fangwei.(2019).Influence of Particle Breakage on Behavior of Coral Sands in Triaxial Tests.INTERNATIONAL JOURNAL OF GEOMECHANICS,19(12),4019131.
MLA Yu Fangwei."Influence of Particle Breakage on Behavior of Coral Sands in Triaxial Tests".INTERNATIONAL JOURNAL OF GEOMECHANICS 19.12(2019):4019131.
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