IMECH-IR  > 流固耦合系统力学重点实验室
Modeling of inherent anisotropic behavior of partially saturated clayey rocks
Hu DW; Zhou H; Zhang F; Shao JF; Zhang JF(张均锋); Zhou, H (reprint author), Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China.
Source PublicationCOMPUTERS AND GEOTECHNICS
2013-03
Volume48Pages:29-40
ISSN0266-352X
AbstractClayey rocks are frequently chosen as a geological barrier material for underground repositories. The inherent anisotropic mechanical behavior and the evolution of mechanical behavior with water content are two crucial material properties for the safety analysis of these structures. The present paper focuses on numerical modeling of the inherent anisotropy and the effect of water content, as well as the interactions of these properties in partially saturated clayey rocks with preferably oriented bedding planes. A discrete thermodynamic approach is adopted for describing the inherent anisotropic mechanical behavior, and the anisotropy of the elastic parameters, plastic evolution and damage evolution are considered. Capillary pressure is introduced to describe the effect of the water content with the help of the effective stress concept, and a procedure for the identification of the model parameters is presented. Finally, the proposed model is applied to a study of triaxial compression tests of argillite with different orientations of the bedding planes and variable water content. In summary, the main features of the studied material are well reproduced by the model.
KeywordInherent Anisotropy Unsaturated Discrete Approach Clayey Rocks
Subject Area岩体力学和土力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000315064700004
Funding OrganizationNational Natural Science Foundation of China [51009132, 50979104, 10972221, 10672167]; French ANR Project MELANI
DepartmentLMFS冲击与耦合效应(LHO)
Classification二类/Q1
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47105
Collection流固耦合系统力学重点实验室
Corresponding AuthorZhou, H (reprint author), Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Peoples R China.
Recommended Citation
GB/T 7714
Hu DW,Zhou H,Zhang F,et al. Modeling of inherent anisotropic behavior of partially saturated clayey rocks[J]. COMPUTERS AND GEOTECHNICS,2013,48:29-40.
APA Hu DW,Zhou H,Zhang F,Shao JF,Zhang JF,&Zhou, H .(2013).Modeling of inherent anisotropic behavior of partially saturated clayey rocks.COMPUTERS AND GEOTECHNICS,48,29-40.
MLA Hu DW,et al."Modeling of inherent anisotropic behavior of partially saturated clayey rocks".COMPUTERS AND GEOTECHNICS 48(2013):29-40.
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