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作者:

Wang, Qiusheng (Wang, Qiusheng.) (学者:王秋生) | Du, Xiuli (Du, Xiuli.) (学者:杜修力) | Gong, Qiuming (Gong, Qiuming.) (学者:龚秋明)

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摘要:

Theoretical formulas for predicting the undrained shear strength of K-0 consolidated soft clays under the stress path related to triaxial and plane strain tests are presented within the framework of critical state soil mechanics. An inclined elliptical yield surface is adopted to take account of the initial anisotropic stress state. The undrained strength is determined by combining the undrained stress path in the volumetric stress-strain space and the initial yield surface in the deviator-mean stress space. The derived mathematical expressions are functions of the critical state frictional angle, the plastic volumetric strain ratio and the overconsolidation ratio, which can be simplified into the solutions for isotropically consolidated clays under triaxial tests or under plane strain tests. The results calculated by using the theoretical formulas obtained in this paper are in good agreement with the available collected test results. It indicates that these new formulas are applicable to triaxial and plane strain tests on normally and lightly to moderately overconsolidated soft clays.

关键词:

plane strain test anisotropy triaxial test critical state Undrained shear strength soft clays

作者机构:

  • [ 1 ] [Wang, Qiusheng]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Du, Xiuli]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 3 ] [Gong, Qiuming]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China

通讯作者信息:

  • 王秋生

    [Wang, Qiusheng]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China

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来源 :

INTERNATIONAL JOURNAL OF APPLIED MECHANICS

ISSN: 1758-8251

年份: 2014

期: 3

卷: 6

3 . 5 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:176

JCR分区:2

中科院分区:3

被引次数:

WoS核心集被引频次: 5

SCOPUS被引频次: 13

ESI高被引论文在榜: 0 展开所有

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