A family of improved yield surfaces and their application in modeling of isotropically over-consolidated clays

被引：39

作者：

Chen, Y. N. ^{[1
,2
]}

Yang, Z. X. ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Civil Engn, Hangzhou 310058, Zhejiang, Peoples R China

[2] Northwestern Univ, Evanston, IL 60208 USA

来源：

COMPUTERS AND GEOTECHNICS | 2017年 / 90卷

关键词：

Novel yield surfaces; Over-consolidated clay; Bounding surface; Isotropic consolidation; Constitutive relations; 2-SURFACE PLASTICITY MODEL; CONSTITUTIVE MODEL; BREAKAGE MECHANICS; UNSATURATED SOILS; HARDENING MODEL; PART II; BEHAVIOR; FRAMEWORK; DEFORMATION;

D O I：

10.1016/j.compgeo.2017.06.007

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Recognizing the limitation of the existing yield surfaces for clays, a novel type of the yield surface is derived. The shape parameters allow for the distortion of the yield surface from an ellipse to a teardrop shape such that it provides more flexibility for better modeling the shear response for over-consolidated clays. A new bounding surface model has been proposed within a critical state framework, and can predict the realistic behavior of over-consolidated clays under both undrained and drained conditions. The capacity of the model is demonstrated by five different reconstituted clays with representative testing results in the literature. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：133 / 143

页数：11

共 26 条

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