Combination of Modified Cam-clay Model and Lade-Duncan Yield Criterion

Yang Xue-qiang; Zhang Jian-long; Liu Yong-jian

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Combination of Modified Cam-clay Model and Lade-Duncan Yield Criterion

更新时间：2026-05-27

- Combination of Modified Cam-clay Model and Lade-Duncan Yield Criterion
- Vol. 25, Issue 3, Pages: 90-94(2008)
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- Online First：01 July 2008，
  
  Published：2008
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杨雪强, 张建龙, 刘勇健. 修正Cam模型与Lade-Duncan屈服准则的合理耦合[J]. 广东工业大学学报, 2008, 25(3): 90-94.

Yang Xue-qiang, Zhang Jian-long, Liu Yong-jian. Combination of Modified Cam-clay Model and Lade-Duncan Yield Criterion[J]. 2008, 25(3): 90-94.
杨雪强, 张建龙, 刘勇健. 修正Cam模型与Lade-Duncan屈服准则的合理耦合[J]. 广东工业大学学报, 2008, 25(3): 90-94. DOI：

Yang Xue-qiang, Zhang Jian-long, Liu Yong-jian. Combination of Modified Cam-clay Model and Lade-Duncan Yield Criterion[J]. 2008, 25(3): 90-94. DOI：

摘要

修正Cam模型成功地柔合进了临界状态概念

是描述正常固结土体应力与变形关系特性最为主要和奠基性的模型

也是其它土体弹塑性模型发展的基础.修正Cam模型在π平面上的投影是一个圆

这不符合众多岩土类材料在π平面上的屈服和破坏轨迹的实验事实;而在三维应力状态下

Lade-Duncan破坏准则能对岩土类材料在π平面上的强度与摩擦特性给出合理的描述.基于这种认识

提出了Lade-Duncan破坏准则与修正Cam模型相结合的模型(Cam-Lade模型)

并通过实验资料

验证了该模型的合理性.

Abstract

Modified Cam-clay model in which the critical state concept is applied successfully

is the most important constitutive model to describe stress and strain relationship of soil mass

and it also is a foundation for developing a more advanced constitutive model.The projection of the modified Cam-clay model on plane is a circle

which does not agree with experimental observation of yield and failure traces of geomaterials on π plane.In three dimensional stress states

it is well known that Lade-Duncan...

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references

杨雪强,朱志政,何世秀. 对Lade-Duncan,Matsuoka-Nakai和Ottosen等破坏准则的认识[J]. 岩土工程学报. 2006(03)

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