Identification of soil parameters of extended Cambridge model and its application to Xiaolangdi project

CHEN Li-hong; CHEN Zu-yu

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Identification of soil parameters of extended Cambridge model and its application to Xiaolangdi project

更新时间：2026-06-25

- Identification of soil parameters of extended Cambridge model and its application to Xiaolangdi project
- Vol. 24, Issue 2, (2003)
- 作者机构：
  
  1. 清华大学土木水利工程学院岩土所,北京,100084
  2. 中国水利水电科学研究院,北京,100044
- 作者简介：
- 基金信息：
- DOI：
  CLC： TB115
- Online First：19 August 2014，
  
  Published：2003
- 稿件说明：
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CHEN Li-hong, CHEN Zu-yu. Identification of soil parameters of extended Cambridge model and its application to Xiaolangdi project[J]. 2003, 24(2).
DOI：

CHEN Li-hong, CHEN Zu-yu. Identification of soil parameters of extended Cambridge model and its application to Xiaolangdi project[J]. 2003, 24(2). DOI：

摘要

在有限元计算中合理选取土的本构关系与模型参数，对于计算成果的可靠性是十分重要的。剑桥模型是一个应用广泛的弹塑性模型，其参数一般是通过室内试验来确定的。通过建立扩展剑桥模型在三轴条件下的弹塑性本构关系的表达式，并以此为依据，利用数值模拟常规三轴试验和单向压缩试验过程并利用正反分析技术优化求解剑桥模型参数，在小浪底大坝固结计算的应用中证明了这种方法的合理性与实用性。

Abstract

It is important to identify the soil parameters while using finite elements method. Cambridge model is a widely used soil constitutive model in practice

whose parameters always determined by conventional laboratory test results. The expression of extended Cambridge model under triaxial test is presented. And simulation computer program is developed to figure out the optimum parameters. The application to Xiaolangdi project shows the rationality and practicability of this program.

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