A stress-strain-time function of saturated over-consolidated clay

WANG Chen; PENG Yue

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A stress-strain-time function of saturated over-consolidated clay

更新时间：2026-06-25

- A stress-strain-time function of saturated over-consolidated clay
- Vol. 27, Issue S2, (2006)
- 作者机构：
  
  1. 四川大学水利水电学院,成都,610065
  2. 西南民族大学,成都,610041
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU441
- Online First：16 December 2006，
  
  Published：2006
- 稿件说明：
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WANG Chen, PENG Yue. A stress-strain-time function of saturated over-consolidated clay[J]. 2006, 27(S2).
DOI：

WANG Chen, PENG Yue. A stress-strain-time function of saturated over-consolidated clay[J]. 2006, 27(S2). DOI：

摘要

提出了一个考虑超固结黏土应变软化特性的应力-应变-时间关系，其应变-时间关系采用幂函数，应力-应变关系采用双曲线方程的改进模式。该方程的试验参数引入了脆性指数和超固结比，不仅能模拟应变硬化型应力-应变-时间关系，而且能模拟应变软化型应力-应变-时间关系，是应变硬化型应力-应变-时间方程的推广。并针对常应变率试验结果进行预测，证明了该方程的合理性。

Abstract

A stress-strain-time function of saturated over-consolidated clay is presented; in which a modified hyperbolic function is adopted for stress-strain behavior and a power function for strain-time behavior. Through introducing over-consolidation ratio and brittleness Index

not only strain hardening stress-strain-time behavior

but also strain softening stress-strain-time behavior can be simulated by it; so that it is more universal than strain hardening stress-strain-time function. Through simulation of computed curves by different models and test data of constant strain ratio test

such a generalized function is proved to be reasonable.

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