Experimental research on creep property of clay

LI Jian-zhong; PENG Fang-le

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Experimental research on creep property of clay

更新时间：2026-06-25

- Experimental research on creep property of clay
- Vol. 27, Issue 2, (2006)
- 作者机构：
  
  1. 中南大学地学与环境工程学院,长沙,410083
  2. 同济大学地下建筑与工程系,上海,200092
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU433
- Online First：25 October 2013，
  
  Published：2006
- 稿件说明：
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LI Jian-zhong, PENG Fang-le. Experimental research on creep property of clay[J]. 2006, 27(2).
DOI：

LI Jian-zhong, PENG Fang-le. Experimental research on creep property of clay[J]. 2006, 27(2). DOI：

摘要

研究了黏土的未扰动和重塑土样在三轴排水剪切试验条件下的蠕变特性。既进行了初始加载过程中的蠕变试验，也做了卸载与重复加载过程中的蠕变试验。试验结果表明：(1) 在初始加载过程中，经过一定时间蠕变后黏土的强度有很大的提高；(2) 在卸载过程中，随应力值下降黏土的蠕变表现出由正蠕变、中性蠕变到负蠕变的逐渐转化；(3) 在重复加载过程中，随应力值增加黏土的蠕变表现出由负蠕变、中性蠕变到正蠕变的逐渐转化。

Abstract

Creep property of undisturbed and reconstituted Japanese clay was presented based on drained triaxial compression tests. Creep tests were performed several times during monotonic primary loading

unloading and reloading. Test results show that: (1) the amount of creep deformation during monotonic primary loading depends on strain rate before creep

creep stress level

and creep time; (2) during monotonic primary loading

the stiffness increasing magnificently shortly after creep; (3) the direction of creep will change from positive creep; to neutral creep and negative creep during unloading

while during reloading

it will change from negative

to neutral and positive creep.

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