Research on coefficient of earth pressure at rest

QIANG Yue; ZHAO Ming-jie; LIN Jun-zhi; CHENG Long-fei; LI Li; HE Ze-ping

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Research on coefficient of earth pressure at rest

更新时间：2026-06-25

- Research on coefficient of earth pressure at rest
- Vol. 34, Issue 3, (2013)
- 作者机构：
  
  1. 重庆三峡学院土木工程学院,重庆,404100
  2. 重庆交通大学河海学院,重庆,400074
  3. 重庆交通大学交通土建工程材料国家地方联合工程实验室,重庆,400074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU432
- Online First：20 March 2013，
  
  Published：2013
- 稿件说明：
移动端阅览
QIANG Yue, ZHAO Ming-jie, LIN Jun-zhi, et al. Research on coefficient of earth pressure at rest[J]. 2013, 34(3).
DOI：

QIANG Yue, ZHAO Ming-jie, LIN Jun-zhi, et al. Research on coefficient of earth pressure at rest[J]. 2013, 34(3). DOI：

摘要

静止土压力系数是岩土工程领域中一个至关重要的参数，是确定水平场地的应力状态和计算静止土压力的基础。但目前对静止土压力系数的研究还不够。对自然堆积而成处于临界状态的砂堆内应力状态进行分析，推导出自然固结土的静止土压力系数的理论表达式，并与砂性土静止土压力系数表达式k0 =0.95-sin?和黏性土静止土压力系数表达式k0 = 1-sin?进行对比，结果表明，推导的静止土压力公式与砂性土常用表达式非常吻合，与黏性土常用表达式存在一定偏差。文中给出的静止土压力系数公式和推导，较为科学合理地阐述了常用静止土压力系数的由来，有效弥补了当前这块研究的空白，为静止土压力系数的室内、现场试验和经验公式的推导提供了理论支撑，起到了一定的推进作用。

Abstract

The coefficient of earth pressure at rest is a critical parameter in the field of geotechnical engineering

which is the foundation of determining the stress state in horizontal site and the calculation of earth pressure at rest. However

at present the study of the coefficient of earth pressure at rest is not enough. The theoretical formula of coefficient of earth pressure at rest of normally consolidated soils is derived from the analysis of the internal stress state of sand prism with natural accumulation stayed in a critical state. Compared with the formula k0 =0.95-sin? (k0 stands for the coefficient of earth pressure at rest

? stands for the inner friction angel of soil; the same as below) proposed for the coefficient of earth pressure at rest on sandy soil and with the formula k0= 1-sin? proposed for the coefficient of earth pressure at rest on clay; the results show that the formula for the coefficient of earth pressure at rest matches very well with the regular formula for sandy soil and has a little bias with the formula proposed for clay. The formula and its derivation of the coefficient of earth pressure at rest in this paper are scientific and reasonable to express its origin

which makes up the blank in this study area

provides the theoretical support and plays a certain role in the promotion of the derivation of the coefficient of earth pressure at rest of indoor

field test and empirical formula.

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