Analysis of bearing capacity of cohesive soil subgrade considering
soil strength increasing

YAN Shu-wang; LI Jia; LIN Shu; SUN Li-qiang

doi:10.16285/j.rsm.2016.S2.079

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Analysis of bearing capacity of cohesive soil subgrade considering soil strength increasing

更新时间：2026-06-25

- Analysis of bearing capacity of cohesive soil subgrade considering soil strength increasing
- Vol. 37, Issue S2, Pages: 629-634(2016)
- 作者机构：
  
  1. 天津大学水利工程仿真与安全国家重点实验室,天津,300072
  2. 天津大学建筑工程学院,天津,300072
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2016.S2.079
  CLC： TU443
- Online First：09 June 2018，
  
  Published：2016
- 稿件说明：
移动端阅览
YAN Shu-wang, LI Jia, LIN Shu, et al. Analysis of bearing capacity of cohesive soil subgrade considering soil strength increasing[J]. 2016, 37(S2): 629-634.
DOI：

YAN Shu-wang, LI Jia, LIN Shu, et al. Analysis of bearing capacity of cohesive soil subgrade considering soil strength increasing[J]. 2016, 37(S2): 629-634. DOI： 10.16285/j.rsm.2016.S2.079.

摘要

近些年国内进行了多处的人工堆山工程，其特点是堆载分层施加、荷载分布面积大、施工期较长且总荷载非常大，常规地基处理不能满足堆山荷载对地基承载力的要求。结合堆山工程逐级施加的堆土荷载之间通常有较长时间间隔的特点，认为地基可在分级堆填间歇时间内发生一定程度固结有效应力提高，导致土体强度增加，因此地基承载力也产生相应的提高，利用固结引起土体强度增长导致的承载力提高是堆山工程成功的关键。应用有效应力法分析了土体固结引起强度增长的机制和计算，提出不排水条件下考虑土体强度增长的地基承载力分析方法，运用该理论对比分析了两个人工堆山工程案例，对堆山工程提出建议可供类似工程参考。

Abstract

In recent years

many piled mountains were built up; the characteristics of piled mountains are that the loads are staged applied; the construction period is long

and total load is huge. Ground bearing capacity frequently cannot be satisfied by conducting common ground treatments. Considering the time interval between staged applied loads is usually long

consolidation occurred and the effective stress increase in this period; thus the strength of soil increases and ground bearing capacity increases correspondingly. Utilizing the increase of bearing capacity caused by the increase of soil strength is the key factor for the success of piled mountain. The increase of soil strength caused by consolidation is analyzed by effective consolidation stress method; a ground bearing capacity analysis method considering the increase of soil strength is proposed; and two piled mountain cases are analyzed by this method. Finally

some suggestions are offered for similar engineering.

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