Bearing capacity calculation approach of composite
subgrade in mining subsidence area

SHENG Ping; YU Guang-yun; LI Hong-bo; WANG Bo-ping

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Bearing capacity calculation approach of composite subgrade in mining subsidence area

更新时间：2026-06-25

- Bearing capacity calculation approach of composite subgrade in mining subsidence area
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  中国矿业大学建筑工程学院,徐州,221008
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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SHENG Ping, YU Guang-yun, LI Hong-bo, et al. Bearing capacity calculation approach of composite subgrade in mining subsidence area[J]. 2006, 27(S1).
DOI：

SHENG Ping, YU Guang-yun, LI Hong-bo, et al. Bearing capacity calculation approach of composite subgrade in mining subsidence area[J]. 2006, 27(S1). DOI：

摘要

受地下开采的剧烈扰动，采煤沉陷区的复合地基工程会发生非常大的下沉和水平位移，常规的承载力计算方法未考虑地表沉陷影响。在研究地表沉陷影响的复合地基承载特性的基础上，建立了考虑地表沉陷影响的复合地基受力模型，并且提出了考虑地表沉陷影响的复合地基承载力计算方法。通过一个采煤沉陷区桥梁复合地基工程实例的计算分析，发现考虑地表沉陷影响后，复合地基承载力有一定程度的下降。

Abstract

Disturbed by underground mining

composite subgrade in mining subsidence area have large subsidence and horizontal displacement; however

normal bearing capacity calculation approach neglects this influence. Based on the research on the subsidence influence on composite subgrade bearing capacity

an analysis model is established; and a bearing capacity calculation approach of composite subgrade considering the subsidence influence is presented. By an engineering case of ground improvement of a railway bridge in mining subsidence area

if the subsidence influence is considered

the bearing capacity of composite subgrade decreases somewhat.

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