Real time prediction of land subsidence caused by foundation pit dewatering

ZHANG Yong; ZHAO Yun-yun

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Real time prediction of land subsidence caused by foundation pit dewatering

更新时间：2026-06-25

- Real time prediction of land subsidence caused by foundation pit dewatering
- Vol. 29, Issue 6, (2008)
- 作者机构：
  
  1. 北京科技大学土木与环境工程学院,北京,100083
  2. 河北工程大学资源学院,河北,邯郸,056038
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU470
- Online First：15 July 2013，
  
  Published：2008
- 稿件说明：
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ZHANG Yong, ZHAO Yun-yun. Real time prediction of land subsidence caused by foundation pit dewatering[J]. 2008, 29(6).
DOI：

ZHANG Yong, ZHAO Yun-yun. Real time prediction of land subsidence caused by foundation pit dewatering[J]. 2008, 29(6). DOI：

摘要

由于基坑降水引起周围土体应力的重新调整，造成基坑相邻建筑物地基不均匀沉降，情况严重则造成相邻建筑物破坏，因此对不均匀沉降量的预测具有现实意义。利用地下水动力学的非稳定流原理及土力学基本理论，介绍了基坑降水设计中引起周围地面沉降的实时预测方法，探讨了不同土层在降水过程中孔隙水压力消散对土层固结的影响，通过实例分析了公式中不同参数的取值合理性，编制了相关程序。该方法对分析、预测由于基坑降水所引起的周围地面沉降有一定参考价值。

Abstract

Because foundation pit dewatering causes the readjustment of stresses in soil

it brings uneven settlements and architectural damage of the building around foundation pit; accordingly

real time prediction of land subsidence caused by foundation pit dewatering has the realistic meaning; by using the theory of unsteady well flow and basic theory of soil mechanics

the real time prediction method of land subsidence has been introduced; the rationalities of different parameters in formula have been analyzed via case study; and it has certain meaning to forecast the land subsidence around foundation pit caused by foundation pit dewatering.

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