Study on seepage field characteristics of foundation pits

LI Chun-zhong; CHEN Guo-xing; FAN You-wei

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Study on seepage field characteristics of foundation pits

更新时间：2026-06-25

- Study on seepage field characteristics of foundation pits
- Vol. 27, Issue S1, (2006)
- 作者机构：
  
  1. 南京工业大学岩土工程研究所,南京,210009
  2. 南京市测绘勘察研究院有限公司,南京,210005
- 作者简介：
- 基金信息：
- DOI：
  CLC： O257.3
- Online First：15 December 2006，
  
  Published：2006
- 稿件说明：
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LI Chun-zhong, CHEN Guo-xing, FAN You-wei. Study on seepage field characteristics of foundation pits[J]. 2006, 27(S1).
DOI：

LI Chun-zhong, CHEN Guo-xing, FAN You-wei. Study on seepage field characteristics of foundation pits[J]. 2006, 27(S1). DOI：

摘要

基于Biot固结理论和Terzaghi有效应力原理，采用有限元法对深基坑工程降水渗流场进行应力场与渗流场耦合的数值模拟。结合南京九华山隧道基坑工程降水实例，分析了基坑降水水位线的形状、流速分布及地表沉降规律；比较了降水井不同布置、井深对基坑渗流场及周围地表沉降的影响，其结果有助于进一步了解地下水与土体相互作用机理，并为基坑工程降水井的设计提供可靠的指导。

Abstract

Based on Biot consolidation theory and Terzaghi effective stress principle

a coupling numerical simulation was done to analyze the seepage field characteristics of foundation pit during the dewatering by FEM. Taking the dewatering practice of Jiuhuashan Tunnel foundation pit engineering for example

the shape of phreatic surface

the distribution of seepage velocity and the settlement of ground are analyzed; and the influences of different distribution and depth of draining wells on the seepage field characteristics and ground settlement are compared. This research redounds to understanding mutual action mechanism between groundwater and soils. It provides credible directions to the draining well design for foundation pit engineering.

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