Ground surface settlement caused by foundation pit excavation and dewatering

Release time:2016-03-30

Journal:CHINA CIVIL ENGINEERINGJOURNAL

Key Words:foundation pit excavation and dewatering; ground surface settlement; stochastic medium theory;

Abstract:以随机介质理论、渗流理论和土体压密理论为基础, 探讨了一种新的基坑开挖及降水引起的地表沉降的计算方法。推导了基坑降水渗降漏斗曲线方程及考虑水的渗流作用的基坑周边土体中有效应力的计算公式, 并由此导出了考虑渗流作用的基坑降水地表沉降计算公式, 再利用叠加原理, 得到最终的由开挖和降水引起的地表沉降分布计算公式。工程实例分析计算结果表明, 距基坑周边 8～10 m 范围以内, 基坑开挖和降水引起。

Co-author:施成华 彭立敏

Indexed by:Unit Twenty Basic Research

Document Code:1000-131X(2006)05-0117-05

Discipline:土木工程

Volume:39

Issue:5

Page Number:117-121

ISSN No.:1000-131X

Translation or Not:no

Date of Publication:2006-05-30

Links to published journals:http://www.cnki.net/KCMS/detail/detail.aspx?QueryID=1&CurRec=2&recid=&filename=TMGC200605018&dbname=CJFD2006&dbcode=CJFQ&pr=&urlid=&yx=&uid=WEEvREcwSlJHSldSdnQ1V040ZzdENzRzYWRpNkczVysvY1JMY0FJZDdxZGF6