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[1]钱德良,李俊才,刘光臣,等.渗流作用下的基坑变形分析[J].南京工业大学学报(自然科学版),2015,37(01):81-87.[doi:10.3969/j.issn.1671-7627.2015.01.015]
 QIAN Deliang,LI Juncai,LIU Guangchen,et al.Deformation analysis on foundation pit excavation based on seepage effect[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2015,37(01):81-87.[doi:10.3969/j.issn.1671-7627.2015.01.015]
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渗流作用下的基坑变形分析()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
37
期数:
2015年01期
页码:
81-87
栏目:
出版日期:
2015-01-19

文章信息/Info

Title:
Deformation analysis on foundation pit excavation based on seepage effect
文章编号:
1671-7627(2015)01-0081-07
作者:
钱德良1李俊才1刘光臣2郭亮3董志高4
1.南京工业大学 交通学院,江苏 南京 210009; 2.南京市浦口新城开发建设指挥部,江苏 南京 210031; 3.南京大学 地球科学与工程学院,江苏 南京 210093; 4.南京南大岩土工程技术有限公司,江苏 南京 210041
Author(s):
QIAN Deliang1LI Juncai1LIU Guangchen2GUO Liang3DONG Zhigao4
1.College of Transportation Science & Engineering,Nanjing Tech University,Nanjing 210009,China; 2.Nanjing Pukou Metro Development and Construction Headquarters,Nanjing 210031,China; 3.School of Earth Science and Engineering,Nanjing University, Nanjing 210093,China; 4.Nanjing Nanda Geotechnical Engineering Co.Ltd.,Nanjing 210041,China
关键词:
基坑工程 地下水 渗流作用 变形规律
Keywords:
foundation pit groundwater seepage effect deformation law
分类号:
TU413.6
DOI:
10.3969/j.issn.1671-7627.2015.01.015
文献标志码:
A
摘要:
以深厚饱和软土地区的南京某基坑工程为例,基于地下水渗流因素对基坑变形数据系统分析,总结其在渗流作用下的变形规律。进一步借助有限元软件Midas/GTS的渗流模块,开展考虑渗流前后的基坑变形模拟分析。研究表明:考虑渗流作用下的地表沉降量较之前增加约22.9%,经分析,该部分除固结沉降外多由渗流诱使地连墙位移所致; 另外,渗流力对地连墙底部作用尤为明显,其位移量较未考虑渗流增大2.9mm,故渗流作用下地连墙底部加固问题应在基坑施工时给予足够的重视。
Abstract:
Take a project located at the deep saturated soft soil area in Nanjing as an example,the pit deformation data were analyzed based on seepage effect and its deformation law was summarized.Then the seepage module of finite software Midas/GTS was used to carry out pit deformation simulation analysis before and after seepage.Study shows that the surface subsidence with seepage considered increases approximately 22.9% compared with that without seepage,which causes mainly by the displacement of seepage wall in addition to the consolidation settlement.; furthermore,seepage force affects obviously on the bottom of ground wall,which causes 2.9 mm more displacement.Therefore,enough importance should be paid to the reinforcement of ground wall bottom with seepage effect in foundation pit construction.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-03-27
基金项目:江苏省普通高校研究生科研创新计划(CXZZ13_0057)
作者简介:钱德良(1987—),男,江苏盐城人,硕士,主要研究方向为基坑地下水渗流; 李俊才(联系人),教授,E-mail:cyf710826@sina.com.
引用本文:钱德良,李俊才,刘光臣,等.渗流作用下的基坑变形分析[J].南京工业大学学报:自然科学版,2015,37(1):81-87..
更新日期/Last Update: 2015-01-20