某采用SMW工法桩围护结构的深基坑监测与分析
摘要:介绍了上海地区某采用SMW工法桩围护结构的深基坑监测过程,结合设计与施工工艺对围护结构及周围环境的变形进行了综合分析,包括围护结构深层水平位移、支撑轴力、坑内立柱隆沉、坑外水位的变化、坑周建筑物的沉降特性,结果表明:根据设计方案采取合理的施工工艺,可有效控制围护结构及周围环境的变形在较小的数值范围内,为软土地区采用SMW工法桩作深基坑围护结构的设计积累相应的经验参数,为类似深基坑施工选择合理的开挖工艺提供了参考依据。
Abstract:Introduced monitoring process of deep foundation pit by SMW pile enclosure structure in Shanghai,and combined with the design and construction technology of retaining structure and the surrounding environment of the deformation are analyzed.Including deep horizontal displacement of the enclosure structure,axial force,uplift and settlement of column in pit,changes about waters out of pit,characteristic of settlement about buildings.The results showed that:adopting reasonable technology of construction according to the design scheme can effectively control the deformation of the retaining structure and the surrounding environment in the smaller range of values,for the soft soil region using SMW pile for Deep Foundation Pit enclosure structure design corresponding accumulation of experience for the similar parameters,construction of deep foundation pit excavation technology provides a reasonable choice reference.
中文标题：
某采用SMW工法桩围护结构的深基坑监测与分析
Monitoring and Analysis on One Deep Foundation Pit Used SMW Pile Enclosure Structure
作者：
林立祥
Lin Lixiang
作者简介:林立祥,1979年生,男,江苏姜堰人,大学本科,工程师,主要从事岩土工程设计和安全监测工作。E-mail:llx97003@sina.com
通讯地址：
上海勘测设计研究院, 上海 200434
ShanghaiInvestigation,Design&ResearchInstitute,Shanghai200434,China
中图分类号:TV551.4;TU942
doi:10.3969/j.issn.1007-2993.2013.03.001
出版物：岩土工程技术
收稿日期:2013-03-20
关键词:SMW工法桩,深基坑,型钢支撑,时间效应
Key words:SMW Piles,deep foundation pit,type steels,effects of support time
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