2016年11月下 施工技术 第45卷第22期 CONSTRUCTION TECHNOLOGY 115 D0I:10.7672/5j52016220115 老城区复杂管网环境下基坑桩间漏水险 情分析与处理* 李结元,余群舟2,孙博文2 (1.武汉地铁集团有限公司,湖北武汉430030: 2.华中科技大学土木学院工程管理研究所,湖北武汉430074) [摘要]老城区中管网通常复杂密布,基坑施工的不确定因素大大增加,事故预防困难,因此有效的事故处理措施 以及抢险措施尤为重要.以地铁某匝道为例,详细介绍了该基坑漏水事故的险情分析、应急措施和恢复施工方案. 同时,工程监测表明险情处理及时有效.最后,总结了复杂管网环境下基坑漏水的建议. [关键词]基础;桩;漏水;复杂管网;险情分析;险情处理;工程监测 [中图分类号]TU473.2 [文献标识码]A [文章编号]1002-8498(2016)22-0115-04 Emergency Analysis and Treatments of Foundation Pit Leakage in the Circumstance of Complex Pipe Networks in Old City Li Jieyuan' Yu Qunzhou? Sun Bowen2 (1.Wuhan Metro Group Co.Lud.Wuhan Hubei 430030 China: 2.School of Civil Engineering Mechanics Huazhong University of Science Technology Wuhan Hubei 430074 China Abstract:In the old city pipe networks are usually plex which greatly increase the uncertainty of foundation pit engineering and the difficulty of accident prevention.Thus effective accident treatments and emergency measures are particularly important.A ramp in metro was illustrated in this paper to introduce the risk analysis the emergeney measures and the scheme of construction restoration of the leaking accident in foundation pit in detail.Moreover measures were proved to be effective by the engineering monitoring.At the end of the paper suggestions were summarized when foundation pit leaked in the circumstance of plex pipe networks to provide reference for similar projects. Key words:foundation;piles;leakage;plex pipe networks;risk analysis;emergency measur...
老城区复杂管网环境下基坑桩间漏水险情分析与处理.pdf
