南通市九圩港提水泵站工程深基坑开挖及降水施工分析与探讨

Analysis and discussion on deep foundation pit excavation and dewatering construction of Jiuweigang pumping station project in Nantong

本文从南通市九圩港提水泵站工程主体深基坑的开挖及降水设计与施工、对周边建筑物产生的影响、采取的措施等方面进行了较为详细的阐述。特别是对深基坑开挖截渗墙设计方案的比较、基坑开挖及降水过程中出现问题后采取的应对措施等方面进行了阐述。并对深基坑施工的整个过程作了总结与思考,对类似深基坑的施工有一定的借鉴意义。

Deep foundation pit excavation and dewatering design and construction,effects on the surrounding buildings,measures of the main part of Nantong Jiuxugang pumping station project are expounded in details. In particular the comparison of the design scheme of the cutoff wall for deep foundation pit excavation and the measures taken after the problem occurred in foundation pit excavation and dewatering are expounded. Summary and thinking for the whole process of deep foundation pit construction is made,which provide certain reference for similar construction of deep foundation pit.