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Concrete Trestle and Support Combined Excavation Technology for Deep Foundation Pit
Author(s): 
Pages: 226-228
Year: Issue:  3
Journal: Building Construction

Keyword:  深大基坑围护形式栈桥支撑开挖施工;
Abstract: 天津双子塔项目属于深大基坑,采用“二墙合一”地下连续墙结合混凝土支撑的围护形式.根据工程支撑的特点与现场实际情况,采用了栈桥出土与混凝土支撑相结合的基坑开挖措施,应用结果表明,该方案在保证基坑开挖过程安全的前提下,加快了基坑开挖出土的效率,达到了安全和工期目标.
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