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新亚大厦深基坑半逆作法施工技术
引用本文:胡兴. 新亚大厦深基坑半逆作法施工技术[J]. 施工技术, 2011, 40(1)
作者姓名:胡兴
作者单位:上海同济工程项目管理咨询有限公司,上海,200092
摘    要:深圳新亚大厦地下室基坑属于大型深基坑,场地周边环境复杂,工程采用中心区域顺作,周边环板逆作的施工方法。地下室围护结构采用两墙合一的地下连续墙,利用裙楼周边地下1层楼面梁板作为深基坑围护体系的水平内顶撑,实现内支撑梁与楼面结构梁的结合。详细介绍了半逆作法施工技术,施工质量控制措施和关键节点处理方法,并对地下连续墙水平位移进行了监测分析。结果表明,整个施工过程安全可控,降低了工程造价。

关 键 词:深基坑  半逆作法  地下连续墙  钢格构柱  连接节点  

Construction Technology of Semi-reversed Construction Method in the Deep Foundation of Xinya Building
Hu Xing. Construction Technology of Semi-reversed Construction Method in the Deep Foundation of Xinya Building[J]. Construction Technology, 2011, 40(1)
Authors:Hu Xing
Affiliation:Hu Xing(Shanghai Tongji Project Management & Consulting Co.,Ltd.,Shanghai 200092,China)
Abstract:Square foundation excavation of Xinya building belongs to large and deep foundation excavation with complex surrounding conditions in Shenzhen.Bottom-up construction method for central part and top-down construction method for peripheral part in Xinya building are adopted.Diaphragm wall is used as exterior-protected,while B1 floor slab of basement is used as deep foundation excavation substituting level bracing system to achieve the combination of support beam and floor structure beam.Semi-reversed construc...
Keywords:deep foundation excavation  semi-reversed construction method  diaphragm wall  steel lattice column  connection joint  
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