南京长江四桥南主墩超大双壁钢套箱施工  

CONSTRUCTION TECHNIQUE FOR SUPER-LARGE DOUBLE-WALL STEEL SLIP JACKET OF SOUTH MAIN PIER OF NANJING YANGTZE RIVER NO.4 BRIDGE

作　　者：许垒 雷欢 

机构地区：[1]中交第二航务工程局第四工程有限公司,南京210033 [2]中铁武汉大桥工程咨询监理有限公司,南京210033

出　　处：《建筑技术》2014年第5期430-432,共3页Architecture Technology

摘　　要：南京长江四桥采用双薄壁钢套箱现场组拼及整体吊装技术,南主墩钻孔桩施工提前完成,前期采用组拼壁体的浮式平台,随工程进展转换为固定平台,有效保证了施工进度和钢套箱拼装质量。经实践证明,现场组拼、整体吊装方案安全可行。Nanjing Yangtze River No.4 Bridge adopts thin double-wall steel slip jacket held assembly anu integral lifting construction techniques. The bored pile construction of the south main pier is completed in advance and the floating platform which is used for wall assembly at the early period is changed into fixed platform to effectively ensure the construction schedule and steel slip jacket assembly quality. It is proved that filed assembly and integral lifting schemes are safe and feasible.

关 键 词：钢套箱 现场组拼 整体吊装 固定平台 

分 类 号：TU753.6[建筑科学—建筑技术科学]