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通过柳南客运专线铁路粟村双线特大桥6×32m连续梁采用满堂支架分次现浇的施工方法,研究了地基基础处理—支架搭设—支架预压—梁体立模—梁体浇筑及养护的总体施工方案,论述多跨度支架现浇连续梁混凝土浇筑前的施工准备,劳动力与机械配置,混凝土搅拌、运输、浇筑资源配置等工序组织安排以及混凝土浇筑总体上遵循由低处向高处,纵桥向顺序从墩顶开始向跨中推进,呈对角式浇筑的分次浇筑施工组织等技术。
Through the construction method of full-scale support and cast-in-place construction of 6 × 32m continuous beam of Sucun double-track super-large bridge on Liunan Passenger Dedicated Railway, the overall construction of foundation treatment-stent erection-stent preloading- Construction plan, the construction of multi-span support cast-in-place continuous beams before pouring concrete construction preparation, labor and mechanical configuration, concrete mixing, transport, pouring resources allocation process organization and arrangement of concrete follow the overall from low to high, In order to advance from the top of the pier to the mid-span, was diagonal pouring construction technology and other sub-pouring.