铁路特大桥单箱三室三向预应力箱梁施工技术

The construction technology of mimuro three direction prestressed box girder of single box of railway super large bridge

主要介绍了铁路双线系杆拱大跨度现浇箱梁(主跨56 m、双线铁路桥)的支架、混凝土施工、预应力施工方案,并对方案进行了深入的探讨,从而找出了施工跨路现浇箱梁的最优方案,以指导类似工程的施工。

The support of railway double linear tied arch cast-in-site box girder with large span （main span is 56 m, double line railway bridge）, concrete construction and prestressed construction schemes were introduced mainly, and which was discussed deeply, so as to find out the optimized scheme of construction span mad cast-in-site box girder, and to guide construction of similar engineering.