下穿铁路框构桥顶进施工技术

Jacking Construction Technology of Frame Bridge Passing through Railway

结合唐廊高速公路唐山段桥顶施工工程实例,介绍了框架桥顶进施工技术。鉴于该框架结构的施工难度和技术的复杂性,论文反复研究和优化了施工方案,并制定了一系列有效措施。采用了多项新技术,顶进施工工作顺利完成。

This paper introduced the construction technology of frame bridge jacking in combination with the example of Tangshan section of Tangshan expressway.In view of the construction difficulty and technical complexity of the frame structure,it had repeatedly studied and optimized the construction scheme and formulated a series of effective measures.A number of new technologies were adopted,and the work of jacking construction was successfully completed.