102 m系杆拱桥跨铁路站场顶推施工技术

Incremental Launching Technology in Construction of 102 m Bowstring Arch Bridge over the Railway Station

通过石环高速公路东互通立交桥的施工实践,研究总结了长距离、大跨径系杆拱桥、钢筋混凝土箱梁跨密集型铁路站场顶推施工的方案设计和顶推施工及质量控制措施,对同类桥梁的顶推施工具有很好的借鉴作用。

The article,combined with construction practice of the east interchange overpass in Shijiazhuang ring road,researches and summarizes the scheme design of incremental launching technology in construction of long-distance,long-span bowstring arch bridges and reinforced concrete box girders over railway stations of dense railway lines,also some measures of incremental launching construction and quality control.This paper can be reference to incremental launching construction in similar bridges.