龙岩市龙岩大道高架桥工程跨铁路主桥方案研究

龙岩大道是贯穿龙岩市南北的一条城市主干道,工程建设对于疏散龙岩中心城市的对外交通,实现龙岩城市均衡发展具有极其重要作用。龙岩大道跨越两条并行铁路,与两条铁路相交角度较小,相交范围长度约120 m,铁路两侧为居民住宅。综合考虑总体规划、交通功能、技术难度、建筑造型及建设投资等条件,对跨铁路主桥方案进行研究和论证,分别进行了多个桥型方案及跨径布置的比选,最终推荐125 m+85 m+40 m钢-混混合梁独塔单索面斜拉桥方案。

Research of main bridge's project of high bridges crossing railway in Longyan road Longran city

Longyan Road is the main urban road which goes through the south and north of Longyan city.The project is important to relieve traffic of central city and balance development of the city.Longyan Road crosses two paralleled railways The intersectional angle is small and the intersectional scope is about 120m between Longyan Road and the two railways.The general plan,traffic functions, technical risk,architectural feature and construction investment were considered comprehensively.The main bridge's project cr...