海棠路下穿陇海铁路立交桥设计

道路下穿铁路的立交桥设计有其特殊的要求。介绍了下穿陇海铁路的连云港市海棠路立交工程。立交桥的框架桥设计采用H型钢组合纵横梁加固线路的方案,满足41.6m宽框架桥四孔一联一次顶进的要求。重点阐述了立交桥横断面、纵断面、排水、U型槽、基坑支护的设计,体现了这类工程的设计特点。

Design of Haitang Rd Interchange Underpassing Longhai Railway

There are special requirements in the design of an interchange with a road underpassing the railway. Introduced hereby is Haitang Rd Interchange in the city of Lianyungang crossing under Longhai Railway. The frame bridge of the interchange is designed using the composite longitudinal and transverse beams of H-formed steel for enhancement to meet the requirement of jacking once for all a 4-cavity section of the 41.6 m wide frame bridge. Stress is laid on the design of the cross and longitudinal sections, drainage, U-shaped slot and support to the foundation pit, reflecting their design features.