无砟轨道1-80m下承式钢管混凝土拱桥设计

研究目的:1-80m下承式钢管混凝土拱桥,为钢箱梁与钢管混凝土拱组合结构,属于有推力拱桥,该桥式方案在我国铁路上是首次采用,需要研究论证,以保证设计安全合理。研究结果:设计表明该桥结构安全可靠,性能优良,且与周围自然环境交相互映,满足无砟轨道要求。

Design of Ballastless Track 1-80m Bottom Steel Pipe Arch Bridge

Research purposes:1-80 m bottom steel pipe concrete bridge adopts arched composite construction with steel box beam and steel pipe concrete,and belongs to thrust arch bridge.The program of the bridge is the first time to adopt for the railway in China,so it is necessary to do the research and proof for the purpose of making the design safe and rational. Research results:This design indicates that the bridge structure is reliable and capability is good.At the same time,it is consistent with the natural environment and can satisfy the requirement of ballastless track.