长江上的4座公路铁路两用桥

Four double deck bridges for highway and railway over Changjiang River

介绍了我国铁路桥梁发展的技术政策及其核心问题和中国铁路钢桥发展史上起到里程碑作用的4座铁路公路两用桥,即武汉长江大桥、南京长江大桥、九江长江大桥、芜湖长江大桥,它们是实现铁路钢桥技术政策的具体范例。

The technology policy and main problems of the development of railway bridges in China are introduced.The four double deck bridges for highway and railway over Changjiang River,Wuhan Changjiang River Bridge,Nanjing Changjina River Bridge,Jiujiang Changjiang River Bridge and Wuhu Changjiang River Bridge are introduced.The four bridges are the mileposts in the history of the development of railway bridges in China.They shows the realization of the technology policy of steel railway bridge in China.