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Development Course and Prospect of Steel Railway Bridges in China

FANG Qin-han1,GAO Zong-yu1,LI Jia-wu2(1.China Zhongtie Major Bridge Reconnaissance and Design Institute Ltd,Wuhan 430050,Hubei,China;2.School of Highway,Chang'an University,Xi'an 710064,Shaanxi,China)  
According to the construction background,design details of the typical steel railway bridges at different ages,the development bitter course of steel railway bridge in China was introduced,and some key techniques including high strength material,coupled vibration among bridges and vehicles as well as other difficulties caused by long-span were presented.Finally,it was pointed out that the quality of steel,construction technique,and the mechanical equipments were the main problems in the construction of steel railway bridges.Practice proves that steel railway bridge construction in China has made great achievements.However,it needs more efforts to be a poineer in bridge design in the world.
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