Overall Design of Variable Width Large-span Continuous Beam in Turnout Area of Hanjiang Bridge for Xiamen-Shenzhen Railway

YAO Jun-sheng; XU Zhi-yan; REN Wei; CHEN Lie

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Journal of Railway Engineering Society ›› 2008, Vol. 25 ›› Issue (2) : 43-46.

Overall Design of Variable Width Large-span Continuous Beam in Turnout Area of Hanjiang Bridge for Xiamen-Shenzhen Railway

YAO Jun-sheng, XU Zhi-yan, REN Wei, CHEN Lie

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Abstract

Research purposes: With the development of passenger dedicated line in our country, it is inevitable to install the turnout on the bridge due to the layout of stations. The researches are done in this paper on the design of the ballast track variable width continuous beam structure in the turnout area of Hanjiang Major Bridge with main spans (48+3*80+48 m)of Xiamen-Shenzhen railway from areas of bridge deck layout, structure style and construction program.

Research results: Through making analyses of large-span variable width continuous beam with finite element method, all indexes meet the standards for bridge and track, so Hanjiang Major Bridge satisfies the demands of station layout, navigation and flood protection. This is the first time for China to install the high-speed gapless turnout on the large-span PC continuous beam bridge, which is a new key breakthrough and innovation in technology for passenger dedicated line in China.

Key words

high-speed railway / turnout area / variable width / continuous beam / overall design

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YAO Jun-sheng, XU Zhi-yan, REN Wei, et al. Overall Design of Variable Width Large-span Continuous Beam in Turnout Area of Hanjiang Bridge for Xiamen-Shenzhen Railway[J]. Journal of Railway Engineering Society, 2008, 25(2): 43-46