铁路矮塔斜拉桥单箱多室截面横向受力研究

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Abstract Research purposes: The main bridge of Ziya River bridge in Jinbao Railway was chosen as low － pylon cable － stayed bridge，whose span is 32． 7 m + 56 m + 84 m，with box section by one box and four rooms． The bridge has the most widest deck width of 23 m in China ＇s railway cable － stayed bridge，The transverse force performance is very necessary to be researched．

Research conclusions: The shape and number of the transverse prestressing tendons were determined by the analysis． The prestressing tendons was bended with small angle because of temperature loads． Tensile press will appear in the construction process with temperature loads，so take measures to avoid direct sunshine load in Construction stage is essential． A reasonable design idea was proposed to the calculation and analysis of the transverse force of single box and multiple rooms structure for bridge of railway．

Key words： low － pylon cable － stayed bridge single box and multiple rooms transverse analysis transverse frame method

Received: 13 February 2012

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Cite this article:

ZHANG Tong － fei. Research on the Transverse Force of Railway Low － pylon Cable － stayed Bridge with Section by Single Box and Multi － cell[J]. 铁道工程学报, 2012, 29(4): 51-57.

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http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2012/V29/I4/51

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