| 武九客运专线西南下行联络线特大桥主桥桥式方案比选 |
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| 作者单位： | ;1.中铁第四勘察设计院集团有限公司 |
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| 摘 要： | 武九客运专线西南下行联络线特大桥主桥跨越3条既有铁路线路,桥梁与既有铁路线路夹角仅16°。为了选出主桥最合理的桥式方案,从安全、适用、经济、施工对既有铁路的影响等各方面进行计算及分析对比,比选结果表明,主跨148 m矮塔斜拉桥为本桥的最优桥式方案。
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| 关 键 词： | 铁路桥梁 曲线桥梁 跨越既有线 桥式方案 比选 |
Comparison of Bridge Type for Railway Extra-long Bridge on Wuhan-Jiujiang Passenger Dedicated Railway Line |
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| Institution: | ,China Railway Siyuan Survey and Design Group Co.,Ltd. |
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| Abstract: | Xi'nan down line railway bridge on Wuhan- Jiujiang passenger dedicated railway crosses over three existing railway lines with only 16° between the bridge and the existing railway line.To select the most suitable bridge type,calculation,analysis and comparison are conducted in terms of safety,comfort,economy,and effect of construction on existing railway.The result shows that low-tower cable-stayed bridge with a main span of 148 m is the best selection for the bridge. |
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| Keywords: | Railway bridge Curved bridge Crossing over existing railway Bridge type Comparison and selection |
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