| 跨既有铁路某桥的结构优化设计 |
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| 引用本文： | 尧云涛.跨既有铁路某桥的结构优化设计[J].江苏建筑,2011(4):32-33,40. |
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| 作者姓名： | 尧云涛 |
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| 作者单位： | 中铁二院华东勘察设计有限责任公司,浙江杭州,310004 |
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| 摘 要： | 对某座跨既有电气化铁路的桥梁进行了设计方案比选和结构优化,提出了通过设置中横梁剪力键改善上部结构整体性的优化设计方案。理论分析表明,中横梁剪力键的设置能有效改善活载内力在各梁之间的分配,从而达到优化上部结构受力的目的。
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| 关 键 词： | 跨线桥 中横梁 剪力键 |
Optimum Structure Design of a Bridge over the Existing Railway |
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| YAO Yun-tao.Optimum Structure Design of a Bridge over the Existing Railway[J].Jiangsu Construction,2011(4):32-33,40. |
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| Authors: | YAO Yun-tao |
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| Affiliation: | YAO Yun-tao(CREEC East China Survey and Design Co.,Ltd,Hangzhou Zhejiang 310004 China) |
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| Abstract: | One bridge over the existing electrified railway is optimized in construction.In order to strengthen the integration of the superstructure,shear keys are designed on the cross beam.The analysis presents that the shear keys can play the role of improving s |
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| Keywords: | dry bridge cross beam shear key |
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