| 东江特大桥桥墩抗撞计算分析及防撞措施 |
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| 引用本文： | 邵斌,贺立新,宋雷,刘婷.东江特大桥桥墩抗撞计算分析及防撞措施[J].桥梁建设,2011(2). |
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| 作者姓名： | 邵斌 贺立新 宋雷 刘婷 |
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| 作者单位： | 四川省交通运输厅公路规划勘察设计研究院,四川成都,610041 |
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| 摘 要： | 东江特大桥主桥为(95+170+95)m的连续刚构桥,为判断该桥下部构造是否满足规范抗撞要求,对桥墩进行抗撞分析。采用有限元程序MIDAS建立全桥及桥墩模型,通过反复试算,得出主墩、交界墩和引桥桥墩能够承受的最大船撞力横桥向分别为14 MN、5 MN、3 MN,顺桥向分别为10 MN、4 MN3、.5 MN,与国内《公桥规》、《铁桥规》及美国AASHTO 3种规范计算出的设计船撞力进行比较,结果表明各桥墩均能满足国内两规范对桥梁的抗撞要求。为防止船舶直接撞到桥墩,采取设置橡胶块、防撞岛、防撞墙及将交界墩的左、右幅承台连为整体的防撞措施。
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| 关 键 词： | 连续刚构桥 薄壁墩 规范 船撞力 防撞措施 |
Calculation,Analysis and Measures for Collision Resistance of Piers of Dongjiang River Bridge |
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| SHAO Bin,HE Li-xin,SONG Lei,LIU Ting.Calculation,Analysis and Measures for Collision Resistance of Piers of Dongjiang River Bridge[J].Bridge Construction,2011(2). |
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| Authors: | SHAO Bin HE Li-xin SONG Lei LIU Ting |
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| Institution: | SHAO Bin,HE Li-xin,SONG Lei,LIU Ting(Highway Planning,Survey,Design and Research Institute,Departmentof Transport,Sichuan Province,Chengdu 610041,China) |
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| Abstract: | The main bridge of Dongjiang River Bridge is a continuous rigid-frame bridge having span arrangement(95+170+95) m.To identify if the substructure of the bridge can conform to the relevant collision resistance requirements in the codes,the collision resistance of the piers is analyzed.The models of the whole bridge and the piers are established by the finite element program MIDAS,the corresponding calculation has been repeatedly made and it is obtained from the calculation that the maximum ship collision for... |
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| Keywords: | continuous rigid-frame bridge thin-wall pier code ship collision force collision resistance measure |
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