| 大跨度连续刚构桥最大双悬臂施工状态的风致内力分析 |
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| 引用本文： | 高峰,李景辉,杨晓燕,杨忠.大跨度连续刚构桥最大双悬臂施工状态的风致内力分析[J].北方交通,2011(2):60-62. |
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| 作者姓名： | 高峰 李景辉 杨晓燕 杨忠 |
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| 作者单位： | 吉林省公路勘测设计院,长春,130021 |
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| 摘 要： | 以主跨为200m的预应力混凝土三跨连续刚构桥为工程背景,通过数值分析,讨论了其动力特性;给出了设计风速范围内、两种不同工况作用下,最大双悬臂施工状态主梁各控制截面的风致内力。
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| 关 键 词： | 刚构桥 最大双悬臂 风致内力 |
Wind Internal Force Analysis of the Maximum Double Cantilever of Long-span Continuous Rigid Frame Bridge during Construction |
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| Authors: | GAO Feng others |
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| Institution: | GAO Feng and others |
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| Abstract: | Taking the prestressed concrete triple-span continuous rigid frame bridge with main span 200m as engineering background,the dynamic characteristics is discussed through numerical analysis;the wind internal force of maximum double cantilever at different sections during construction is given under designed wind speed and two different operation conditions. |
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| Keywords: | Rigid frame bridge Maximum double cantilever Wind internal force |
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