| 浅析大跨径预应力混凝土箱梁桥底板开孔的受力性能 |
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| 引用本文： | 朱静秋.浅析大跨径预应力混凝土箱梁桥底板开孔的受力性能[J].城市道桥与防洪,2012(4):58-60,272. |
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| 作者姓名： | 朱静秋 |
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| 作者单位： | 深圳市市政设计研究院有限公司,广东深圳,518029 |
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| 摘 要： | 该文介绍了某三跨(47 m+75 m+47 m)变截面连续刚构桥在张拉底板合龙钢束过程中底板混凝土开裂、脱落的过程。通过大量的有限元分析,论述了底板开孔对底板受力性能的影响。
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| 关 键 词： | 变截面 连续刚构 底板开裂 底板开孔 |
Elementary Analysis on Stress Performance of Bedplate Holing of Long-span Prestressed Concrete Box Girder Bridge |
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| Zhu Jingqiu.Elementary Analysis on Stress Performance of Bedplate Holing of Long-span Prestressed Concrete Box Girder Bridge[J].Urban Roads Bridges & Flood Control,2012(4):58-60,272. |
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| Authors: | Zhu Jingqiu |
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| Institution: | Zhu Jingqiu |
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| Abstract: | The article introduces the processes of bedplate concrete cracking and falling of a three-span(47m+75m+47m) non-uniform continuous rigid-frame bridge in the course of closing the steel reinforcement of tensioning bedplate,and discusses the influence of bedplate holing on the stress performance of bedplate by a large of finite element analysis. |
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| Keywords: | non-uniform continuous rigid frame bedplate cracking bedplate holing |
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