| 连续箱梁体外束受力分析 |
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| 引用本文： | 苏金源,王泉清.连续箱梁体外束受力分析[J].广东公路交通,2013(3):15-18. |
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| 作者姓名： | 苏金源 王泉清 |
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| 作者单位： | [1]广东华路交通科技有限公司,广州510420 [2]广东省公路勘察规划设计院股份有限公司,广州510507 |
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| 摘 要： | 某桥梁工程的结构形式为31．5m＋35．5m＋50．5m＋35．0m＋31．5m预应力混凝土连续箱梁，通过结构分析程序对连续箱梁体外束加固前后总体和局部受力进行验算分析，验证该桥加固前后结构受力的安全性和保证桥梁营运阶段结构性能的适用性和耐久性。
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| 关 键 词： | 预应力砼连续箱梁 加固设计 受力分析 |
Stress Analysis of Externally-Prestressed Strand in Continuous Box Girders |
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| SU Jinyuan,WANG Quanqing.Stress Analysis of Externally-Prestressed Strand in Continuous Box Girders[J].Guangdong Highway Communications,2013(3):15-18. |
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| Authors: | SU Jinyuan WANG Quanqing |
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| Institution: | 2 ( 1. Guangdong Hualu Transport Technology Co. , Ltd 2. Guangdong Highway Design Institute Co. Ltd. , Guangzhou 510420 ; Guangzhou 510100) |
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| Abstract: | As for the prestressed continuous box girder with such spans as 31.5 ＋35.5 ＋50.5 ＋35.0 ＋31.5m, Checking analysis on the overall and local stress of the external strand of the continuous box girder before and after strengthening has been conducted with structural analysis programs, to verify the safety and ensure the serviceability and durability of the bridge in operation. |
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| Keywords: | prestressed concrete continuous box girder reinforcement design stress analysis |
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