| 某预应力混凝土连续箱梁桥维修加固与施工监测 |
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| 引用本文： | 虞建成,龚科,陶维.某预应力混凝土连续箱梁桥维修加固与施工监测[J].施工技术,2007,36(3):82-83. |
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| 作者姓名： | 虞建成 龚科 陶维 |
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| 作者单位： | 1. 东南大学建筑设计研究院,江苏,南京,210096
2. 江苏广靖锡澄高速公路有限责任公司,江苏,无锡,214000 |
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| 摘 要： | 一座预应力混凝土连续箱梁桥在受损后,梁体上产生了大量裂缝,同时经荷载试验检测,主梁刚度明显降低,结构承载能力不能满足原设计要求。本文介绍了该桥的加固设计与施工监测情况,通过维修加固,桥梁恢复了原设计的承载能力,经过一段时期的运营,桥梁无新的病害发生。
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| 关 键 词： | 预应力混凝土 连续箱梁桥 体外预应力 维修加固 施工监测 |
| 文章编号： | 1002-8498(2007)03-0082-02 |
| 修稿时间： | 2006年6月16日 |
Strengthening and Construction Monitoring of a Prestressed Concrete Continuous Box Girder Bridge |
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| YU Jian-cheng,GONG Ke,TAO Wei.Strengthening and Construction Monitoring of a Prestressed Concrete Continuous Box Girder Bridge[J].Construction Technology,2007,36(3):82-83. |
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| Authors: | YU Jian-cheng GONG Ke TAO Wei |
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| Abstract: | A prestressed concrete continuous box girder bridge is damaged,whose girder has many cracks.According to loading experiment,the stiffness of girder is lower,and the bearing capacity is not satisfied.Authors introduce the strengthening design and construction monitoring of this bridge.After strengthening,the bridge has no disease. |
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| Keywords: | prestressed concrete continuous box girder bridge external prestressing strengthening construction monitoring |
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