| PC箱梁桥竖向预应力施工技术探讨 |
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| 引用本文： | 唐峰,曾飞,唐侦湛.PC箱梁桥竖向预应力施工技术探讨[J].交通标准化,2009(7):25-27. |
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| 作者姓名： | 唐峰 曾飞 唐侦湛 |
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| 作者单位： | [1]重庆交通大学,重庆400074 [2]浙江省嘉兴市中路交通设计有限公司,浙江嘉兴314000 |
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| 摘 要： | 采用钢绞线低回缩量锚固体系可以改善桥梁短预应力束的预应力损失及失效现象，并且该体系具有锚固可靠、施工便利和经济等优点．将会在预应力结构中得到广泛应用。
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| 关 键 词： | PC箱梁桥 竖向预应力 原因分析 解决方法 |
Vertical Prestressing Construction Technology of PC Box-girder Bridge |
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| TANG Feng,ZENG Fei,TANG Zhen-zhan.Vertical Prestressing Construction Technology of PC Box-girder Bridge[J].Communications Standardization,2009(7):25-27. |
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| Authors: | TANG Feng ZENG Fei TANG Zhen-zhan |
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| Institution: | 1.Chongqing Jiaotong University;Chongqing 400074;China;2.Zhejiang Provincial Jiaxing City Zhonglu Traffic Design Co.;Ltd.;Jiaxing 314000;China |
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| Abstract: | Applying low-retraction steel wires anchor system can improve the phenomenon of prestressing loss and prestressing invalidation. Meanwhile the system is of some advantages such as dependable anchorage, convenient construction, low cost and so on. Thereby the system will be widely used in prestressed structures. |
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| Keywords: | PC box-girder bridge vertical prestressing causation analysis solution |
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