| 文明特大桥箱梁竖向预应力钢绞线二次张拉施工技术探讨 |
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| 引用本文： | 吕茂丰,李宇奎,王勇.文明特大桥箱梁竖向预应力钢绞线二次张拉施工技术探讨[J].交通标准化,2014(1):100-102. |
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| 作者姓名： | 吕茂丰 李宇奎 王勇 |
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| 作者单位： | 中铁五局集团机械化工程有限责任公司,湖南衡阳421400 |
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| 摘 要： | 预应力钢绞线二次张拉技术由于具有很多的优点，越来越多地在悬浇箱梁中得以应用。以文明特大桥主桥连续刚构箱梁竖向预应力钢绞线施工为例，探讨了箱梁竖向预应力铜绞线二次张拉低回缩锚固系统的施工技术，希望能为同类型施工提供有益的参考。
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| 关 键 词： | 文明特大桥 箱梁 竖向预应力钢绞线 二次张拉 施工技术 |
Construction Technology of Wenming Super-Large Bridge Box Girder Vertical Prestressing Strand Secondary Tensioning |
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| LU Mao-feng,LI Yu-kui,WANG Yong.Construction Technology of Wenming Super-Large Bridge Box Girder Vertical Prestressing Strand Secondary Tensioning[J].Communications Standardization,2014(1):100-102. |
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| Authors: | LU Mao-feng LI Yu-kui WANG Yong |
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| Institution: | (Mechanization Engineering Co., Ltd., China Railway No.5 Engineering Group, Hengyang 421400, China) |
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| Abstract: | Prestressing strand secondary tensioning technology has many advantages and has been widely used in cantilever beam construction. Taking Wenming super-large bridge continuous rigid frame box vertical prestressing strand construction as an example, this paper discusses the construction technology of box girder vertical prestressing strand secondary tensioning, so as to provide useful reference for similar construction. |
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| Keywords: | Wenming super-large bridge box girder vertical prestressing strand secondary tensioning construction technology |
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