| 大吨位小半径空间曲线超长预应力束张拉施工 |
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| 引用本文： | 郝广成,张洪军,康乐,辛晓慧.大吨位小半径空间曲线超长预应力束张拉施工[J].北方交通,2006(10):43-45. |
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| 作者姓名： | 郝广成 张洪军 康乐 辛晓慧 |
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| 作者单位： | 1. 吉林省交通建设集团第九公司,长春,130102
2. 宁波市绕城高速公路(西段)建设办公室,宁波,315040 |
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| 摘 要： | 以一座典型的预应力混凝土连续梁桥———南湖大路高架桥为工程背景,对小半径空间曲线预应力筋理论伸长量计算、预应力张拉施工进行了十分有益的探索。为类似工程设计与施工提供参考。
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| 关 键 词： | 空间曲线 超长预应力筋 伸长量 张拉 施工 |
Stretching Construction of Prestressed Bundled Bars with Big Tonage,Sharp-Radius of Space Curve and Overlength |
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| Authors: | Hao Guangcheng |
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| Abstract: | As background with a typical continuous beam bridge of prestressed concrete -the elevated bridge at Hunan Road, the paper makes a fully valuable exploration of the theoretical extension of prestressed bundled bars with sharpradius of space curve,and of the construction of stress stretching, which have offered a reference for similar design and construction of project. |
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| Keywords: | Space curve Prestressed bundled bars with overlength Extension Stretching Construction |
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