| 疏编穿束法解决预应力箱梁钢绞线缠绕不均匀受力问题 |
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| 引用本文： | 王祥国.疏编穿束法解决预应力箱梁钢绞线缠绕不均匀受力问题[J].北方交通,2012(9):72-74. |
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| 作者姓名： | 王祥国 |
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| 作者单位： | 辽宁省路桥建设第一有限公司,沈阳,110006 |
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| 摘 要： | 阐述了预应力箱梁存在因钢绞线在波纹管内缠绕引发的受力不均匀,而导致梁体出现钢绞线断丝和梁体坍塌等病害的原因,并提出通过疏编穿束的方法解决钢绞线在波纹管内相互缠绕、不均匀受力,从而达到杜绝此类病害发生的目的。
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| 关 键 词： | 疏编穿束法 预应力混凝土 箱梁钢绞线缠绕 不均匀受力 |
Solving the Non -Uniform Force Issue during Winding of Steel Strand of Prestressed Box Girder with Combing and Strand Pulling Method |
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| Authors: | WANG Xiang-guo |
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| Institution: | WANG Xiang-guo |
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| Abstract: | Causes are elaborated for diseases of prestressed box girder body like break of steel strand and collapse of girder body due to non-uniform force during winding of steel strand in bellows.Combing and strand puling method is proposed to solve the interwinding and non-uniform force of steel strand in bellows to prevent this kind of disease. |
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| Keywords: | Combing and strand puling method Prestressed concrete Winding of box girder steel strand Non - uniform force |
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