| 短束预应力钢绞线张拉伸长值控制方法 |
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| 引用本文： | 林定权.短束预应力钢绞线张拉伸长值控制方法[J].北方交通,2008(8). |
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| 作者姓名： | 林定权 |
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| 作者单位： | 中铁十局集团有限公司,济南,250001 |
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| 摘 要： | 短束预应力钢绞线在施工中很容易出现超限的问题,即实测伸长值与理论伸长值的比值超出现行公路桥涵规范中6%的规定,分析了超限产生的原因,并提出了在施工中加强控制的合理建议。
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| 关 键 词： | 伸长值 短束预应力钢绞线 控制 |
Methods for Control of Stretched Extensibility of Short Prestressed Strand |
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| Authors: | LIN Ding-quan |
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| Institution: | LIN Ding-quan |
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| Abstract: | In construction,the short prestressed strand is easy to produce the overrun,namely the value of ratio of extensibility measured to theoretical extensibility exceeds 60% stipulated in "Highway Bridge-Culvert Specification in Force".The paper analyzes causes for overrun and proposes rationalization proposals for strengthening the control of it in construction. |
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| Keywords: | Extensibility Short prestressed strand Control |
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