| 关于后张钢绞线张拉伸长值的讨论 |
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| 引用本文： | 高以利. 关于后张钢绞线张拉伸长值的讨论[J]. 建筑施工, 1995, 17(1): 19-21 |
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| 作者姓名： | 高以利 |
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| 作者单位： | 沈阳铁路局沈阳工程总公司 110013 |
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| 摘 要： | 后张法施工时钢绞线伸长值变化的关键因素是预应力筋的弹性模量和孔道摩擦系数。本文结构二个连续梁桥施工实际，探讨伸长值偏差原因及校核标准。
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| 关 键 词： | 后张法 钢绞线 伸长 张拉 偏差 连续桥 |
Discussion on Elongation-By-Tensioning Value of Post-Tensioned Stranded Wire |
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| Gao Yili. Discussion on Elongation-By-Tensioning Value of Post-Tensioned Stranded Wire[J]. Building Construction, 1995, 17(1): 19-21 |
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| Authors: | Gao Yili |
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| Abstract: | Under construction elastic modulus of prestressting tendon and loss due to duct friction are the key factor that cause steel strand extension change by posttensioning method.The article, according to construction experince of two continuous beam bridge, try to find out the cause of strand extension change and standard of calibration. |
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| Keywords: | strand extension deviation |
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