| 无粘结预应力束实测伸长值偏大原因分析 |
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| 引用本文： | 刘桐,李维滨.无粘结预应力束实测伸长值偏大原因分析[J].建筑技术开发,2002(11). |
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| 作者姓名： | 刘桐 李维滨 |
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| 作者单位： | 盐城工学院建筑工程系 盐城224002
(刘桐)，东南大学土木工程学院 南京210096(李维滨) |
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| 摘 要： | 本文针对在实际施工过程中 ,无粘结预应力短束实测伸长值比理论计算伸长值偏大 ,超过规范规定范围的情况 ,进行了分析和测试 ,提出了导致实测伸长值偏大的原因
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| 关 键 词： | 无粘结预应力短束 伸长值 摩擦损失 弹性模量 |
THE REASON ANALYSIS OF EXTA ELONGATION OF UNBONDED PRESTRESSING TENDONS |
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| LU Tong\ \ LI Wei\|bin.THE REASON ANALYSIS OF EXTA ELONGATION OF UNBONDED PRESTRESSING TENDONS[J].Building Technique Development,2002(11). |
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| Authors: | LU Tong\ \ LI Wei\|bin |
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| Affiliation: | LU Tong\ \ LI Wei\|bin |
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| Abstract: | In the actual construction,unbonded prestress short tendon extension value that measured is greater than the computed value by theory.And the extension value is often beyond the range permitted by code.In this arcticle,it is analyized and the cause is found. |
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| Keywords: | Unbonded tendons Elongation Friction loss Modulus of elasticity |
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