| 无粘结部分预应力框架实践和研究 |
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| 引用本文： | 熊学玉 汤永净. 无粘结部分预应力框架实践和研究[J]. 工业建筑, 1996, 26(12): 23-26,41 |
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| 作者姓名： | 熊学玉 汤永净 |
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| 作者单位： | 同济大学预应力研究所 |
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| 摘 要： | 经理论分析，提出采用便携式千斤顶一次超张拉预应力筋，得出现浇框架不考虑柱子约束对弹性压缩的影响较小，还得出预应力筋摩擦系数与张拉应力之间的关系，经工程实践进一步得到了验证
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| 关 键 词： | 预应力混凝土 预应力框架 弹性压缩 摩擦系数 |
PRACTICE & RESEARCH ON COHESIONLESS PARTED PRESTRESSED FRAME |
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| Xiong Xueyu Tang Yongjing Huang Dingye. PRACTICE & RESEARCH ON COHESIONLESS PARTED PRESTRESSED FRAME[J]. Industrial Construction, 1996, 26(12): 23-26,41 |
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| Authors: | Xiong Xueyu Tang Yongjing Huang Dingye |
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| Affiliation: | Tongji University 200092 |
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| Abstract: | By theoretic analysis, using the prestressed bers which are extra primary stretched by portable jack, the cast-in-site frame affects little on the elastic compression if without consideration of column restriction. In addition, there lationship between fraction coefficient of prestressed bar and tensile stress is presenred herein, which is verified by practice. |
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| Keywords: | prestressed concrete prestressed frame elastic compression fraction coefficient |
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