| 24m跨无粘结预应力混凝土梁施工 |
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| 引用本文： | 李妙平,王兴奇. 24m跨无粘结预应力混凝土梁施工[J]. 山西建筑, 2001, 27(5): 47-48 |
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| 作者姓名： | 李妙平 王兴奇 |
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| 作者单位： | 山西四建集团有限公司 |
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| 摘 要： | 介绍大跨度梁采用无粘结预应力技术的施工过程。通过对某工程实例的预应力筋捕放、锚固及张拉施工总结，得出大跨度曲线预应力筋在施工过程中只要严格控制张拉力，遵照张拉操作规程施工，张拉质量是完全可以保证的。
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| 关 键 词： | 无粘结预应力 锚固系统 伸长值 预应力混凝土 梁 工程施工 |
| 文章编号： | 1009-6825(2001)05-0047-02 |
| 修稿时间： | 2001-07-24 |
Construction of 24m span no-bonding pre-stress concrete beam |
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| LI Miao-ping,WANG Xing-qi. Construction of 24m span no-bonding pre-stress concrete beam[J]. Shanxi Architecture, 2001, 27(5): 47-48 |
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| Authors: | LI Miao-ping WANG Xing-qi |
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| Abstract: | The construction process of large span beam adopted non-bonding pre-st ress technique is introduced. Through the summarization on a project instance wh ose pre-stress concrete iron is laid, anchoring and stretched-drew, it is conc lu de that in construction of large span curved pre-stress concrete iron, only con t rol stretch-draw stress strictly and construct in term of stretch-draw operati ng rules, could stretch-draw quality be assured completely. |
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| Keywords: | non-bonding pre-stress anchoring system elongation value control stress |
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