| 预应力混凝土箱梁后张法预应力施工控制要点 |
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| 引用本文： | 闫世岗.预应力混凝土箱梁后张法预应力施工控制要点[J].山西建筑,2009,35(1):158-159. |
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| 作者姓名： | 闫世岗 |
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| 作者单位： | 山西路桥第二工程有限公司,山西,临汾,041000 |
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| 摘 要： | 从波纹管、钢绞线及预应力筋控制力计算等方面，论述了预应力混凝土箱梁后张法预应力张拉前的准备工作，对后张法预应力施工张拉工艺进行了介绍，并对施工过程中遇到的问题进行了分析，积累了预应力混凝土箱梁施工经验。
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| 关 键 词： | 后张法 预应力 伸长量 波纹管 钢绞线 |
The post tensioned prestressed construction control points of prestressed concrete box beam |
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| YAN Shi-gang.The post tensioned prestressed construction control points of prestressed concrete box beam[J].Shanxi Architecture,2009,35(1):158-159. |
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| Authors: | YAN Shi-gang |
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| Affiliation: | YAN Shi-gang |
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| Abstract: | The preparation work of before and after post tensioned prestressed construction control points of prestressed concrete box beam were discussed from accordion pipe,steel strand and prestressed control force calculation.The stretch technology of prestressed construction was introduced and the problems met in the construction progress were analyzed,which accumulated prestressed concrete box beam construction experiences. |
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| Keywords: | post tensioned method prestressed extension value accordion pipe steel strand |
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