| 预应力砼桥梁张拉技术的发展与应用 |
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| 引用本文： | 刘山洪. 预应力砼桥梁张拉技术的发展与应用[J]. 重庆交通大学学报(自然科学版), 2006, 25(5): 9-12,20 |
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| 作者姓名： | 刘山洪 |
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| 作者单位： | 西南交通大学,交通运输工程博士后流动站,四川,成都,610031;重庆交通大学,土木建筑工程学院,重庆,400074 |
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| 摘 要： | 大跨预应力砼桥梁工程采用的砼性能进一步需要与之配合的预应力张拉施工工艺的改进.介绍了现有预应力张拉工艺的不足,新型数控预应力张拉设备中涉及的主要传感器性能及几种常见的系统组建措施,对改进现有的施工工艺有一定的借鉴意义.
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| 关 键 词： | 预应力砼 桥 张拉工艺 数控 |
| 文章编号： | 1001-716X(2006)05-0009-04 |
| 修稿时间： | 2005-08-08 |
Application and development of prestressing technique in prestressed concrete bridge |
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| LIU Shan-hong. Application and development of prestressing technique in prestressed concrete bridge[J]. Journal of Chongqing Jiaotong University, 2006, 25(5): 9-12,20 |
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| Authors: | LIU Shan-hong |
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| Abstract: | Improvement of prestressing technique is needed by development of concrete performance used in long span concrete bridge engineering.Deficiencies of prestressing technique used in construction are presented nowadays.Several common schemes and capabilities of primary sensors used in new types of prestressing equipments controlled by digital computers are also described.It can be used as improvement references of construction techniques by now. |
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| Keywords: | prestressed concrete bridge prestressing technique numerical control |
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