| 后张法预应力箱梁施工问题及对策 |
| |
| 引用本文： | 陈明航,文明铁.后张法预应力箱梁施工问题及对策[J].交通科技与经济,2009,11(1):24-25. |
| |
| 作者姓名： | 陈明航 文明铁 |
| |
| 作者单位： | 湖南省怀化公路桥梁建设总公司,湖南,怀化,418000 |
| |
| 摘 要： | 预应力砼箱梁与普通钢筋砼桥梁相比，更具有优良的使用性能。在施工过程中需要严格的工作程序。结合工程实践，对桥梁外观及管道敷设质量和张拉过程中的施工问题进行论述．并提出相应的防治措施。从而对预应力箱梁有一定的实践指导作用。
|
| 关 键 词： | 预应力箱梁 管道 钢绞线 弹性模量 张拉 |
The Problem and Countermeasure of Back Pull Pre-stressed Box Bridge Construction |
| |
| CHEN Ming-hang,WEN Ming-tie.The Problem and Countermeasure of Back Pull Pre-stressed Box Bridge Construction[J].Technology & Economy in Areas of Communications,2009,11(1):24-25. |
| |
| Authors: | CHEN Ming-hang WEN Ming-tie |
| |
| Institution: | Hunan Provincial Huaihua Road and Bridge Building Head Company;Huaihua 418000;Hunan;China |
| |
| Abstract: | Pre-stressed box bridge has better operational performance compared to the ordinary steel bar bridge,which enhance the fatigue strength,and has used the high strength steel products fully,but it also sets a higher request to the construction:needs the strict construction operational procedure,needs to have the high skill technical worker,the special precise construction measurement equipment as well as the high grade material.As widely used along with the prestressed concrete bridge in our country highway c... |
| |
| Keywords: | the pre-stressed box bridge the pipeline the steel stranded wire the elasticity coefficient pull |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
