| 滹沱河大桥转体施工提升塔架强度和稳定性研究 |
| |
| 引用本文： | 高志松,徐岳震. 滹沱河大桥转体施工提升塔架强度和稳定性研究[J]. 施工技术, 2011, 40(21) |
| |
| 作者姓名： | 高志松 徐岳震 |
| |
| 作者单位： | 1. 长安大学公路学院,陕西 西安,710064
2. 兰州交通大学土木工程学院,甘肃 兰州,730070 |
| |
| 摘 要： | 转体施工是拱桥施工中非常重要的施工方法,在转体过程中对竖转提升塔架有很高的要求,所以要验算竖转提升塔架的强度和稳定性。采用空间有限元软件MIDAS进行建模,计算分析提升塔架在各种计算模型下的强度和稳定性,并对比分析采用最优的方案。
|
| 关 键 词： | 桥梁工程 拱桥 提升塔架 稳定性 压应力 临界荷载失稳系数 |
Research of Hoisting Tower's Intensity and Stability to Swivel Construction in Hutuohe Bridge |
| |
| Gao Zhisong,Xu Yuezhen. Research of Hoisting Tower's Intensity and Stability to Swivel Construction in Hutuohe Bridge[J]. Construction Technology, 2011, 40(21) |
| |
| Authors: | Gao Zhisong Xu Yuezhen |
| |
| Affiliation: | Gao Zhisong1,Xu Yuezhen2(1.Highway School,Chang'an University,Xi'an,Shaanxi 710064,China,2.School of Civil and Engineering,Lanzhou Jiaotong University,Lanzhou,Gansu 730070,China) |
| |
| Abstract: | Swivel construction is a very important method in arch bridge construction.It has high requirements for the vertical swivel hoisting tower in the process of swivel,so checking the intensity and stability of the vertical swivel hoisting tower is necessary.Adopting spatial finite element software MIDAS sets up the bridge model,intensity and stability of the vertical swivel hoisting tower on different kinds of calculation model are calculated and analyzed to attain the optimal scheme by comparative analysis. |
| |
| Keywords: | bridges arch bridges hoisting tower stability compressive stress critical load buckling factor |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
