| 大跨连续刚构跨中下挠问题研究 |
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| 引用本文： | 王维红,张雪松,许震.大跨连续刚构跨中下挠问题研究[J].山西建筑,2007,33(13):269-270. |
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| 作者姓名： | 王维红 张雪松 许震 |
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| 作者单位： | 1. 重庆交通大学工程力学,重庆,400074
2. 重庆交通大学,重庆,400074 |
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| 摘 要： | 在归纳总结前人经验的基础上,从预应力钢筋混凝土材料本身的性质、力学性能及大跨连续刚构的设计理论、施工方法等方面做了较为详细的分析,并提出了相应的预防措施和解决方案,以延长桥梁的使用寿命,提高行车舒适性。
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| 关 键 词： | 连续刚构桥 跨中下挠 徐变 成因 |
| 文章编号： | 1009-6825(2007)13-0269-02 |
| 修稿时间： | 2006-12-18 |
Research on the middle span continuous deflexion of large-span continuous rigid frame bridge |
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| WANG Wei-hong,ZHANG Xue-song,XU Zhen.Research on the middle span continuous deflexion of large-span continuous rigid frame bridge[J].Shanxi Architecture,2007,33(13):269-270. |
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| Authors: | WANG Wei-hong ZHANG Xue-song XU Zhen |
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| Affiliation: | WANG Wei-hong ZHANG Xue-song XU Zhen |
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| Abstract: | In the predecessor's experiences,from the prestressed concrete material itself nature,mechanial performance and the aspect of large-span continuous rigid frame bridge design theory,has made a more detailed analysis,and proposed the corresponding preventive measure and the solution.So as to prolong the using life of bridge and raise the driving comfortable feeling. |
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| Keywords: | continuous rigid frame bridge middle span deflexion creep loss of prestressing force |
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