| 体外预应力加固雁形板的承载力分析 |
| |
| 引用本文： | 李正英,林文修,等.体外预应力加固雁形板的承载力分析[J].重庆大学学报(自然科学版),2002,25(2):11-14. |
| |
| 作者姓名： | 李正英 林文修 |
| |
| 作者单位： | [1]重庆大学土木工程学院，重庆400044 [2]重庆建筑科学研究院，重庆400015 |
| |
| 摘 要： | 通过两根18m跨雁形板在体外预应力筋加固前后的静载及破坏实验，分析研究了体外预应力加固雁形板后的承载力变化，并按比拟梁法对加固构件的承载力进行了计算。计算结果与试验结果表明，张拉体外预应力钢筋加固雁形板后，承载力有一定程度的提高，但由于雁形板的提前失稳破坏使极限承载力提高程度不大，而且，体外折线筋加固方案对承载力的提高优于直线筋加固方案。
|
| 关 键 词： | 承载力 体外预应力 雁形板 比拟梁法 加固 |
| 文章编号： | 1000-582(2002)02-0011-04 |
| 修稿时间： | 2001年11月9日 |
Bearing Capacity of the External-Prestressed Bird-Shape Plates |
| |
| LI Zheng Ying,ZHENG Shuo cai,LIN Wen Xiu,DUAN Cheng Lu.Bearing Capacity of the External-Prestressed Bird-Shape Plates[J].Journal of Chongqing University(Natural Science Edition),2002,25(2):11-14. |
| |
| Authors: | LI Zheng Ying ZHENG Shuo cai LIN Wen Xiu DUAN Cheng Lu |
| |
| Institution: | LI Zheng Ying 1,ZHENG Shuo cai 1,LIN Wen Xiu 2,DUAN Cheng Lu 2 |
| |
| Abstract: | By means of static loading and destruction test on two 18 m span bird-shape plates before and after strengthening, the change of the bird-shape's bearing capacity is analyzed which is strengthened by external tendon. It is indicated by comparing the theoretic results with those of tests that the bird-shape's bearing capacity is raised to some extent after strengthening, the plate's stability confined the increment of bearing capacity, and reinforcement by the curved line-shape tendon is superior to that by the straight line-shape tendon. |
| |
| Keywords: | external prestressing bird-shape plate the beam analogy method |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《重庆大学学报(自然科学版)》浏览原始摘要信息 |
| 点击此处可从《重庆大学学报(自然科学版)》下载免费的PDF全文 |
