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Elastic Analysis of Steel Beams Strengthened with GFRP Plates Including Preexisting Loading Effects
| 题名： | Elastic Analysis of Steel Beams Strengthened with GFRP Plates Including Preexisting Loading Effects |
| 其他题名： | ABAQUS version 6.12.3[Computer software].Dassault Systèmes,Waltham,MA. |
| 正文语种： | 英文 |
| 作者： | Phe Van Pham |
| 关键词： | Steel beam;Glass fiber-reinforced polymer (GFRP);Strengthening;Closed form solution;Loading history;Analysis and computation |
| 摘要： | The present study develops a theory for the elastic analysis of a preloaded wide flange steel beam, strengthened with two glass fiber-reinforced polymer (GFRP) plates bonded to both flanges, then subjected to additional loads. Starting with the principle of stationary potential energy, the governing equilibrium equations and corresponding boundary conditions are formulated prior to and after GFRP strengthening. The resulting theory involves four coupled equilibrium equations and 10 boundary conditions. A general closed form solution is then provided for general loading and boundary conditions. Detailed comparisons with three-dimensional finite-element solutions show that the theory provides reliable predictions for the displacements and stresses. A parametric study is then developed to quantify the effects of strengthening, GFRP plate thicknesses, and preexisting loads on the capacity of the strengthened beam. |
| 出版年： | 2017 |
| 论文唯一标识： | P-26Y2017V143N12010 |
| 英文栏目名称： | TECHNICAL PAPAERS |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001904 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 143 |
| 期： | 12 |
| 页码： | 119-133 |
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