| 基于二次受力的粘钢加固RC梁位移延性分析 |
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| 引用本文： | 罗臻,葛新广. 基于二次受力的粘钢加固RC梁位移延性分析[J]. 广西工学院学报, 2009, 20(2): 63-68 |
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| 作者姓名： | 罗臻 葛新广 |
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| 作者单位： | 广西工学院,土木建筑工程系,广西,柳州,545006;广西大学,土木建筑工程学院,广西,南宁,530004;广西工学院,土木建筑工程系,广西,柳州,545006 |
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| 基金项目： | 广西工学院自然科学基金 |
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| 摘 要： | 针对粘贴钢板加固RC梁的二次受力特性,在混凝土结构设计规范中抗弯设计计算的基本原理基础上,通过对粘贴钢板加固RC梁的受力分析,提出了其位移延性的计算方法,并讨论了其影响因素.分析结果表明,后粘钢板用量及其卸载百分比是影响RC梁加固后延性的主要因素.
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| 关 键 词： | 二次受力 粘贴钢板 加固 位移延性 卸载百分比 |
Displacement Ductility Analysis of RC Beam Strengthened by Bonded Steel Plates Based on the Secondary Stress |
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| LUO Zhen,GE Xin-Guang. Displacement Ductility Analysis of RC Beam Strengthened by Bonded Steel Plates Based on the Secondary Stress[J]. Journal of Guangxi University of Technology, 2009, 20(2): 63-68 |
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| Authors: | LUO Zhen GE Xin-Guang |
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| Affiliation: | 1.Department of Civil Engineering & Architecture;Guangxi University of Technology Liuzhou 545006;China;2.College of Civil Engineering & Architecture;Guangxi University;Nanning 530004;China |
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| Abstract: | Aiming at secondary stress characteristics of the RC beam strengthened by bonded steel plates,based on the fundamental theory of flexural design calculation of code for design of concrete structures,through the stress analysis of the RC beam strengthened by bonded steel plates,this paper presented a calculation method of its displacement ductility.And the influencing factors on it were discussed.The results show that the quantity of steel plate and its unload percentage are the most important factors influe... |
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| Keywords: | secondary stress bonded steel plates strengthened displacement ductility unload percentage |
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