| FRP增强混凝土框架节点恢复力模型 |
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| 引用本文： | 彭亚萍,王铁成.FRP增强混凝土框架节点恢复力模型[J].江苏大学学报(自然科学版),2010,31(1). |
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| 作者姓名： | 彭亚萍 王铁成 |
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| 作者单位： | 1. 天津大学,建筑工程学院,天津,300072;济南大学,土木建筑学院,山东,济南,250022
2. 天津大学,建筑工程学院,天津,300072 |
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| 基金项目： | 山东省优秀中青年科学家科研奖励基金资助项目(2007BS04015) |
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| 摘 要： | 为研究FRP增强混凝土梁柱节点及其组成框架结构的整体抗震性能,基于FRP增强混凝土梁柱节点的拟静力试验结果,分析了各类试验节点的滞回特性.考虑刚度退化的影响,提出FRP增强混凝土框架节点的三折线恢复力模型及其特征参数取值范围,并给出层间混杂FRP加固节点的恢复力模型表达式.结果表明,各类FRP加固节点的抗震性能相对于对比构件有明显的提高,相对而言层间混杂FRP的增强作用更为有效.所建立的恢复力模型骨架曲线与试验值非常接近,此模型可用于FRP增强混凝土框架结构的弹塑性动力反应分析及其节点的抗震加固设计.
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| 关 键 词： | FRP 增强 框架结构 节点 恢复力模型 滞回性能 混杂纤维 |
Restoring force model of concrete frame joints reinforced with FRP |
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| Peng Yaping,Wang Tiecheng.Restoring force model of concrete frame joints reinforced with FRP[J].Journal of Jiangsu University:Natural Science Edition,2010,31(1). |
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| Authors: | Peng Yaping Wang Tiecheng |
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| Institution: | 1.School of Civil Engineering/a>;Tianjin University/a>;Tianjin 300072/a>;China/a>;2.School of Civil Engineering and Architecture/a>;University of Ji'nan/a>;Ji'nan/a>;Shandong 250022/a>;China |
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| Abstract: | In order to investigate the seismic performance of concrete beam-column joints strengthened by fiber reinforced plastics(FRP) and the corresponding frame structure,based on the pseudo-static test results of these joints,the hysteretic characteristics of the connections were analyzed.Considering the effect of stiffness degradation,a three lines restoring force model of concrete frame joints reinforced with FRP was proposed and ranges of the characteristic parameters were determined.The expression of restorin... |
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| Keywords: | fiber reinforced plastics reinforcement structural frame joints restoring force models hysteretic characteristics hybrid fiber |
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