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Capacity estimation of FRP strengthened RC beam-column joints using hierarchy of strength assessment

机译:使用力量评估等级研究FRP强化RC光束柱关节的容量估计

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In this paper, the fiber reinforced polymer (FRP) beam-column joint strengthening layout adopted by the researchers at University of Canterbury has been modified for real life structural engineering applications. A simplified analysis and design procedure has been proposed. The reported procedure has been validated against the past experimental work. Additional capacity by the FRP sheets has been assessed using the strength hierarchy assessment method. The local response of as-built and strengthened reinforced concrete beam-column joints has been related to the global base shear demand, resulting in base shear values corresponding to each damage state (e.g. joint shear failure, beam and column plastic hinging). It is showed that the analysis procedure for FRP joint strengthening used together with the strength hierarchy assessment method results in good agreement with the experimental work utilizing similar FRP strengthening layouts.
机译:本文,坎特伯雷大学研究人员采用的纤维增强聚合物(FRP)梁柱联合加强布局已被修改为现实生活结构工程应用。 已经提出了简化的分析和设计程序。 报告的程序已针对过去的实验工作验证。 使用强度层次评估方法评估FRP表的额外容量。 局部和加强钢筋混凝土梁柱接头的局部响应与全球基础剪切需求有关,导致对应于每个损坏状态的基础剪切值(例如,联合剪切失效,梁和柱塑料铰链)。 结果表明,与强度等级评估方法一起使用的FRP关节强化的分析程序与利用类似的FRP强化布局的实验工作,这会良好的一致性。

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