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Interfacial Shear Stresses Calculation of FRP Strengthened RC Beams

机译：界面剪切应力FRP加强RC梁的计算

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One major problem when using fiber reinforced polymer (FRP) to strengthen structures is the presence of high interfacial shear stresses near the end of the RC beams which might impact on the debonding failure modes and working mechanism. Interfacial debonding failure may occur at the plate ends due to interfacial stresses. This study analyzes the effect of the interfacial behavior on the interfacial shear stresses of FRP strengthened RC beams under uniformly distributed loads. The analytical model is established, and the differential equation of interfacial shear stresses of FRP strengthened RC beams is established. The calculated formula of interfacial shear stresses is deduced under uniformly distributed loads.
机译：使用纤维增强聚合物（FRP）加强结构时的一个主要问题是在RC光束的末端附近存在高界面剪切应力，这可能会影响剥离失效模式和工作机制。由于界面应力，在板端可能发生界面剥离失败。该研究分析了均匀分布载荷下FRP强化RC梁界面行为对FRP强化RC梁的界面剪切应力的影响。建立了分析模型，建立了FRP强化RC光束的界面剪切应力的微分方程。在均匀分布的负载下推导出界面剪切应力的计算公式。

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