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根据工程情况,通过对比不同工法玄武岩纤维布(BFRP)加固榫卯节点后的榫卯节点力学性能,探讨不同工法下BFRP加固榫卯节点的抗震性能;主要包括滞回曲线、骨架曲线、强度和刚度退化规律、极限承载力和最大刚度等。试验结果表明,不同工法下BFRP加固榫卯节点的滞回曲线图形明显不同,榫卯节点的极限承载力和最大刚度也有较大幅度差距。
According to the engineering situation, the seismic performance of mortise-tenon joint reinforced with BFRP under different working conditions is discussed by comparing the mechanical properties of tenon-to-mortise joints strengthened with different workmanship basalt fiber cloth (BFRP), including hysteresis curve, skeleton curve, strength and Stiffness degradation, ultimate bearing capacity and maximum stiffness. The experimental results show that the hysteresis curves of the tenon-to-tenon joints strengthened by BFRP are obviously different under different working methods, and the ultimate bearing capacity and the maximum rigidity of the tenon-tenon joints also have a significant difference.