In order to study the influence of looseness on seismic performance of through-tenon joints, six through-tenon joints specimens in 1:3.2 scale, including one tight-fitted joint and five loose joints, were fabricated according to the Engineering Fabrication Methods of Qing dynasty. The failure modes, mechanical behaviors such as the hysteresis and envelope curves, strength and stiffness degradations, energy dissipation, and deformation of the specimens under low cyclic reversed loading tests were analyzed. Results show that the failure modes of theses joints under positive and negative loadings are bending damage on the big tenon head and tearing damage on the variable cross-section, respectively. The hysteresis curves of joints appear to be anti-Z shape and present typical pinching effect. The greater the degree of looseness is, the more obvious the slippage is. The bending moment, stiffness and energy dissipation of loose joints are lower than those of the tight-fitted joint under the same rotation angle, and the increase in the loose degree cause them to gradually decrease. Meanwhile, the behavior of the through-tenon joints is further simulated by the nonlinear finite element analysis program, and the test results agree well with the numerical analysis results.

为了研究松动对贯穿式榫seismic结构抗震性能的影响，按照《清代工程制作方法》制作了六个比例为1：3.2的贯穿式榫on结构试样，包括一个紧配合接头和五个松散接头。王朝。在低循环反向载荷试验下，分析了失效模式，机械性能，例如磁滞和包络曲线，强度和刚度退化，能量耗散以及试样的变形。结果表明，这些接头在正负载荷下的破坏方式分别为大榫头弯曲损伤和变截面撕裂损伤。关节的磁滞曲线似乎是反Z形的，并且表现出典型的收缩效果。松动程度越大，滑移越明显。在相同的旋转角度下，松动接头的弯矩，刚度和能量耗散低于紧密接头，并且松动程度的增加导致它们逐渐减小。同时，通过非线性有限元分析程序进一步模拟了贯穿筋的节点的行为，测试结果与数值分析结果吻合良好。