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本文详细地研究了夹层橡胶隔震垫（ 铅芯与非铅芯） 的回转刚性， 给出了回转刚性与竖向压力及剪切变形的相关性能。文中同时还研究了橡胶垫在以恒定或变化回转角度发生剪切变形时的力学性能（ 含刚度及阻尼性能） 的变化规律。试验研究结果表明， 在采用柱端隔震时， 夹层橡胶隔震垫（ 铅芯与非铅芯） 具有可靠的力学性能
This article examines in detail the rotational stiffness of laminated rubber-isolated cushions (lead and non-lead) and gives the relative properties of rotational stiffness and vertical pressure and shear deformation. The paper also studied the variation of the mechanical properties (including stiffness and damping properties) of the rubber mat when shear deformation occurs at a constant or varying angle of rotation. The results of the test study indicate that the laminated rubber isolation (lead and non-lead) cores have reliable mechanical properties when using column end isolation.