《Tab.5 Comparison of peak values in vertical acceleration time history curves》

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《摩擦摆支座的简化模拟方法（英文）》

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Fig.14 shows the comparison of the vertical acceleration time-history curves between the tests and simulation results under several loading conditions.The corresponding comparison of peak values（absolute values）is shown in Tab.5.As can be seen from Fig.14，the test and simulation results only match well at peak points，and the overall trend is that the simulation values are lower than those from the tests.The proposed model fails to capture the acceleration responses under low excitations as a result of the great friction coefficient used in the simulations.However，it is worth noting that，as can be seen from Tab.5，the peak errors between the tests and the simulations are still less than15%.In combination with the observations in the above sections，it can be concluded that the proposed simplified model can be used to simulate the mechanical behavior of the superstructure isolated by FPBs.