粘性ダンパーによる複数地震応答の最大層間変形角の一様化方法

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  • METHOD FOR UNIFORMIZING MAXIMUM INTER-STORY DRIFT ANGLE OF MULTIPLE SEISMIC RESPONSES IN ELASTIC EQUIVALENT SHEAR-SPRING MODEL WITH VISCOUS DAMPER

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<p>This paper proposes a method of uniform response of an equivalent shear-spring model with viscous dampers. First, we propose an equivalent stiffness to evaluate the effect of the Maxwell model and confirm the validity of the results of eigenvalue analysis by using the equivalent stiffness in the primary mode. Next, to uniformize inter-story drift angle responses that envelop the maximum values of time history analyses for multiple earthquakes, we apply the equivalent stiffness to a method using closed-form representations of the primary mode. The results confirm that the method of controlling viscous damping via the equivalent stiffness is effective.</p>

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