Maxwell型の粘性ダンパーを有するせん断型構造物の地震時指定層間変位に対する剛性設計解列

概要

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A new method seismic stiffness design is developed for a shear building with Maxwell type viscous dampers. A sequence of stiffness designs is generated with respect to a sequence of flexibility of spring elements in Maxwell type viscous dampers such that each mean maximum interstory drift would coincide with the specified value subject to a set of spectrum-compatible design earthquakes. With the use of the predominancy of the fundamental participation component, proposed is an approximation formula to evaluate the upper bound for maximum interstory drifts in case that some viscous dampers does not function. Several design examples are presented to demonstrate the usefulness of the proposed design method. The results of time-history response analysis demonstrate the accuracy of this method and the proposed approximation formula.
1997-01-30