遺伝的アルゴリズムによる免震装置の最適配置計画 : 免震装置のコストを考慮した場合の検討

概要

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The purpose of this research is proposing the optimal arrangement method of base-isolated devices by a genetic algorithm in consideration of the costs of devices. We set up four cases as evaluation item. They are (1) the case which adopted the eccentric factor of the base-isolated layer, the vertical load on each isolator, the natural period of the base-isolated structure and the damping factor of the base-isolated layer, (1c) the case which added the cost to (1), (2) the case which adopted the eccentric factor, the vertical load, the natural period and yield force coefficient of the base-isolated layer, (2c) the case which added the cost to (2). As a result of analysis, in the case (2c), the performance didn't become small and the costs of devices were reduced 7% from 5% from the case (2). As a result of the earthquake response analysis, buildings which devices were chosen by the case (2c) satisfied the design criteria. Therefore the validity of this method was shown.
2002-06-23