摩擦・接触要素を含む構造物の非線形振動解析について : その2 基礎免震,摩擦係数の非定常性,すべり面の運動軌跡

概要

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In this paper, we investigate three characteristics of seismic response in the friction systems. First contents are base isolation systems containing mass on the base floor. We compare the response of these systems with one in the case of no mass on the base floor. Second contents are friction coefficients depended on the sliding velocity. We explain the method to simulate, and show response waves calculated using four kinds of these characteristics. Third contents are non-directional friction forces on the sliding plane surface. We propose one method to analyze the response of friction systems including those forces. In addition, we show the locus of ground motion and sliding motion using single or two mass model subjected to horizontal bi-axial earthquake.
1997-03-30