EVALUATION OF SLIDING DISPLACEMENT OF FURNITURE DURING EARTHQUAKE

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  • 家具の地震時滑り量の簡易評価
  • カグ ノ ジシンジ スベリ リョウ ノ カンイ ヒョウカ

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Abstract

A new formula to estimate sliding displacements of furniture during earthquakes is proposed. This formula indicates that sliding displacements are proportional to the square of input velocity and inversely proportional to friction coefficients. It is ascertained by analyses using a simple model and various input waves that the formula indicates almost maximum sliding displacement of furniture for an input velocity. By using this formula, we evaluated sliding displacements of furniture under various conditions. As the results, it becomes clear that sliding displacements are largely influenced by friction coefficients, soil conditions and floors where furniture is installed.

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