重量衝撃源の衝撃力特性に関する研究

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タイトル別名
  • INPULSIVE FORCE CHARACTERISTICS OF HEAVY IMPACT SOURCE
  • ジュウリョウ ショウゲキゲン ノ ショウゲキリョク トクセイ ニ カンスル ケ

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In this paper, We examined the impulsive force characteristics of the heavy impact source stipulated by JIS A 1418, and measured the impulsive force characteristics of the jumping down of the adults and children. It is said that the impulsive force of the heavy impact source stipulated by JIS A 1418 is too large for the measurement of the wooden floor construction. When the falling height of the heavy impact source becomes lower, the impulsive force decreases and the impact time increases gradually. As the results of the theoretical and the experimental examination, it can be said that the falling height of the heavy impact source should be kept more than about 20 cm, for getting the linearity of the impulsive force characterisics to JIS A 1418. In the field measurement, the relation between the impulsive force for the various falling height of the heavy impact source and the vibration velocity of the several kind of floor construction was studied.

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