集合住宅の軽量床衝撃音レベル予測法に関する研究 : 直張り木質床の軽量床衝撃音レベルについて

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  • STUDY ON PREDICTION OF THE LIGHTWEIGHT FLOOR IMPACT SOUND LEVEL IN MULTIPLE-DWELLING BUILDINGS : A study on lightweight floor impact sound level with wooden floor coverings
  • シュウゴウ ジュウタク ノ ケイリョウ ユカショウゲキオン レベル ヨソクホウ

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To clearly show the acoustic performance of multiple-dwelling building, we study the followings. (1) The insulation level attained by wooden floor covering tends to be smaller in actual buildings than in public laboratories. (2) The insulation level in our full-scale experimental building is applicable with a satisfactory accuracy to actual buildings which differ in floor slab thickness. (3) Prediction was conducted from the level in the experimental building and the sound absorbing coefficients is determined in multiple-dwelling buildings at the time of their completion. The predicted values agree well with the values measured in the multiple-dwelling buildings in use, with an error not more than one rank in L grade.

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