乾式二重床構造における断面仕様の違いによる床衝撃音レベル低減量に関する実験的検討

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  • EXPERIMENTAL STUDY ON REDUCTION OF FLOOR IMPACT SOUND OF FLOATING FLOOR BY DIFFERENCE OF SECTION SPECIFICATIONS
  • カンシキ ニジュウユカ コウゾウ ニ オケル ダンメン シヨウ ノ チガイ ニ ヨル ユカショウゲキオン レベル テイゲンリョウ ニ カンスル ジッケンテキ ケントウ

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The purpose of this study is to clarify the tendency to the reduction of heavy-weight floor impact sound of the floating floor by difference of the section specifications change. The floating floors were constructed in a box frame-type reinforced concrete construction which regulated in JIS A 1440-2, the reduction of transmitted heavy-weight floor impact sound levels were measured. From above results, the relationship between the section specification and the performances of them was examined. Moreover, the correspondence of two heavy/soft impact sources, a car-tire source and a rubber ball source, was investigated.

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