Floor Impact Sounds by Heavy Impact Source in Steel Structure Buildings

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  • 鉄骨造建物の重量床衝撃音遮断性能に関する検討
  • 鉄骨造建物の重量床衝撃音遮断性能に関する検討 : スラブの振動特性とFEMによる予測
  • テッコツズクリ タテモノ ノ ジュウリョウ ユカショウゲキオン シャダン セイノウ ニ カンスル ケントウ : スラブ ノ シンドウ トクセイ ト FEM ニ ヨル ヨソク
  • —Vibrational Properties of Floor Slabs and Prediction using FEM—
  • —スラブの振動特性とFEMによる予測—

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<p>The floor impact sounds of steel structure buildings were examined. Steel structure buildings tend to have better insulation performance against heavy impact sources than reinforced concrete buildings. First, vibration characteristics were measured on the floor slabs of a steel structure building. It was found that the steel beams vibrated with the floor slabs, thus improving the insulation performance compared with reinforced concrete buildings. Next, to predict floor impact sounds, a finite element method of modeling steel structure buildings was examined and used to calculate the floor impact sounds of two buildings. The results agreed well with measured values.</p>

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