低騒音の水平振動方式による軽量コンクリートの締固め効果

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タイトル別名
  • COMPACTION OF LIGHTWEIGHT CONCRETE BY USING HORIZONTAL VIBRATION
  • テイソウオン ノ スイヘイ シンドウ ホウシキ ニ ヨル ケイリョウ コンクリート ノ シメカタメ コウカ

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The form vibrators for concrete generate 91 dB of noise during the compaction process and the noise spoils the comfortable sound environment around the factory. When the horizontal large amplitude and low frequency are used to shake the mold, it is possible to control less noise level than 81 dB. This method is referred to as the horizontal vibration method and this method has the ability to replace the form vibrators for concrete in the manufacturing precast concrete. In this study the lightweight concrete is tried to be compacted in the low level noise environment by using horizontal vibration method. This study indicates that the good compaction can be attained and the segregation of material can be controlled by the horizontal vibration method. Also, the horizontal vibration method gives the flexural strength of the hardened concrete similar as the form vibrators for concrete.

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