An experimental study on properties of increased density ALC panel

Part2 A bending strength design and floor sound insulation characteristics of ALC panel

Abstract

In part 2, we have further gone on to investigate the bending strength design method and the heavyweight floor impact sound insulation of high-density ALC panels. We have set the density and maximum width of the ALC panels to be tested at 650 kg/m3 and 500 mm, respectively, so that the current method of construction of ALC panels may be utilized. As a result, it was found that the stress coefficients of 3.0 N/mm2 and 2.0 N/mm2 could be utilized for allowable temporary loading and sustained loading, respectively, and 2,500 N/mm2 could be utilized as the Young's modulus in determining the durability of high-density ALC panels. In addition, it became apparent that high-density ALC panels of 150 mm thickness improved the heavyweight floor impact sound insulation by 1.7 dB at a frequency of 63 Hz compared to normal ALC panels.