材料吸声系数02是.doc

吸声系数表 材料/结构厚度(cm)密度（Kg/m3）对各频率的吸音系数125250500100020004000大理石、水磨石、花岗石、等光滑石材0.010.010.010.020.020.02混凝土或水泥地面0.010.010.020.020.020.03实铺木地板0.040.040.030.030.030.02木阁栅地板0.150.110.100.070.060.07玻璃0.030.0270.02玻璃窗户0.350.250.180.120.070.04厚玻璃地板0.180.060.040.030.020.02砖墙，粗糙（未水泥）0.360.440.310.290.390.25砖墙、未抹灰0.0240.0250.0320.0410.0490.07砖墙、抹灰（未漆）0.020.020.020.030.030.04砖墙，水泥拉毛0.040.040.050.060.070.05弓形圆柱面0.410.400.330.250.220.20加气混凝土9cm6700.080.100.100.190.270.20木架板条，毛面抹灰0.0250.0450.0360.0870.0420.058木架板条，光面抹灰0.0240.0270.0300.0370.0360.033普通木板，贴墙装0.050.060.060.10.10.10.5cm薄木板(距墙10－15cm)0.250.150.080.070.040.04三夹板，距墙5cm龙骨间距50×45cm0.3cm0.210.730.210.100.080.12三夹板，距墙10cm龙骨间距50*45cm0.3 cm0.590.380.180.050.040.08五夹板，距墙5cm龙骨间距50*45cm 三遍漆0.5 cm0.110.260.150.040.050.10五夹板，距墙9cm龙骨间距50*45cm三遍漆0.5 cm0.020.020.100.100.100.10五夹板，距墙20cm龙骨间距50*45cm三遍漆0.5 cm0.600.130.100.040.060.17甘蔗板，贴墙1.3 cm2000.120.190.280.540.490.70甘蔗板，距墙5cm1.3 cm2000.200.920.500.320.400.52甘蔗板，距墙5cm2.0 cm3000.250.820.740.640.510.56刨花板， 距墙5cm1.5 cm0.350.270.200.150.250.39刨花板， 距墙15cm1.5 cm0.360.260.160.160.230.38皮面门0.100.110.110.090.090.11木门0.160.150.100.100.100.10卡普隆纤维6330.120.260.580.910.960.98超细玻璃棉2200.050.100.300.650.650.65超细玻璃棉3200.070.180.380.890.810.98超细玻璃棉5200.150.350.850.850.860.86超细玻璃棉9200.320.400.510.600.650.60超细玻璃棉10200.250.600.850.870.870.85超细玻璃棉15200.500.800.850.850.860.80玻璃丝51000.150.380.810.830.790.74玻璃丝51500.120.300.720.990.870.83玻璃丝52000.100.280.740.870.900.83矿渣棉81500.300.640.730.780.930.94矿渣棉43000.320.400.530.550.610.66矿渣棉83000.350.430.550.670.780.92玻璃、矿渣棉 空气层为30cm2.50.750.8