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1、吸声系数表材料 /结构厚度(cm)密度(Kg/m 3)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粗糙的水泥墙或地板0.020.030.030.030.040.07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

2、(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9cm670Kg/m 30.080.100.100.190.270.20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

3、.10.10.5cm 薄木板 (距墙 1015cm)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 5

4、0*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0.160.150.100.100.100.1

5、0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52000.10

6、0.280.740.870.900.83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 30cm2.50.750.800.750.750.800.90玻璃、矿渣棉 空气层为 30cm5.00.800.850.900.850.800.85玻璃、矿渣棉 空气层为 0cm2.50.100.200.350.550.600.65玻璃、矿渣棉 空气层为 10cm2.50.300.700.900.850.800.85玻璃、矿渣棉 空气层为 0cm5

7、.00.200.600.900.900.850.90晴纶棉5.0200.140.370.680.750.780.82珍珠岩砌块,空气层为 0100.400.500.500.450.500.45木丝板,距墙 5cm3.00.050.300.810.630.690.91木丝板,距墙 10cm3.00.090.360.620.530.710.89木丝板,贴墙装5.00.150.230.640.780.870.92木丝板,距墙 10cm5.00.330.930.680.720.830.86水泥刨花板 (木丝板),空 气层 4.59cm1.50.050.100.350.500.450.55水泥刨花板 (

8、木丝板),空 气层 18cm1.50.100.400.400.350.600.60水泥刨花板 (木丝板),空 气层 0cm2.50.050.400.350.650.700.75水泥刨花板 (木丝板),空 气层 4.59cm2.50.100.250.650.600.650.80水泥刨花板 (木丝板),空 气层 18cm2.50.250.600.500.550.700.80水泥刨花板 (木丝板),空 气层 0cm3.00.100.200.550.650.700.75水泥刨花板 (木丝板),空 气层 9cm3.00.250.750.750.500.800.75水泥刨花板 (木丝板),空 气层 0cm

9、5.00.150.350.900.800.850.85水泥刨花板 (木丝板),空 气层 4.59cm5.00.250.650.750.700.750.75水泥刨花板 (木丝板),空 气层 18cm5.00.650.700.500.750.750.70矿棉吸声板1.71500.090.180.500.710.760.81水泥膨胀珍珠岩板83000.340.470.400.370.480.55尿醛泡沫塑料5140.110.300.520.860.910.96尿醛泡沫塑料10120.470.700.870.860.960.97尿醛泡沫塑料离墙 10cm5120.590.840.900.760.970

10、.98聚氨酯吸声泡沫塑料2.5180.120.210.480.700.770.76聚氨酯吸声泡沫塑料5180.160.280.780.690.810.84人造毛墙布、贴墙<360g/m 20.010.050.100.100.250.45人造毛墙布、贴墙360 g/m20.030.040.110.170.240.35人造毛墙布、贴墙500 g/m20.040.070.130.220.330.35棉挂帘, 1/8 面积折叠500 g/m20.030.120.150.270.370.42棉挂帘, 1/4 面积折叠500 g/m20.040.230.400.570.530.40棉挂帘, 1/2

11、面积折叠500 g/m20.070.370.490.810.650.54丝绒,展开310 g/m20.030.040.110.170.240.35丝绒, 1/2 面积折叠430 g/m20.070.310.490.750.700.60丝绒, 1/2 面积折叠475 g/m20.070.320.490.760.710.60丝绒,贴墙611 g/m20.050.120.350.450.380.36丝绒,距墙 1cm611 g/m20.060.260.430.500.400.35丝绒,距墙 2cm611 g/m20.080.280.440.510.290.36丝绒, 1/2 面积折叠611 g/m2

12、0.140.350.550.720.700.65地毯,铺在混凝土上厚0.020.060.150.250.300.35地毯,铺在毡上厚0.080.240.570.690.710.73地毯,铺在地板上0.110.130.280.450.290.29地毯,铺在泡沫或橡胶垫上0.010.050.200.400.600.65草垫3cm0.30.410.630.720.900.97穿孔三合板,孔径0.5cm,孔间距 4cm,离墙 10cm0.040.540.290.090.110.190.穿孔三合板,孔径 cm,孔间距 2.5cm ,离 墙 10cm0.110.350.300.230.230.19钙塑板,

13、孔径 0.7cm,孔 间距 2.5cm ,离墙 5cm0.080.180.390.190.130.11穿孔石膏板,孔径0.4-0.6cm ,孔间距 1.5cm , 离墙 4.5cm0.40.60.020.100.200.300.200.15穿孔石膏板,孔径0.4-0.6cm ,孔间距 1.5cm , 离墙 18cm0.40.60.100.400.300.250.250.15穿孔石膏板,孔径0.6cm,孔间距 2.2cm ,离 墙 4.5cm0.40.60.020.050.400.300.200.20穿孔石膏板,孔径0.6cm,孔间距 2.2cm ,离 墙 18cm0.40.60.100.500

14、.350.200.200.20穿孔石膏板,孔径0.4cm,孔间距 1.5cm , 玻璃棉或矿渣棉 5cm,空 气层 4.5cm0.40.60.150.350.800.500.250.20穿孔石膏板,孔径0.4cm,孔间距 1.5cm , 玻璃棉或矿渣棉 5cm,空 气层 15-18cm0.40.60.400.900.700.500.450.35穿孔石膏板,孔径0.5-0.6cm ,孔间距 1.5cm ,0.40.60.150.350.800.700.450.30玻璃棉或矿渣棉 5cm, 空气层 4.5cm穿孔石膏板,孔径0.5-0.6cm ,孔间距 1.5cm , 玻璃棉或矿渣棉 5cm, 空

15、气层 15-18cm0.40.60.300.800.750.550.450.25穿孔石膏板,孔径0.9cm,孔间距 1.5cm , 玻璃棉或矿渣棉 5cm,空 气层 4.5cm0.40.60.150.300.700.800.600.60穿孔石膏板,孔径0.9cm,孔间距 1.5cm , 玻璃棉或矿渣棉 5cm,空 气层 15-18cm0.40.60.300.800.800.700.650.55穿孔石膏板,孔径0.8cm,孔间距 2.5cm , 玻璃棉或矿渣棉 2.5cm , 空气层 4.5cm0.40.60.100.350.950.650.350.15穿孔石膏板,孔径0.8cm,孔间距 2.5

16、cm , 玻璃棉或矿渣棉 2.5cm , 空气层 15-18cm0.40.60.500.800.900.600.350.20穿孔石膏板,孔径0.8cm,孔间距 1.6cm , 玻璃棉或矿渣棉 4.5cm , 空气层 4.5cm0.40.60.100.300.750.850.550.50穿孔石膏板,孔径0.8cm,孔间距 1.6cm , 玻璃棉或矿渣棉 4.5cm , 空气层 15-18cm0.40.60.350.850.850.700.600.45穿孔石膏板,孔径0.6cm,孔间距 2.2cm , 玻璃棉或矿渣棉 2.5cm , 空气层 4.5cm0.70.90.100.250.700.500

17、.250.25穿孔石膏板,孔径0.6cm,孔间距 2.2cm , 玻璃棉或矿渣棉 2.5cm , 空气层 15-18cm0.70.90.400.850.650.500.300.30穿孔石膏板,孔径 0.6cm,孔间距 1.8cm , 玻璃棉或矿渣棉 4.5cm , 空气层 10cm0.70.90.060.140.530.700.350.35穿孔石膏板,孔径 0.6cm,孔间距 1.8cm , 玻璃棉或矿渣棉 4.5cm , 空气层 50cm0.70.90.710.670.580.480.410.45穿孔石膏板,孔径0.6cm,孔间距 2.2cm , 板后棉花 空气层 4.5cm0.70.90.

18、100.250.700.500.250.25穿孔石膏板,孔径0.70.90.400.750.650.300.250.200.6cm,孔间距 2.2cm , 板后棉花 空气层 15-18cm金属穿孔板,孔径0.08cm,孔间距 0.15cm , 玻璃棉、矿渣棉厚 1.5cm 空气层 15cm0.050.10.150.550.700.600.750.75金属穿孔板,孔径0.5cm,孔间距 1.15cm , 玻璃棉、矿渣棉厚 1.5cm 空气层 15cm0.050.10.100.450.750.600.700.70金属穿孔板,孔径 0. 5cm,孔间距 1.15cm , 玻璃棉、矿渣棉厚 1.5cm

19、 空气层 30-50cm0.050.10.350.600.600.650.700.75金属穿孔板,孔径0.5cm,孔间距 1.15cm , 玻璃棉、矿渣棉厚 2.5cm 空气层 15cm0.050.10.200.600.850.750.700.75金属穿孔板,孔径 0.5cm,孔间距 1.15cm , 板后棉花厚 1.5cm 空气 层 15cm0.050.10.200.550.750.600.600.50穿孔板,孔径 0.4cm,孔 间距 1.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 50cm0.40.60.850.600.700.650.450.35穿孔板,孔径 0.5cm,孔 间距

20、 1.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 30cm0.40.60.700.700.550.600.450.30穿孔板,孔径 0.8cm,孔 间距 2.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 30cm0.40.60.850.850.750.650.400.20穿孔板,孔径 0.6cm,孔 间距 2.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 30cm0.70.90.700.800.600.550.350.25穿孔板,孔径 0.6cm,孔 间距 2.2cm ,板后棉花 空气层 30cm0.70.90.800.650.450.350.250.25穿孔板,孔径 0.6cm

21、,孔 间距 2.2cm ,板后厚纸 空气层 18-30cm0.300.600.70.90.600.600.350.200.250.30穿孔板,孔径 0.500.6cm , 孔 间 距 12.7cm,玻 0.45 璃棉、 矿渣棉厚 5cm 空气层 100.cm0.60.700.300.200.100.100.10穿孔板,孔径 0.6cm,孔0.40.60.500.700.500.650.700.60间距 1.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 30cm穿孔板,孔径 0.6cm,孔 间距 1.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 50cm0.40.60.850.700.7

22、50.800.700.50穿孔板,孔径 0.6cm,孔 间距 1.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 100cm0.40.60.500.700.800.800.600.45穿孔板,孔径 0.9cm,孔 间距 1.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 30cm0.50.60.550.850.650.800.850.75穿孔板,孔径 0.9cm,孔 间距 1.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 50cm0.50.60.850.700.800.900.850.70穿孔板,孔径 0.9cm,孔 间距 1.5cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 100c

23、m0.50.60.550.700.800.850.850.80穿孔板,孔径 0.8cm,孔 间距 1.6cm ,玻璃棉、 矿渣棉厚 2.5cm 空气层 30cm0.40.60.750.850.750.700.650.60金属穿孔板,孔径 0.08cm,孔间距 0.15cm , 玻璃棉、矿渣棉 2.5cm 空气层 30cm0.050.10.650.650.750.700.750.90金属穿孔板,孔径 0.5cm,孔间距 1.15cm , 玻璃棉、矿渣棉 2.5cm 空气层 30-50cm0.050.10.550.750.700.750.750.75金属穿孔板,孔径 0.5cm,孔间距 1.45c

24、m , 玻璃棉、矿渣棉 1.5cm 空气层 30-50cm0.050.10.500.550.600.650.700.45帆布 (+布后厚 2.5cm 玻璃 , 矿渣 ,棉,空气层 20cm)0.500.800.800.450.250.20乙 烯 基 造 革 (+ 后 面 厚2.5cm 玻璃 ,矿渣 ,棉 ,空气 层 25cm)0.10.700.950.550.300.20沥青矿棉毡沥青 含量2-5%1.52000.100.090.180.400.790.92沥青矿棉毡32000.080.170.500.680.810.89沥青矿棉毡62000.190.510.670.680.850.86沥青玻

25、璃毡51000.090.240.550.930.980.98沥青玻璃毡51500.110.330.650.910.960.98沥青玻璃毡52000.140.420.680.800.880.94酚醛树脂 ,玻璃棉 板树脂 含量5-9%纤维 直径13-15 m31000.060.110.260.560.930.97酚醛树脂 ,玻璃棉 板51000.090.260.600.920.980.99酚醛树脂 ,玻璃棉 板101000.300.660.900.910.980.99酚醛树脂 ,玻璃棉 板(空气层 6cm)41000.070.150.380.760.98聚胺脂泡沫塑料聚醚型20.040.070.

26、110.180.380.72聚胺脂泡沫塑料60.100.190.400.800.830.970 聚胺脂泡沫塑 料100.210.430.840.930.940.99聚胺脂泡沫塑料聚脂型2.20.060.100.230.650.64聚胺脂泡沫塑料4.70.200.360.660.640.66聚胺脂泡沫塑料100.480.540.730.660.66微孔聚胺脂泡沫塑料4300.100.140.260.500.820.77粗孔聚胺脂泡沫塑料4400.060.100.200.590.880.85氮基甲酸泡沫塑料2.5250.050.070.260.810.690.81尿醛米波罗3200.100.170

27、.450.670.650.85软质氨基甲酸乙脂泡沫塑料流阻 <20dyn/cm20.100.200.350.550.600.65软质氨基甲酸乙脂泡沫塑料流阻 >20dyn/cm20.100.300.700.900.800.80软质氨基甲酸乙脂泡沫塑料3-50.020.050.100.150.250.55玻璃棉 吸气板, 空气层9-15cm0.300.750.650.600.550.65玻璃棉 吸气板, 空气层30cm0.800.650.600.550.600.65矿棉吸气板 ,贴墙1.20.070.260.470.420.360.28矿棉吸气板 ,空气层 5cm1.20.440.5

28、70.440.350.360.39矿棉吸气板 ,空气层 10cm1.20.550.530.380.330.400.37珍珠岩吸气板1.83400.100.210.320.370.47软纤维板 , 贴墙1.30.080.100.100.120.300.33软纤维板 , 空气层 30cm1.30.350.300.450.650.750.85软纤维板 , 空气层 30cm0.90.400.300.400.400.350.40软纤维板 , 贴墙2.50.120.190.350.480.720.55石棉毛框(穿空板内填 4cm 厚石棉纤维 , 挤压成 型)0.280.4.30.570.570.360.1

29、7麻布蒙在 2*4 的框上 (内填4cm 棉花 )0.800.810.730.580.460.45成型罩式天花板 ( 前后板3cm 厚 ,间距 40cm0.700.690.660.800.840.83观众,站立0.330.410.440.460.460.46观众,在木板椅上0.570.610.750.860.910.86观众,在皮革椅上0.600.740.880.960.930.85空木椅0.020.020.030.0350.050.06空皮软椅0.440.640.600.620.580.50空蒙布软椅0.490.660.800.880.820.70空舞台0.300.350.400.450.5

30、00.50空听众席(含 1 米走道)0.540.660.750.850.830.75通风口0.160.200.300.350.290.21若以单个吸声体的吸声量计( m2)观众0.130.330.440.420.460.37人在木椅上0.15-0.220.33-0.360.37-0.420.40-0.450.42-0.500.45-0.51人在皮椅上0.230.340.370.330.340.31人造革椅0.210.180.300.280.150.10木椅、软垫椅0.02-0.090.02-0.130.03-0.150.04-0.110.04-0.110.04-0.07帘幕材料空腔深度(cm)打褶程 度 (%)面密度(kg/m2)下述频率的吸声系数 (HZ)1252505001000

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