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ρ0导热系数λ蓄热系数S(周期比热容c蒸汽渗透系数µ(kg/m3)[W/(m·℃):[w/(m²·℃)][KJ/(kg·℃)][g/(m·h·Pa)]1混凝土1.1普通混凝土钢筋混凝土25001.7417.200.920.0000158﹡碎石、卵石混23001.5115.360.920.0000173﹡凝土21001.2813.570.920.0000173﹡1700111.681.050.0000548﹡15000.769.541.050.0000913000.567.631.050.00010517000.9511.401.050.000018815000.79.161.050.000097513000.577.781.050.00010511000.446.301.050.00013516000.8410.361.050.0000315﹡14000.78.931.050.000039﹡12000.537.251.050.0000405﹡13000.527.390.980.0000855﹡15000.779.651.050.0000315﹡13000.638.161.050.000039﹡11000.56.701.050.0000435﹡火山灰渣、砂、水泥混凝土17000.576.300.570.0000395﹡15000.679.091.0513000.537.541.050.0000188﹡11000.426.131.050.0000353﹡1.2轻混凝土7000.223.591.050.0000998﹡5000.192.811.050.000111﹡2砂浆和砌体2.1砂浆水泥砂浆18000.9311.371.050.000021﹡石灰水泥砂浆17000.8710.751.050.0000975﹡石灰砂浆16000.8110.071.050.0000443﹡石灰石膏砂浆15000.769.441.05保温砂浆8000.294.441.052.2砌体重砂浆砌筑粘土砖砌体18000.8110.631.050.000105﹡轻砂浆砌筑粘土砖砌体17000.769.961.050.00012灰砂砖砌体19001.112.721.050.000105硅酸盐砖砌体18000.8711.111.050.000105炉渣砖砌体17000.8110.431.050,000105重砂浆砌筑26、33及36孔粘土空心砖砌体14000.587.921.050.0000158蒸压灰砂空心砖砌体15000.798.121.07自然煤矸石、炉渣混凝土常用建筑材料热物理性能计算参数表4.2-12摘自《暖通空调常用数据手册》序号材料名称干密度计算参数粉煤灰陶粒混凝土粘土陶粒混凝土油页岩渣、石灰、水泥混凝土、页岩陶粒混凝土浮石混凝土加气混凝土、泡沫混凝土3热绝缘材料≤800.0500.591.2280~2000.0450.751.220.000488≤700.0500.581.3470~2000.0450.771.340.000488≤700.0500.460.8470~1200.0450.510.840.000488聚乙烯泡沫塑料≤1200.0470.701.38聚苯乙烯泡沫塑料300.0420.361.380.0000162聚氨酯硬泡沫塑料300.0270.231.380.0000234聚氨酯硬泡沫塑料400.0250.391.380.0000226聚氯乙烯硬泡沫塑料1300.0480.831.38挤塑聚苯乙烯泡沫塑料30~400.0280.281.380.0000057橡塑复合保温材料30~600.0350.281.380.0000162玻璃棉板、毡400.0370.521.06松散玻璃棉材料25~500.040.430.76防水珍珠岩板150~2000.061.061.320.0000561﹡复合珍珠盐保温板160~2200.0651.041.150.0003118﹡3000.264.371.170.000042﹡5000.213.441.170.00009﹡4000.162.491.170.000191﹡4000.122.281.550.0000293﹡3000.0931.771.550.0000675﹡水泥膨胀蛭石3500.141.991.054建筑板材胶合板6000.174.572.510.00002253000.0931.951.890.0000255*1500.0581.091.890.0000285*10000.348.132.510.000126000.235.282.5l0.000113石膏板10500.335.281.050.000079*纸面石膏板11000.314.731.160.0000329纤维石膏板11500.35.201.230.0000373石棉水泥板18000.528.521.050.0000135*石棉水泥隔热板5000.162.581.050.0003910000.347.272.010.000024*7000.194.562.010.000105稻草板3000.132.331.680.0003木屑板2000.0651.542.10.000263硬质PVC板14000.168.210.780铝塑复合板13800.45钙塑复合板2500.0740.361.32轻质硅酸钙板5000.1160.411.35纤维增强硅酸钙板7500.250.771.285松散材料锅炉渣10000.294.400.920.000193粉煤灰10000.233.930.92高炉炉渣9000.263.920.920.0002033.33.1矿棉、岩棉板矿棉、岩棉毡松散矿棉、岩棉材料3.23.43.5水泥膨胀珍珠岩沥青、乳化沥青膨胀珍珠岩4.1软木板纤维板4.24.3水泥刨花板4.45.1浮石、凝灰岩6000.233.050.920.000263膨胀蛭石3000.141.791.05膨胀蛭石2000.11.241.05硅藻土2000.0761.000.92膨胀珍珠岩1200.070.841.17膨胀珍珠岩800.0580.631.175.2有机材料木屑2500.0931.842.010.000263稻壳1200.061.022.0l干草1000.0470.832.015.3木材橡木、枫树(热流方向垂直木纹)7000.174.902.510.0000562橡木、枫树(热流方向顺木纹)7000.356.932.510.0003松、枞木、云杉(热流方向垂直木纹)5000.143.852.5l0.0000345松、枞木、云杉(热流方向顺木纹)5000.295.552.5l0.0001686其他材料6.1土壤20001.1612.991.0118000.9311.031.0116000.769.371.0114000.587.691.01轻质粘士120D0.476.361.0l建筑用砂16000.588.261.0l6.2石材花岗岩、玄武岩28003.4925.490.920.0000113大理石28002.9123.270.920.0000113砾石、石灰岩24002.0418.030.920.0000375石灰石20001.1612.560.920.000066.3卷材、沥青材料SBS改性沥青防水卷材9000.239.371.620.0000052APP改性沥青防水卷材10500.239.371.620.0000052合成高分子防水卷材5800.156.071.140.0000039沥青油毡、油毡纸6000.173.331.47地沥青混凝土21001.0516.391.680.000007514000.276.731.6810500.174.711.680.00000756.4玻璃平板玻璃25000.7610.690.840玻璃钢18000.529.251.260碳酸钙玻璃2500111.250.810PMMA(有机玻璃)11800.187.641.020聚碳酸脂12000.28.171.1306.5金属紫铜8500407324.000.420青铜800064118.000.380建筑钢材785058.2126.000.480铝2700203191.000.920铸铁725049.9112.000.48夯实粘土加草粘土石油沥青注:1.在正常使用条件下,材料的热物理性能计算参数可按表4.2-11直接采用2.在有表4.2-12所列情况者,材料的导热系数计算值应按下式修正:式中、——材料的导热系数和蓄热系数,按表4.2-11采用;——修正系数,按表4.2-12采用。5.在表4.2-11中带*号者为测定值,试验温度为20℃左右,未扣除两侧边界层蒸汽渗透阻的影响。序号α11.621.531.241.251.361.2571.281.1591.05101.1111.2121.3131.05作为夹芯层浇筑在混凝土构件中的泡沫塑料等,因压缩3.在供暖期平均相对湿度为50%以下的干燥地区,重砂浆砌筑的粘土砖砌体导热系数可采用λ=0.76W/(m·℃),蓄热系数可采用S=10.16W/(m·℃),轻砂浆砌筑的粘土砖砌体导热系数可采用λ=0.70W/(m·℃)。蓄热系数可采用S=9.47W/(m·℃)。4.在表4.2-11中比热容C的单位为法定单位。但在实际计算中比热容C的单位应取W·h/(kg·K),因此,表中数值应乘以换算系数0.2778。导热系数λ及蓄热系数S的修正系数α值表4.2-12材料、构造、施工、地区、及使用情况作为夹芯层浇筑在混凝土墙体及屋面构件中的块状多孔保温材料(如加气混凝土、泡沫混凝土及水泥膨胀珍珠岩等),因干燥缓慢及灰缝影响铺设在密闭屋面中的多孔保温材料(如加气混凝土、泡沫混凝土、水泥膨胀珍珠岩、石灰炉渣等)因干燥缓慢铺设在密闭屋面中及作为夹芯层浇筑在混凝土构件中的半硬质矿棉、岩棉、玻璃棉板等,因压缩及吸湿EPS(聚苯乙烯泡沫塑料)板现浇混凝土外墙外保温系统EPS(聚苯乙烯泡沫塑料)钢丝网架板现浇混凝土外墙外保温系统聚氨酯硬泡沫屋面保温、外墙外保温系统开孔型保温材料(如水泥刨花板、木丝板、稻草板等),表面抹灰或与混凝土浇筑在一起,因灰浆掺入加气混凝土、泡沫混凝土砌砖墙体及加气混凝土条板墙体、屋面、因灰缝影响填充在空心墙体及屋面构件中的松散保温材料(如稻壳、木屑、矿棉、岩棉等),因下沉矿渣混凝土、炉渣混凝土、浮石混凝土、粉煤灰陶粒混凝土、加气混凝土等实心墙体及屋面构件,在严寒地区,且在室内平均相对湿度超过65%的供暖房间内使用,因干燥缓慢聚苯乙烯挤塑板屋面隔热及聚苯乙烯挤塑板外墙外保温技术体系EPS(聚苯乙烯泡沫塑料)薄抹灰、胶粉EPS(聚苯乙烯泡沫塑料)颗粒外墙外保温技术体系ccSSS5.在表4.2-11中带*号者为测定值,试验温度为20℃左右,未扣除两侧边界层蒸汽渗透阻的影响。
本文标题:建筑材料热物理特性表(《暖通空调常用数据手册》第二版)
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