外墙外保温体系热工计算书

1、外墙外保温隔热体系热工计算书摘要：按钢筋混凝土墙体、混凝土小型空心砌块墙体、加气混凝土砌块墙体、粘土实心砖墙体、粘土多砖墙体、蒸压灰砂砖墙体、烧结页岩砖墙体、蒸压粉煤灰砖墙体、粘土陶粒混凝土空心砌块墙体等多种墙体对胶粉聚苯颗粒、带燕尾槽聚苯板、单面钢丝网架聚苯板、粘贴聚苯板、聚氨酯等五种外保温隔热体系进行热工计算。关键词：热工、计算、传热系数、热惰性指标1 计算依据GB 50176-1993 民用建筑热工设计规范JGJ 26-1995 民用建筑节能设计标准（采暖居住建筑部分）JGJ 134-2001 夏热冬冷地区居住建筑节能设计标准JGJ 75-2003 夏热冬暖地区居住建筑节能设计标准2 基

2、本数据2.1 导热系数或热阻各层材料导热系数或热阻见表1。表1 材料导热系数或热阻材料名称导热系数W/m·K热阻m2·K /W蓄热系数W/m2·K修正系数胶粉聚苯颗粒0.059-0.951.2带燕尾槽聚苯板0.042-0.361.1粘贴用聚苯板0.042-0.361.1单面钢丝网架聚苯板0.042-0.361.55无溶剂聚氨酯硬泡0.025-0.361钢筋混凝土1.74-17.201混凝土小型空心砌块（190mm）-0.216.681加气混凝土砌块（200mm、250mm）0.19-2.811.25粘土实心砖0.81-10.631粘土多孔砖0.58-7.921蒸压

3、灰砂砖1.10-12.721烧结页岩砖0.76-9.961蒸压粉煤灰砖0.62-9.161粘土陶粒混凝土空心砌块0.53-7.251粘贴聚苯板的空气间层（10mm）-0.1401内墙抹灰用混合砂浆0.87-10.751水泥抗裂砂浆0.93-11.3712.2 各部分面积（本计算中未注明单位处单位一律为mm）按层高2700、开间3300进行计算，窗户大小按1500×1500进行计算，图1。Fb1=0.24×2.7=0.648m2Fb2=(3.3-0.24)×0.14=0.428m2Fb3=(3.3-0.24)×0.16=0.490m2Fp=3.3×

4、;2.7-1.5×1.5-0.648-0.428-0.490=5.094 m22.3 外墙平均传热系数计算图1 外保温隔热墙体构造3 外保温热工计算3.1 现浇混凝土200墙体3.1.1 胶粉聚苯颗粒外保温（20厚混合砂浆，200厚钢筋混凝土墙体，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.1.2 带燕尾槽聚苯板外保温（20厚混合砂浆，200厚钢筋混凝土墙体，厚带燕尾槽聚苯板，20厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.1.3 单面钢丝网架聚苯板外保温（20厚混合砂浆，200厚钢筋混凝土墙体，厚单面钢丝网架聚苯板，20厚胶粉聚苯颗粒找平层

5、，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.1.4 粘贴聚苯板外保温（20厚混合砂浆，200厚钢筋混凝土墙体，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.1.5 无溶剂聚氨酯硬泡外保温（20厚混合砂浆，200厚钢筋混凝土墙体，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表2。表2 钢筋混凝土200墙体外保温厚度选用表mm胶粉聚苯颗粒带燕尾槽聚苯板单面钢丝网架聚苯板粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KDRm2·K/W

6、KmW/m2·KDRm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KD100.282.312.450.641.272.690.581.372.690.641.272.530.761.112.67150.361.992.530.751.112.740.661.242.740.751.112.570.960.912.74200.431.742.610.860.992.780.731.132.780.860.992.621.160.772.81250.501.552.690.970.902.820.811.042.820.970.902.

7、661.360.672.89300.571.402.771.080.822.860.890.972.861.070.822.701.560.592.96350.641.272.851.180.752.910.960.902.911.180.752.751.760.533.03400.711.172.931.290.692.951.040.842.951.290.702.791.960.483.10450.781.083.011.400.652.991.120.792.991.400.652.832.160.433.17500.851.003.091.510.603.041.190.753.04

8、1.510.602.872.360.403.25550.920.943.171.620.573.081.270.703.081.620.572.922.560.373.32600.990.883.251.720.533.121.350.673.121.720.532.962.760.343.39651.060.833.331.830.503.161.420.643.161.830.513.002.960.323.46701.130.783.411.940.483.211.500.613.211.940.483.053.160.303.53751.200.743.492.050.463.251.

9、580.583.252.050.463.093.360.293.61801.270.703.572.160.433.291.650.553.292.160.433.133.560.273.68851.340.673.652.270.413.341.730.533.342.260.413.173.760.263.75901.410.643.732.370.403.381.810.513.382.370.403.223.960.243.82951.490.613.812.480.383.421.890.493.422.480.383.264.160.233.891001.560.593.902.5

10、90.373.461.960.473.462.590.373.304.360.223.973.2 混凝土小型空心砌块190墙体3.2.1 胶粉聚苯颗粒外保温（20厚混合砂浆，190厚混凝土小型空心砌块，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.2.2 粘贴聚苯板外保温（20厚混合砂浆，190厚混凝土小型空心砌块，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.2.3 无溶剂聚氨酯硬泡外保温（20厚混合砂浆，190厚混凝土小型空心砌块，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表3。表3 混凝

11、土小型空心砌块190墙体外保温厚度选用表mm胶粉聚苯颗粒粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KD100.382.001.870.741.171.960.851.032.10150.451.751.950.841.032.001.050.852.17200.521.562.030.950.932.041.250.732.24250.591.402.111.060.852.091.450.642.31300.661.282.191.170.772.131.650.56

12、2.38350.731.172.271.280.712.171.850.512.46400.801.082.361.390.662.212.050.462.53450.871.002.441.490.622.262.250.422.60500.940.942.521.600.582.302.450.392.67551.020.882.601.710.552.342.650.362.74601.090.832.681.820.522.392.850.342.82651.160.782.761.930.492.433.050.322.89701.230.742.842.030.462.473.25

13、0.302.96751.300.702.922.140.442.513.450.283.03801.370.673.002.250.422.563.650.263.10851.440.643.082.360.402.603.850.253.18901.510.613.162.470.392.644.050.243.25951.580.593.242.580.372.694.250.233.321001.650.563.322.680.362.734.450.223.393.3 加气混凝土砌块200墙体3.3.1 胶粉聚苯颗粒外保温（20厚混合砂浆，200厚加气混凝土砌块，厚胶粉聚苯颗粒，5厚聚

14、合物抗裂砂浆）主体部位： 热桥部位：3.3.2 粘贴聚苯板外保温（20厚混合砂浆，200厚加气混凝土砌块，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.3.3 无溶剂聚氨酯硬泡外保温（20厚混合砂浆，200厚加气混凝土砌块，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表4。表4 加气混凝土砌块200墙体外保温厚度选用表mm胶粉聚苯颗粒粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KD101.

15、011.213.431.370.803.511.480.733.65151.081.093.511.480.733.561.680.633.72201.151.003.591.580.683.601.880.563.80251.220.933.671.690.633.642.080.503.87301.290.863.751.800.593.682.280.453.94351.360.813.831.910.553.732.480.414.01401.440.763.912.020.523.772.680.384.08451.510.723.992.130.493.812.880.354.16

16、501.580.684.072.230.463.863.080.334.23551.650.654.152.340.443.903.280.314.30601.720.624.232.450.423.943.480.294.37651.790.594.312.560.403.983.680.284.44701.860.574.392.670.384.033.880.264.52751.930.544.472.780.374.074.080.254.59802.000.524.552.880.354.114.280.244.66852.070.504.632.990.344.164.480.23

17、4.73902.140.484.723.100.334.204.680.224.80952.210.474.803.210.324.244.880.214.881002.280.454.883.320.314.285.080.204.953.4 加气混凝土砌块250墙体3.4.1 胶粉聚苯颗粒外保温（20厚混合砂浆，250厚加气混凝土砌块，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.4.2 粘贴聚苯板外保温（20厚混合砂浆，250厚加气混凝土砌块，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.4.3 无溶剂聚氨酯硬泡外保温（20厚混合砂

18、浆，250厚加气混凝土砌块，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表5。表5 加气混凝土砌块250墙体外保温厚度选用表mm胶粉聚苯颗粒粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KD101.221.074.171.580.734.251.690.674.39151.290.984.251.690.674.301.890.584.46201.360.904.331.800.624.342.090.524.54251.430.

19、844.411.900.584.382.290.474.61301.500.784.492.010.544.422.490.434.68351.580.734.572.120.514.472.690.394.75401.650.694.652.230.484.512.890.364.82451.720.664.732.340.464.553.090.344.90501.790.634.812.440.434.603.290.324.97551.860.604.892.550.414.643.490.305.04601.930.574.972.660.404.683.690.285.11652.

20、000.555.052.770.384.723.890.265.18702.070.535.132.880.364.774.090.255.26752.140.515.212.990.354.814.290.245.33802.210.495.293.090.344.854.490.235.40852.280.475.373.200.324.904.690.225.47902.350.455.453.310.314.944.890.215.54952.420.445.543.420.304.985.090.205.621002.490.435.623.530.295.025.290.195.6

21、93.5 粘土实心砖240墙体3.5.1 胶粉聚苯颗粒外保温（20厚混合砂浆，240厚粘土实心砖，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.5.2 粘贴聚苯板外保温（20厚混合砂浆，240厚粘土实心砖，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.5.3 无溶剂聚氨酯硬泡外保温（20厚混合砂浆，240厚粘土实心砖，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表6。表6 粘土实心砖240墙体外保温厚度选用表mm胶粉聚苯颗粒粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm

22、2·K/WKmW/m2·KDRm2·K/WKmW/m2·KD100.471.763.620.821.083.700.940.963.84150.541.573.700.930.973.751.140.803.92200.611.413.781.040.873.791.340.693.99250.681.283.861.150.803.831.540.614.06300.751.173.941.260.733.881.740.544.13350.821.084.021.360.683.921.940.494.20400.891.004.101.470.63

23、3.962.140.454.28450.960.944.181.580.594.002.340.414.35501.030.884.261.690.564.052.540.384.42551.100.834.341.800.534.092.740.354.49601.170.784.421.900.504.132.940.334.56651.240.744.502.010.474.183.140.314.64701.310.704.592.120.454.223.340.294.71751.380.674.672.230.434.263.540.274.78801.450.644.752.34

24、0.414.303.740.264.85851.530.614.832.450.394.353.940.254.92901.600.594.912.550.384.394.140.245.00951.670.564.992.660.364.434.340.225.071001.740.545.072.770.354.484.540.225.143.6 粘土实心砖370墙体按层高2700、开间3300进行计算，窗户大小按1500×1500进行计算（图2）。Fb1=0.24×2.7=0.648m2Fb2=(3.3-0.24)×0.14=0.428m2Fb3=(3.3-

25、0.24)×0.10=0.306m2Fb4=(3.3-0.24)×0.06=0.184m2Fp=3.3×2.7-1.5×1.5-0.648-0.428-0.306-0.184=5.094 m2图2 实心砖（空心砖）370墙体保温隔热构造3.6.1 胶粉聚苯颗粒外保温（20厚混合砂浆，370厚粘土实心砖，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.6.2 粘贴聚苯板外保温（20厚混合砂浆，370厚粘土实心砖，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.6.3 无溶剂聚氨酯硬泡外保温（20厚混合砂浆

26、，370厚粘土实心砖，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表7。表7 粘土实心砖370墙体外保温厚度选用表mm胶粉聚苯颗粒粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KD100.631.385.320.980.925.411.100.835.47150.701.265.411.090.845.451.300.715.54200.771.155.491.200.775.501.500.625.61250.841.075.5

27、71.310.715.541.700.565.68300.910.995.651.420.665.581.900.505.76350.980.935.731.520.615.622.100.455.83401.050.875.811.630.585.672.300.425.90451.120.825.891.740.545.712.500.385.97501.190.775.971.850.515.752.700.366.04551.260.736.051.960.495.802.900.336.12601.330.706.132.070.465.843.100.316.19651.400.6

28、66.212.170.445.883.300.296.26701.470.636.292.280.425.923.500.286.33751.540.616.372.390.405.973.700.266.40801.620.586.452.500.386.013.900.256.48851.690.566.532.610.376.054.100.246.55901.760.546.612.710.356.104.300.236.62951.830.526.692.820.346.144.500.226.691001.900.506.772.930.336.184.700.216.763.7

29、粘土多孔砖240墙体3.7.1 胶粉聚苯颗粒外保温（20厚混合砂浆，240厚粘土多孔砖，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.7.2 粘贴聚苯板外保温（20厚混合砂浆，240厚粘土多孔砖，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.7.3 无溶剂聚氨酯硬泡外保温（20厚混合砂浆，240厚粘土多孔砖，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表8。表8 粘土多孔砖240墙体外保温厚度选用表mm胶粉聚苯颗粒粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm2

30、3;K/WKmW/m2·KDRm2·K/WKmW/m2·KD100.581.573.750.940.993.831.050.893.97150.651.403.831.050.903.881.250.754.04200.721.273.911.160.823.921.450.654.12250.801.163.991.260.753.961.650.584.19300.871.074.071.370.694.001.850.524.26350.941.004.151.480.644.052.050.474.33401.010.934.231.590.604.092

31、.250.434.40451.080.874.311.700.564.132.450.404.48501.150.824.391.810.534.182.650.374.55551.220.784.471.910.504.222.850.344.62601.290.734.552.020.484.263.050.324.69651.360.704.632.130.454.303.250.304.76701.430.674.712.240.434.353.450.284.84751.500.644.792.350.414.393.650.274.91801.570.614.872.460.394

32、.433.850.254.98851.640.584.952.560.384.484.050.245.05901.710.565.032.670.364.524.250.235.12951.780.545.122.780.354.564.450.225.201001.850.525.202.890.344.604.650.215.273.8 粘土多孔砖370墙体3.8.1 胶粉聚苯颗粒外保温（20厚混合砂浆，370厚粘土多孔砖，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.8.2 粘贴聚苯板外保温（20厚混合砂浆，370厚粘土多孔砖，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚

33、聚合物抗裂砂浆）主体部位： 热桥部位：3.8.3 无溶剂聚氨酯硬泡外保温（20厚混合砂浆，370厚粘土多孔砖，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表9。表9 粘土多孔砖370墙体外保温厚度选用表mm胶粉聚苯颗粒粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KD100.811.175.521.160.825.611.280.755.67150.881.075.601.270.755.651.480.655.74200.951

34、.005.681.380.695.691.680.575.81251.020.935.761.490.645.741.880.515.88301.090.875.841.600.605.782.080.475.95351.160.825.921.710.575.822.280.436.03401.230.776.001.810.535.862.480.396.10451.300.736.091.920.505.912.680.366.17501.370.706.172.030.485.952.880.346.24551.440.666.252.140.455.993.080.326.31601

35、.510.636.332.250.436.043.280.306.39651.580.616.412.350.416.083.480.286.46701.660.586.492.460.406.123.680.276.53751.730.566.572.570.386.163.880.256.60801.800.546.652.680.366.214.080.246.67851.870.526.732.790.356.254.280.236.75901.940.506.812.900.346.294.480.226.82952.010.486.893.000.336.344.680.216.8

36、91002.080.476.973.110.316.384.880.206.963.9 蒸压灰砂砖240墙体3.9.1 胶粉聚苯颗粒外保温（20厚混合砂浆，240厚蒸压灰砂砖，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.9.2 粘贴聚苯板外保温（20厚混合砂浆，240厚蒸压灰砂砖，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.9.3 无溶剂聚氨酯硬泡外保温（20厚混合砂浆，240厚蒸压灰砂砖，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表10。表10 蒸压灰砂砖240墙体外保温厚度选用表mm胶

37、粉聚苯颗粒粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KD100.391.953.240.741.153.330.861.013.47150.461.713.330.851.023.371.060.843.54200.531.523.410.960.923.421.260.723.61250.601.383.491.070.843.461.460.633.69300.671.253.571.180.773.501.660.563.76350.741.153.651.290

38、.713.541.860.503.83400.811.063.731.390.663.592.060.463.90450.880.993.811.500.613.632.260.423.97500.950.933.891.610.583.672.460.394.05551.020.873.971.720.543.722.660.364.12601.090.824.051.830.513.762.860.334.19651.160.774.131.930.483.803.060.314.26701.240.734.212.040.463.843.260.304.33751.310.704.292

39、.150.443.893.460.284.41801.380.664.372.260.423.933.660.264.48851.450.634.452.370.403.973.860.254.55901.520.614.532.480.384.024.060.244.62951.590.584.612.580.374.064.260.234.691001.660.564.692.690.354.104.460.224.773.10 烧结页岩砖240墙体3.10.1 胶粉聚苯颗粒外保温（20厚混合砂浆，240厚烧结页岩砖，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.10.2

40、粘贴聚苯板外保温（20厚混合砂浆，240厚烧结页岩砖，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.10.3 无溶剂聚氨酯硬泡外保温（20厚混合砂浆，240厚烧结页岩砖，厚聚氨酯，15厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：计算结果见表11。表11 烧结页岩砖240墙体外保温厚度选用表mm胶粉聚苯颗粒粘贴聚苯板聚氨酯Rm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KDRm2·K/WKmW/m2·KD100.491.733.610.841.063.700.960

41、.953.84150.561.543.700.950.953.741.160.803.91200.631.383.781.060.863.791.360.693.98250.701.263.861.170.793.831.560.604.06300.771.153.941.270.733.871.760.544.13350.841.074.021.380.673.911.960.494.20400.910.994.101.490.633.962.160.444.27450.980.934.181.600.594.002.360.414.34501.050.874.261.710.554.042

42、.560.384.42551.120.824.341.820.524.092.760.354.49601.190.774.421.920.494.132.960.334.56651.260.734.502.030.474.173.160.314.63701.330.704.582.140.454.213.360.294.70751.400.664.662.250.434.263.560.274.78801.470.634.742.360.414.303.760.264.85851.540.614.822.470.394.343.960.254.92901.620.584.902.570.374.394.160.234.99951.690.564.982.680.364.434.360.225.061001.760.545.062.790.354.474.560.215.143.11 蒸压粉煤灰砖240墙体3.11.1 胶粉聚苯颗粒外保温（20厚混合砂浆，240厚蒸压粉煤灰砖，厚胶粉聚苯颗粒，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.11.2 粘贴聚苯板外保温（20厚混合砂浆，240厚蒸压粉煤灰砖，厚粘贴聚苯板，10厚胶粉聚苯颗粒找平层，5厚聚合物抗裂砂浆）主体部位： 热桥部位：3.11.3 无溶剂聚氨酯硬泡外保温（20厚混合砂浆，240厚蒸压粉煤灰砖，厚聚氨酯，15