NEW BUILDING MATERIALS (2)混凝土梁柱部分传热系数 Rh 为: Rh=Ri+R1+R2+R3+R4+Re 式中:Ri—内表面换热阻,0.11 m2·K/W; R1—混合砂浆层热阻,0.02/0.87=0.023 m2·K/W; R2—混凝土热阻,0.24/1.74=0.138 m2·K/W; R3—聚合物保温砂浆层热阻,0.020/(0.11×1.2)=0.152 m2· K/W; R4—水泥砂浆层热阻,0.0080/0.93=0.009 m2·K/W; Re 外表面换热阻,0.05 m2·K/W。 则:Rh=0.11+0.023+0.138+0.152+0.009+0.05 =0.482 m2·K/W Kz= 1 Rh =2.075 W/(m2·K) 按浙江省《居住建筑节能设计标准》附录 A 外墙平均传 热系数的计算方法计算: Km=(Sh×Kh+Sz×Kz)/(