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NEW BUILDING MATERIALS (2)混凝土梁柱部分傳熱系數(shù) Rh 為: Rh=Ri+R1+R2+R3+R4+Re 式中:Ri—內(nèi)表面換熱阻,0.11 m2·K/W; R1—混合砂漿層熱阻,0.02/0.87=0.023 m2·K/W; R2—混凝土熱阻,0.24/1.74=0.138 m2·K/W; R3—聚合物保溫砂漿層熱阻,0.020/(0.11×1.2)=0.152 m2· K/W; R4—水泥砂漿層熱阻,0.0080/0.93=0.009 m2·K/W; Re 外表面換熱阻,0.05 m2·K/W。 則: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《居住建筑節(jié)能設(shè)計標(biāo)準(zhǔn)》附錄 A 外墻平均傳 熱系數(shù)的計算方法計算: Km=(Sh×Kh+Sz×Kz)/(