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Sandwich insulation board material combinations
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Sandwich insulation board material combinations
外墻夾心保溫是將保溫材料置于同一外墻的內、外側墻片之間,內、外側墻片均可采用傳統(tǒng)的粘土磚、混凝土空心砌塊等。因此,1)這些傳統(tǒng)材料的防水、耐候等性能均良好,對內側墻片和保溫材料形成有效的保護,對保溫材料的選材要求不高,聚苯乙烯、玻璃棉、巖棉等材料均可使用;2)對施工季節(jié)和施工條件的要求不十分高,不影響冬期施工。近年來,在黑龍江、內蒙古、擴肅北部等嚴寒地區(qū)得到的應用。
由于在非嚴寒地區(qū),此類墻體與傳統(tǒng)墻體相比尚偏厚,且內、外側墻片之間需有連接件連接,構造較傳統(tǒng)墻體復雜以及地震區(qū)建筑中圈梁和構造柱的設置,尚有熱橋存在。保溫材料的效率仍然得不到充分的發(fā)揮。
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