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从60年代中起.加气混凝土墙板、屋面板和砌块等制品已广泛应用于我国工业与民用建筑中,成为一种新型的建筑材料。鉴于加气混凝土饰面的做法,不少操作人员袭用砖墙上的传统抹荻工艺,使得墙面抹灰层出现裂缝、空鼓,以至脱落等质量通病,其主要原因是施工人员未掌握加气混凝土的性能和特点。加气混凝土是一种轻质多孔建筑材料,与常用的粘土砖相比,在影响饰面质量的材料性质方面有以下不同:1.吸木特性:虽然加气混凝土表面空隙大,可是封闭性和半封闭性的毛细管却阻碍了木分的渗透,
Since the mid-1960s, products such as aerated concrete wall panels, roof panels and blocks have been widely used in China’s industrial and civil buildings, and have become a new type of building material. In view of the practice of aerated concrete finishes, many operators used the traditional plastering process on brick walls to make cracks, emptying, and even falling-off of the wall’s plastering layer. The main reason for this is that construction workers have not mastered the addition. Air concrete performance and characteristics. Aerated concrete is a kind of lightweight porous building material. Compared with commonly used clay bricks, it has the following differences in the material properties that affect the quality of facings: 1. Characteristics of the sucker: Although the surface of the aerated concrete is large, it is closed. And the semi-closed capillaries hindered the penetration of the wood,