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近年来,常州地区多数商品房住宅楼及部分其他建筑物外墙均采用一般抹灰来进行装饰,有的在抹灰面层上增刷了彩色涂料。由于设计或施工方面的原因,使用后相当一部分抹灰层存在不同程度的渗漏、脱层、裂缝、空鼓现象,我们对这些质量通病进行了跟踪观察、研讨,找到了成因及产生机理,有针对性地制定了预防措施,收到了良好的效果。一、一般抹灰的种类和外墙涂料1.目前,一般抹灰共有三种作法:(1)混合砂浆底层和面层;(2)水泥砂浆
In recent years, most of the residential buildings in Changzhou area and some other buildings have been plastered with ordinary plastering, and some have been painted with colored paint on the plastering surface. Due to the design or construction reasons, a considerable part of the plaster layer after use has different degrees of leakage, delamination, cracks, empty drum phenomenon, we follow these quality common defects observed, discussed, found the cause and the production mechanism, Targeted preventive measures were formulated and good results were received. First, the types of general plastering and exterior paint 1. At present, there are three methods for plastering: (1) mixing mortar bottom layer and surface layer; (2) cement mortar