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民用建筑中大多采用装配式楼面板及屋面板,此法虽可节省模板提高施工进度,但是作为屋面板采用装配式,其弊远大于利。其一,顶棚的顺板裂缝难以根治,由于装配式屋盖的板与板之间是无筋连接的,在季节性及室内外温差的影响下,顶棚很容易产生顺板裂缝(在工程监督及质量回访中发现,顶层裂缝远远多于其他层),特别是随着时间的推移,裂缝会更多更明显,从而给屋面的保温、防水带来不良影响,也给用户带来不安
Most residential buildings use prefabricated floor panels and roof panels. Although this method can save the number of templates and increase the construction progress, the use of assembly as roof panels has far more advantages than profits. First, the cracks along the ceiling of the roof are difficult to cure. Since the plates and plates of the fabricated roof are connected with no ribs, under the influence of seasonal and indoor and outdoor temperature differences, the ceiling is prone to cracks along the way (in engineering supervision During the quality visit, it was found that the cracks on the top layer were much larger than other layers. Especially as time went on, the cracks would be more and more obvious, which would have adverse effects on the thermal insulation and waterproofing of the roof, and it would also cause discomfort to users.