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使用预应力空心楼板的房屋,在空心楼板安装灌缝以后,普遍存在着板间接缝开裂的现象,它直接影响到室内的美观和使用功能。针对这个质量通病,笔者从板缝的设计与施工方面谈一下如何有效地解决这个问题,和大家共同探讨。一、楼板接缝开裂的原因1.灌缝用砂浆或细石混凝土振捣不密实,在楼板
The use of prestressed hollow floor of the house, in the hollow floor after the installation of filling joints, the prevalence of cracks in the joints between the plate, which directly affects the appearance of the interior and the use of functions. For this common quality problems, the author from the slot design and construction talk about how to effectively solve this problem, and we discuss. First, the reasons for cracks in the floor joints 1. Grouting mortar or fine-grained concrete vibrated not compacted, in the floor