论文部分内容阅读
近几年来,我单位承建了几栋住宅楼,预制圆孔板板缝之间没有出现开裂,具体做法如下。1.预制空心楼板安装时,板底必须找平,铺垫水泥砂浆,厚度为10毫米左右,板伸到砖墙上的长度不小于100毫米。搭在混凝土圈梁上的长度不小于80毫米。2.板缝底面的宽度不应该小
In recent years, our company has built several residential buildings. There is no cracking between prefabricated circular hole plate joints. The specific practices are as follows. 1. When the prefabricated hollow floor slab is installed, the bottom of the slab must be leveled and laid with a cement mortar with a thickness of about 10 mm. The length of the slab extending to the brick wall is not less than 100 mm. The length of the concrete ring beam is not less than 80 mm. 2. The width of the bottom of the board seam should not be small