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混合结构纵墙的圈梁,一般是下皮标高与预制板底平,横墙圈梁设在板下面。一、纵墙圈梁施工时,内侧以楼板作为模板,外侧一般先砌单皮砖(12厘米)。由于混凝土的侧压力,往往将这行单砖墙挤胀,当立缝砌筑不严时,容易从缝中流出水泥浆,浇灌混凝土如果不注意,也会从砖顶溢出水泥浆,使清水墙面污染。防治方法是:
The ring beams of the vertical wall of the mixed structure are generally the level of the lower skin and the bottom of the prefabricated plate, and the horizontal wall beams are arranged below the plate. 1. When the vertical wall ring beam is being constructed, the inside of the ring beam is used as a template, and the outer side is generally first built with a single brick (12 cm). Due to the lateral pressure of concrete, the single brick wall is often swelled. When the vertical joints are not laid tightly, the cement slurry can easily flow out of the joints. If the concrete is poured, it will overflow the cement slurry from the top of the bricks to make the water clear. Wall pollution. The control method is: