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内水落管穿墙一般有两种情况:一种是雨水排至室外地坪穿墙;另一种是当建筑物存在高低层时,高层内水落管穿墙入低层屋面。由于图纸对这些部位缺乏详细的交待,施工中水落管穿墙常出现以下问题: 1.内水落管出口穿墙时,穿墙处的管道常是水平的或坡度很小,水落管伸出墙面很短,有些水落管出墙勒脚抹面仅20mm长。造成雨水沿管外
There are generally two situations in which the inner water drop pipe runs through the wall: one is that the rainwater is discharged to the outdoor floor through the wall; the other is when the building has a high and low floor, the high-level inner water drop pipe penetrates the wall and enters the low-rise roof. Due to the lack of detailed explanation of these parts on the drawings, the following problems often occur in the construction of the downspout through the wall: 1. When the outlet of the inner downspout passes through the wall, the pipe passing through the wall is often horizontal or the slope is small, and the dropout protrudes from the wall. The face is very short, and some of the downspouts are just 20mm long. Causes rain along the pipe