楼板裂缝是卫生间渗漏的主要原因。笔者就公共卫生间楼板出现裂缝的楼层作了一些调查,发现:同一栋楼房,二层的裂缝比其它层多;同一楼层,卫生间的裂缝比其它房间多;同一块卫生间楼板,板角斜裂缝比跨中正弯矩裂缝多,厕所蹲台处的裂缝比小便池处的裂缝多,在墙角有排污立管处的裂缝比无管处的裂缝多。为什么会出现这些情况?下面作一浅析:一、楼板混凝土早期受损1.底层地面填土不实,二层楼模板支撑 Floor cracks are the main reason for toilet leakage. The author made some investigations on the cracks in the floor of the public toilet floor and found that: in the same building, there are more cracks in the second floor than in other floors; in the same floor, there are more cracks in the bathroom than in other rooms; in the same bathroom floor, the ratio of board angle to oblique crack There are many cracks across the positive and negative bending moments, and there are more cracks in the toilet bowl than in the urinals. There are more cracks in the corner of the toilet than in the no-pipes. Why does this happen? Here’s an analysis: First, the early damage of the floor slab concrete 1. The ground floor is not filled with soil, the second floor template supports