北京某双塔高层建筑西塔楼 2 3～ 2 8层厕浴间地面防水进行 2 4h闭水试验 ,在受检的 5 5个厕浴间中 ,有 7个出现渗漏 ,不合格比率高达 12 7%。渗漏部位主要在混凝土顶棚 ,其中管根附近锈迹斑斑 ,部分出现滴漏。与此同时 ,在不贴瓷砖的墙面上湿渍随处可见。通过多方检查与分析 Beijing a two tower high-rise tower west tower 2 3 ~ 2 8 floor toilet bathroom waterproofing 24 h closed water test, in the inspection of the 5 5 bathroom, 7 leakage occurred, the failure rate as high as 12 7%. Leakage site mainly in the concrete roof, in which the rust near the pipe root, some drip. In the meantime, wet stains are visible everywhere on tiled walls. Through multiple inspection and analysis