可卸式止水带的缺陷和使用效果某厂房内混凝土地沟深０．８～２．２ｍ，常年地下水位一０．３ｍ。该项目于１９８９年底竣工，不久后沟内大量积水，无法使用。渗漏多出现在施工薄弱部位，如阴阳角、穿培管和伸缩缝等处。该地沟伸缩缝采用可卸式止水带。沟底板渗漏较少，壁... Dismantling of the defect and the use of the effectiveness of a stop The depth of a concrete factory ditch 0.8 ~ 2.2m, perennial groundwater level 0.3m. The project was completed by the end of 1989, and soon after a lot of water in the ditch, can not be used. Leakage appears more in the construction of weak parts, such as the yin and yang angle, wear tube and expansion joints and other places. The trench expansion joints with removable water stop. Groove floor leakage less, wall ...