在地下建筑工程(如地铁、公路立交桥、隧道工程等)和水工混凝土建筑物(如大坝、溢洪道工程等)的变形缝处,经常采用止水带作为防水措施. 目前,国内外关于止水带的分类按材料性质划分,大致可分为金属止水带(如铜片、钢片等);橡胶止水带;塑料止水带以及塑(料)(橡)胶止水带(简称塑胶止水带)等.塑胶止 Water stopings are often used as waterproofing measures in the deformation joints of underground construction projects (such as subways, highway overpasses, tunneling projects, etc.) and hydraulic concrete structures (such as dams and spillway projects). At present, Classification of water by the nature of the material can be divided into metal water stop (such as copper, steel, etc.); rubber water stop; plastic water stop and plastic (material) (rubber) Plastic Zhishui Dai), etc. Plastic only