1、旧楼板凿毛后应用水清洗，清干净残渣，并充分湿润，保证新结构浇捣混凝土时界面是湿润的。
1、the old floor after the application of water cleaning, cleaning residue, and fully wet, to ensure that the new structure poured concrete interface is moist.
2、浇筑混凝土前应嵌填遇水膨胀密封胶5 x 8mm，涂刷混凝土界面剂。
2、pouring concrete should be filled with water expansion sealant 5 8mm x, brushing concrete interface agent.
3、浇捣混凝土时接缝处需细心振捣密实，使新旧混凝土结合紧密，浇筑后应及时养护。
3、pouring concrete when the joints need to be carefully vibrating compaction, so that the old and new concrete combination of close, should be timely maintenance.
4、在接缝处涂刷低模量、高延长率的薇妮屋顶防水涂料附加层，厚度不小于2mm，宽度为300mm，另整体涂刷薇妮屋面防水涂料（三涂一布）。
4、at the juncture of the coating low modulus, high elongation of the waterproof coating, the thickness of not less than 2mm, width of 300mm, the other is not less than 1.2mm thick waterproofing coating system.
5、铺贴大面屋顶防水层，与原屋面屋顶防水层搭接不小于100mm，并密封严实。
5、the shop is stuck with the original surface of the waterproof layer, waterproof layer overlapping is not less than 100mm, and sealed.
6、屋顶防水层完成后及时进行保温层等下一道工序施工。
6、waterproof layer is completed in a timely manner to protect the next process of construction.
