Regarding the connection of plastic pipes and inspection wells, is the flexible connection or rigid connection?
Connected with the manhole brick or concrete pipe or tube, the intermediate layer is connected with the outer surface approach, part of the advance with polyvinyl chloride adhesive in the pipe or pipe fittings with the wall made of coarse and intermediate layer, and then use the cement mortar wall built into the manhole;
The connection between the pipeline and the inspection well shall be constructed according to the design drawing. When the socket pipe is connected with the well wall of the inspection well, the socket pipe fittings shall be supplied by the manufacturer;
When a flexible connection is used between the pipe and the inspection well, the prefabricated concrete collar and rubber sealing joint can be used;
Precast concrete manhole and pipeline reserved hole diameter should be greater than 0.2M diameter pipe or pipe fittings, before installing the reserved hole circumferential surface should be cut hair treatment; 5, check the bottom plate of basement with sand gravel cushion, pipe foundation layer flat connection.
