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Anonymous users2024-01-231. The water stop ring must be welded through the wall (ground) pipe, and the weld should be sealed without gaps in the full welding, and the inspection of the weld at the water stop ring should be strengthened.
2. When the structural deformation or pipeline expansion and contraction amount is small, the fixed waterproof treatment method for the wall pipe can be directly embedded in the concrete by the main pipe.
3. If the structural deformation or pipeline expansion and contraction amount is large (such as the heat pipe or there is a replacement requirement), the outer wall of the pipe with a limit of embedded wall pipe or embedded casing pipe should be welded with a flange of more than 10mm and 10mm, and double-sided full welding is required.
4. When there are many pipelines through the wall, it is advisable to be relatively concentrated and adopt the method of the wall box.
5. Paste the expanded water-stop strip, and scrub the outer surface of the embedded casing clean when using the water-stop strip for construction.
6. The gap between the wall casing and the wall pipe is filled with sealing paste, the thickness should be sufficient, and it is strictly forbidden to seal it with ordinary cement mortar.
7. If the bolts used to fix the formwork must pass through the waterproof concrete structure, the waterproof ring should be welded on the bolt or casing. The water-stop ring must be fully welded, and the number of rings should be determined by the design.
8. The welding parts of the embedded parts should be fully welded tightly, the rust should be removed before burial, and the fixation should be firm when buried, and the protection should be strengthened after burial, and no collision and vibration should be allowed. In order to make the embedded parts stable, the embedded fixing frame method can be adopted.
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