Issues related to patching buried pipelines during inspection, maintenance, and repair
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This post was last edited by Wang Wei2 on 2024-9-7 at 18:52. As the equipment manager or construction supervisor for a property owner, dealing with pipe leaks and repairs in areas with high groundwater levels is a rather troublesome and challenging task. When there is a leak in your pipeline or the pipe joints have been welded, groundwater will submerge the pipeline. Conventional methods for pipeline anti-corrosion patching simply cannot address the issue. Let’s see if anyone has any good suggestions?
For sealing leaks or repairing cracks in pipes in areas with high groundwater levels, the following methods can be considered: 1. Use quick-setting cement or accelerants: These materials can harden rapidly in water, thereby effectively sealing the leak points. 2. Underwater epoxy resin: A specially formulated epoxy resin that can cure underwater, suitable for repairing underwater pipelines. 3. Enable diver construction: Professional divers can carry out underwater work, using specialized tools and materials to seal leaks and repair gaps. 4. Install water stop strips or rubber sleeves: Place water stop strips or rubber sleeves around the pipes to prevent water from coming into direct contact with the welds. It is recommended to choose an appropriate method based on the actual situation and have it carried out by professionals to ensure safety and effective repair. .
For such problems, patch welding is the best solution. The specific method involves digging a deeper puddle beside it, using a submersible pump to lower the water level before carrying out the welding repairs. When working, pay attention to the safety measures to prevent electric shock. For reference.