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Application of PE Pipe in Drainage


Release time:

Jan 18,2019

The pipeline is connected with the inspection well. In the original construction plan, the nozzle was retracted into the inner wall of the inspection well by 0.3m ~ 0.5m, painted with mortar into a "trumpet shape", filled with mortar around it, and then built bricks. However, the closed water test could not meet the requirements. After inspection, the following problems existed: ① PE pipe expansion and contraction with heat will crack the inspection well, resulting in water leakage in the inspection well. ② The inspection well is not cracked, but the sealing of the connection between the pipeline and the inspection well cannot meet the requirements, resulting in seepage and water leakage.

The pipeline is connected with the inspection well. In the original construction scheme, the nozzle is retracted into the inner wall of the inspection well by 0.3 m ~ 0.5 m, and painted with mortar into a "trumpet shape"
The mortar is filled and compacted, and then the brick is built, but the closed water test cannot meet the requirements. After inspection, the following problems exist:
① PE pipe thermal expansion and cold contraction will crack the inspection well, resulting in water leakage in the inspection well.
② The inspection well is not cracked, but the sealing of the connection between the pipeline and the inspection well cannot meet the requirements, resulting in seepage and water leakage.

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