PVC-U tube how to pass through the low-lying areas

PVC-U tube how to pass through the low-lying areas
The foundation of PVC-U pipeline must have enough bearing capacity and reliable stability, otherwise, the uneven settlement of foundation will cause the wrong port, fracture, leakage and other phenomena of PVC-U pipeline. For soft soil foundation, miscellaneous fill soil foundation and so on, should take the foundation treatment measures, can refer to the standard: "water supply and drainage pipeline engineering construction acceptance code" GB 50268. Specific design should be carried out by the professional design department to ensure the safety of pipeline operation. According to the specific circumstances should be done as follows:
1, the foundation pit filling layer paved bottom, upper part of the compacted layer, then laying concrete foundation beneath PVC-U pipeline trench.
2, PVC-U pipeline crossing the Gouyan parts should add transition protection measures, such as the use of multiple short 0.8-1.0 meters transition, or casing protection.

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