The Uni-Bell PVC Pipe Association has completed a comprehensive two-part research initiative to evaluate the long-term performance of PVC sewer pipe in deep-bury conditions.
The first component used finite element analysis (FEA) to simulate how PVC pipe behaves under various soil and loading conditions. This modeling provided a detailed view of the expected structural response in deep installations.
The second component applied laser profiling technology to an in-service PVC sewer interceptor that has been operating for over 45 years, installed at depths reaching 28 feet. This method offered high-resolution data on the actual deflection and shape of the buried pipe.
FEA modeling answered the question, “What should it look like?” while laser profiling addressed “What does it look like?” The results from both analyses aligned closely, confirming that PVC pipe performs exceptionally well under deep-bury conditions with minimal deflection or structural degradation.
This dual-approach research provides strong evidence of PVC’s reliability and durability in demanding gravity sewer applications.
For detailed findings, read the full report:
PVC Pipe in Deep-Bury Applications: FEA Modeling and Field Inspection of PVC Sewer Pipe.
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