Effects of Construction Vehicles Crossing Underground Coated Pipelines (C2026-00036)
Monday, March 16, 2026
9:00 AM - 9:30 AM Central
Location: 362 DE
Earn .5 PDH
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The impacts of stress on the integrity of pipelines have been studied extensively in literature. Less well known are the impacts of stress on the pipeline coatings. Sufficiently high soil stresses applied to a pipe coating cause disbondment, drastically reducing a pipe’s corrosion resistance – and consequentially, its operational lifetime. Disbondment can occur even at stresses that fail to compromise the pipeline’s operational integrity. Given the difficulty in detecting and mitigating corrosion under disbonded coating , it’s important to understand all potential sources of soil stress that can cause coating disbondment; problems are especially pronounced in softer soils and coatings, making the choice of coating critical depending on the operational environment. In this work, we discuss the impact of dynamic, and overburden loads on soft polyethylene (PE) wrapped coatings, and the circumstances that can lead to coating failure.
