PR350-224502-W02 Managing Stress from Uneven Support and Settlement

Jan 6, 2026

High longitudinal stresses in pipelines can be a major contributor to failures of girth welds and circumferentially oriented flaws. These high stresses are frequently associated with construction and maintenance activities, such as excavation and backfill in new construction, pipe replacement, and integrity digs. There are currently no industry-wide guidelines for the management of construction- and maintenance-related stresses. The objective of this project is to develop such guidelines by extracting and streamlining the best practices from pipeline operators and other sources.

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