March 2016, Vol. 243, No. 3

TechNotes

SwRI-Designed Computer Model Predicts Corrosion Risks

Oil and gas pipelines crisscross the nation beneath critical infrastructure, such as highways, railroads and waterways, as well as passing through population centers. Because over half of U.S. pipelines date to the 1950s and 1960s, corrosion prevention and related repairs are increasingly important to avoid pipeline failures that can lead to toxic spills or devastating explosions. Ironically, pipeline segments that lie beneath some of the most sensitive areas are also among the most difficult to inspect. Because these segments need extra protection to avoid damage from nearby excavation, settlement, traffic loads and erosion, the carrier pipe is often encased within a larger-diameter reinfo

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