Pipeline Failure by Transit Fatigue
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A spiral welded pipeline failure that occurred during hydrotest was attributed to transit fatigue, caused during highway transportation. Transit fatigue during rail, road and marine transportation is a well-known failure mechanism. American Petroleum Institute (API) standards for prevention of transit fatigue during railroad and marine transportation are already established. Transit fatigue during highway transportation is rarely reported, and there is no industry standard addressing controls for line pipe transportation by highway.
KeywordsFatigue failure Plain carbon steel Fractography Failure analysis Fatigue striations
The laboratory and failure analysis work performed by Ali Y. Al-Kawaie is appreciated by the authors. Article published with permission from ©Saudi Aramco, 2008. All rights reserved. No portion of this article may be reproduced, by any process or technique, without the express written consent of Saudi Aramco.
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