MODEL SIMPLIFIES ESTIMATE OF BENDING STRENGTH IN CORRODED PIPE

Hong O. Kim BP Pipelines (Alaska) Inc. Anchorage A simple method has been developed for assessing bending strength of corroded pipe subjected to combined loading of internal pressure and moment. It is as useful as the more complex finite element (FE) analysis method which can be costly and time-consuming. The new method consists of using: Axisymmetric modeling to determine hoop stress occurring in a corroded region due to pressure loading. Von Mises failure criterion to determine the axial

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