Design guide developed for buried pipelines crossing active faults

An analysis of the response of buried continuous pipelines to active faults has led to development of a design guideline for both onshore and offshore pipelines at fault crossings.A fault movement can be resolved into an axial component (parallel to the pipe axis), a lateral component (perpendicular to the pipe axis) in the horizontal plane, and a vertical component.When subjected to bending (lateral or vertical component) and axial tension force (axial component), a pipeline is likely to fail in tensile rupture. The analytical approach by Kennedy is recommended for calculating the maximum tensile strain in the pipe.1 When subjected to bending and axial compression, a buried pipeline is l...

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