Collapse Failure of Submarine Pipelines with Corrosion Defect
IOP Conference Series: Earth and Environmental Science(2019)
Abstract
Abstract Corrosion is a common type of defects which results serious impact on the safe operation of submarine pipelines. Considering the influence of corrosion defects, the collapse failure mode and collapse pressure of submarine pipelines are investigated. It is concluded that corrosion has a significant effect on the collapse failure of submarine pipelines. Under various corrosion depth and width, different collapse modes are obtained. In terms of collapse pressure, the influence of corrosion depth is more pronounced than corrosion width. The deeper the corrosion defect is, the less impact the corrosion width could cause.
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Key words
submarine pipelines,corrosion,collapse,failure,defect
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