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International Journal of Pressure Vessels and Piping

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Original Item ID

DOI: 10.1016/j.ijpvp.2022.104656


Many models have been developed in the past to predict the failure pressure of a pipeline with a single corrosion defect. However, most of the existing models are conservative and may lead to unnecessary repairs and maintenance in the pipeline risk management. The aim of this study is to develop probabilistic failure pressure prediction models that are suitable for risk assessment of corroded pipelines. The proposed models are developed at three levels of pipe ultimate strength based on a comprehensive database (consist of both experimental and numerical data) established in this study. When comparing with the existing models, it is found that the proposed models provide unbiased and more accurate predictions. Also, the results of the reliability analysis of a corroded pipeline with various material properties and corrosion configurations reveal that the performance of a failure pressure prediction model plays a critical role in determining the structural performance of corroded pipelines.


Accepted version. International Journal of Pressure Vessels and Piping, Vol. 197 (June 2022): 104656. DOI. © 2022 Elsevier. Used with permission.

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