Uncertainty in the Estimation of Partial Safety Factors for Different Steel-Grade Corroded Pipelines

This paper assesses the uncertainty of partial safety factors for design corroded pipelines against burst failure due to variability associated with strength model selection. First, 10 calibrated pressure prediction models are adopted and duly categorised under low-, medium- high-grade steel classes. The probabilistic characteristics pipe studied using Monte Carlo simulation selected models. Model used correct predictions by equations. derived in each category that will provide coherent reliability. first-order reliability method is employed estimate their as a function operational time. Finally, influence corrosion growth on evaluation assessed. results obtained this study can vital guidance regarding maintenance different steel-grade pipelines.