OS0920-315 減肉を有する圧力設備の供用適性評価への部分安全係数法の適用

Abstract

Structural integrity assessment of aged pressure equipment is performed using several procedures based on reliability. Partial Safety Factor (PSF) method is one of the most useful reliability analysis procedures. Users can easily perform the reliability analysis using the PSF method instead of a detailed probability of failure analysis, i.e., the Monte Carlo method. In this study, the PSF method was applied to Fitness-For-Service assessment of pressure equipment with local metal loss. The researchers developed the partial safety factors for typical pressure equipment, and proposed the metal loss assessment procedure using the PSF method.