Meena Rezkallah, P.Eng.May 16, 20202 min readPiping Stress Analysis1.5.4 B31.3 Chemical Plant and Petroleum Refinery PipingSustained Stress B31.3 does not provide an explicit equation for sustained stress calculations, but only requires that the engineer...
Meena Rezkallah, P.Eng.Apr 10, 20201 min readPiping Stress Analysis1.5.3 B31.1 Power PipingThe B31.1 code requires that the engineer calculate sustained, expansion, and occasional stresses, exactly as defined below: Read More:...
Meena Rezkallah, P.Eng.Apr 9, 20202 min readPiping Stress Analysis1.5.2 Code Stress EquationsThe piping code stress equations are a direct outgrowth of the theoretical and investigative work discussed above, with specific...
Meena Rezkallah, P.Eng.Apr 7, 20204 min readPiping Stress Analysis1.5.1 Primary vs. Secondary LoadsMarkl's investigation of the fatigue problem, following the earlier recognition of the maximum stress theory of failure, led to...
Meena Rezkallah, P.Eng.Apr 3, 20203 min readPiping Stress Analysis1.4 Welding Research Council Bulletin 330The Welding Research Council's Bulletin 330, "Accuracy of Code Stress Intensification Factors for Branch Connections" documented a major...