MA Jinghuai, ZHU Fuxian. PLASTIC LIMIT LOAD ANALYSIS OF ELBOWS UNDER THE INTERNAL PRESSURE[J]. MECHANICS IN ENGINEERING, 2012, 34(5): 48-51. DOI: 10.6052/1000-0879-12-028
Citation: MA Jinghuai, ZHU Fuxian. PLASTIC LIMIT LOAD ANALYSIS OF ELBOWS UNDER THE INTERNAL PRESSURE[J]. MECHANICS IN ENGINEERING, 2012, 34(5): 48-51. DOI: 10.6052/1000-0879-12-028

PLASTIC LIMIT LOAD ANALYSIS OF ELBOWS UNDER THE INTERNAL PRESSURE

  • Based on a bending stress analysis of a bend pipe of elliptical cross section of variable wall thickness, with Tresca and von Mises yield criteria, the plastic limit pressure formula is derived with consideration of variable elbow wall thickness and variable elliptic degree. The limit load changes with the pipe wall thickness and the ovality of the elbow.
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