Horizontal mild steel welded storage tanks

1955 ◽  
Keyword(s):  
1999 ◽  
Vol 122 (2) ◽  
pp. 169-173 ◽  
Author(s):  
Poh-Sang Lam ◽  
Robert L. Sindelar

The J-integral fracture methodology was applied to evaluate the stability of postulated flaws in mild steel storage tanks. The material properties and the J-resistance JR curve were obtained from the archival A285 Grade B carbon steel test data. The J-integral calculation was based on the center-cracked panel (CCP) solution of Shih and Hutchinson (1976, ASME J. Eng. Mater. Technol. 98, pp. 289–295). A curvature correction was applied to account for the cylindrical shell configuration. A finite element analysis of an arbitrary flaw in the storage tank demonstrated that the curvature-corrected CCP solution is a close approximation. The maximum storage tank fluid level for a postulated flaw size can be established based on the J-integral flaw stability methodology. [S0094-9930(00)00502-3]


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