Abstract
This paper briefly reviews the theoretical considerations that underlie the development of an engineering analysis of ductile, time dependent flaw growth as adapted to axial surface flaws in cylindrical containers such as pipes and tanks. Thereafter the validation of this analysis by comparison of the predicted and observed behavior of an extensive database for part-through-wall defects in pipes is presented. The results of this comparison indicate that the analysis provides an accurate means to characterize the flaw growth and related failure pressure for this class of flawed structures. The results indicate a close correspondence of predicted and observed behavior that is free of bias with respect to flaw length and depth and the grade of steel used to fabricate these full scale test specimens. Readers interested in more complete documentation of the analysis and the validation studies are directed to the report covering model formulation and validation (Leis et al, June 1991).
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