As presented in the papers of the SmiRT-14, (Dameron et al., 1997; Hessheimer et al., 1997), ultimate capacity pressure tests on 1/4 scale prestressed concrete containment vessel (PCCV) model were performed in year 2000. First of all, the authors conducted an approximate preliminary analytical investigation to predict its non-linear behavior up to ultimate capacity and to roughly estimate its potential failure model. The target of this paper is not only to predict the non-linear behavior of the 1/4 PCCV model, but also to establish a reliable method for evaluating actual PCCVs subjected to internal pressure.
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