Abstract
Starting from a general design philosophy which derives the requirements for a primary containment structure from the characteristics of a power reactor system, specific structural design criteria are formulated. The general structural response of a PCRV to various loads, the types and combinations of loads to be considered, and allowable stresses for the various PCRV component parts are presented and related to allowable values used in more conventional technology. This covers principal stresses in the concrete, the effect of multiaxial stress fields, bearing and bond stresses, allowable stress values for prestressing steel, and non-prestressed reinforcement. Load factors for limit design evaluations and their significance are discussed as they pertain to predefined failure conditions. Comparisons are made between design criteria developed for PCRV's in Europe and criteria that are being formulated for such applications in the United States.
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