This report presents the results of an experimental study of the elastic response of four geometrically scaled models of nuclear reactor outer containment shells to Internal blast loading. The character of response of the shells to dynamic loading is determined with the shells unsupported (suspended in air) and with the shells half-bur led in the ground. Geometrical modeling of the response is verified for both support conditions.nThe results of a static pressure test of one vessel show that its dynamic response cannot be predicted from static considerations.
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