An Investigation of the Time-Dependent Behavior of Prestressed Concrete Pressure Vessels

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Title: An Investigation of the Time-Dependent Behavior of Prestressed Concrete Pressure Vessels

Author(s): G.D. Whitman, J.P. Callahan, and J.M. Corum

Publication: Special Publication

Volume: 34

Issue:

Appears on pages(s): 823-846

Keywords: creep properties; high temperature; loads (forces); measuring instruments; models; moisture content; nuclear reactor containment; nuclear reactors; pressure vessels; prestressed concrete; research; strains; stresses; strucutral analysis; thermal gradient

Date: 1/1/1972

Abstract:
The efffects of the thermal conditions imposed on a prestressed concrete pressure vessel (PCRV) present a major uncertainty in predicting long-term vessel behavior. In current vessel deesigns insulating and cooling are provided to limit concrete temperatures to 200 F (93 C) or less; however, the time-dependent behavior of the structures may be significantly affected by this relatively low temperature.