Stress Analysis of the Liner and Liner Anchorage System Near Penetrations in a Reinforced Concrete Reactor Containment

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by J. Randall Weatherby, Sandia Natl Lab, United States,

Document Type: Proceeding Paper

Part of: Structural Design, Analysis and Testing:

Abstract: An overpressurization experiment was conducted on a scale-model of a reinforced concrete containment building. The test was terminated when tears formed in the steel liner. Virtually all leakage occurred through a large tear that propagated along the edge of a thickened insert plate that surrounded a piping penetration. This paper describes the results of a post-test finite element analysis of this region. Results of the analysis indicate that the large tear initiated due to high strains produced by a stud anchor. The results of the analysis also suggest that a relatively simple analytical technique can be used to estimate the pressure at which tears will initiate near penetrations in lined containment structures.

Subject Headings: Reinforced concrete | Stress analysis | Linings | Steel | Anchorages | Finite element method | Nuclear reactors | Light (artificial) |

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