Evaluation of behavior and the radial shear strength of a reinforced concrete containment structure
Walther, Howard Phillip
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https://hdl.handle.net/2142/23757
Description
Title
Evaluation of behavior and the radial shear strength of a reinforced concrete containment structure
Author(s)
Walther, Howard Phillip
Issue Date
1990
Doctoral Committee Chair(s)
Sozen, Mete A.
Department of Study
Engineering, Civil
Discipline
Engineering, Civil
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
This study is on the behavior and strength of the 1/6-scale reinforced concrete containment model tested at Sandia National Laboratories. The containment model was pressurized to more than three times its design pressure until a tear in the liner terminated the test. Deformation data from the model test was used to interpret behavior and to estimate the internal forces at the wall-basemat connection. Analytical models were developed for radial-expansion response and for the wall and basemat interaction. A possible mode of structural failure of containments subjected to high pressures is by radial-shear failure at the wall-basemat connection. Although the containment model showed no sign that such a failure was imminent when the test was stopped, if the internal pressure had been increased an abrupt shear failure is possible. A method based on the compressive force due to flexure at the wall-base was developed to evaluate the radial shear strength of the 1/6-scale containment model. Using the developed methodology a projection of strength of 1/12-scale wall-basemat connections which had failed in shear is made for the Sandia 1/6-scale containment model.
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