Research Article
Nov 1969
Deep Slabs Subjected to Static and Blast Loading
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 95, Issue 11
Abstract
The results of experimental static tests on square, deep, reinforced and plain concrete slabs show that the governing mode of failure is shear. The magnitude of static failure overpressures ranged from 810 psi to 1,683 psi. The deep, reinforced and plain concrete slabs tested in the field were subjected to a peak air-blast pressure of approximately 5,000 psi. Based on post test visual examination of the field test slabs, their response appeared to be similar to the shallower deep slabs tested statically, i.e. the mode of response was shear. Static tests were conducted on 21 deep-slab specimens having a constant span-to-thickness ratio, L/t, of 4.12. Six additional deep-slab specimens were included in a field test, with three slabs having an L/t ratio of 3.5 and three a ratio of 2.6. All of the slabs had a constant square length of 30.25 in. and were supported over a 24-in. diam clear span.
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Published In
Journal of the Structural Division
Volume 95 • Issue 11 • November 1969
Pages: 2449 - 2462
Copyright
© 1969 American Society of Civil Engineers.
History
Published in print: Nov 1969
Published online: Feb 1, 2021
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Authors
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Gayle E. Albritton, AM.ASCE
Project Manager, Projects Group, Protective Structures Branch, Nuclear Weapons Division, U.S. Army Engineer, Waterways Experiment Station, Vicksburg, Miss.
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