Research Article
Sep 1975
Punching Shear Strength of Restrained Slabs
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 101, Issue 9
Abstract
The punching shear strength of restrained concrete slabs is investigated. A rational idealized model of a restrained slab at punching failure is developed. This model is an extension of one previously developed by Kinnunen and Nylander for simply supported slabs. The influence of boundary restraints on punching load is demonstrated and the model is shown to yield accurate estimates of the punching strength of slabs with known boundary restraints. An empirical factor, termed the restraint factor, is introduced to estimate the influence of boundary restraints and can be used in the design of slabs for which the actual restraints are not exactly known. The restraint factors for a number of restrained slab systems are reported.
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Published In
Journal of the Structural Division
Volume 101 • Issue 9 • September 1975
Pages: 1837 - 1853
Copyright
© 1975 American Society of Civil Engineers.
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Published in print: Sep 1975
Published online: Feb 1, 2021
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Authors
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Brian E. Hewitt
Engr., Public Works Dept., Western Australia; formerly, Grad. Student, Queen’s Univ., Kingston, Ontario, Canada
Barrington deV. Batchelor, M.ASCE
Visiting Prof., Dept. of Civ. and Environmental Engrg., Cornell Univ., Ithaca, N.Y., on leave as Prof., Dept. of Civ. Engrg., Queen's Univ., Kingston, Ontario, Canada
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.