Research Article
Nov 1978
Ductility Ratio for Slabs
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VIEW THE REPLYAuthors: Edwin G. Burdette, M.ASCE, and Dennis BernalAuthor Affiliations
Publication: Journal of the Structural Division
Volume 104, Issue 11
Abstract
A method is presented to calculate, approximately, the ultimate deflection of a reinforced concrete slab subjected to a point load at the center. This deflection is divided by the yield deflection, calculated by an approximate, but widely used method, to obtain a permissable ductility ratio for the slab. This ratio is useful in approximate dynamic analyses of slabs subjected to impulsive and impactive loadings. The method presented for the calculation of ultimate deflection takes account of the compressive strength of the concrete, the yield strength of the steel, the ratios of tensile and compressive steel in a cross section of slab, and the slab geometry. Thus, it is presented as a rational replacement for the empirical equations in current use. Comparisons with test data indicate that the method presented is reasonable and conservative.
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Information
Published In
Journal of the Structural Division
Volume 104 • Issue 11 • November 1978
Pages: 1741 - 1748
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Nov 1978
Published online: Feb 1, 2021
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Authors
Affiliations
Edwin G. Burdette, M.ASCE
Prof. of Civ. Engrg., Univ. of Tennessee, Knoxville, Tenn.
Dennis Bernal
Grad. Teaching Asst., Univ. of Tennessee, Knoxville, Tenn.
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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.