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Flexural Strength of Modified Square Footings

Nathan, Madanai SS and Ranganatham, Balagolam V (1978) Flexural Strength of Modified Square Footings. In: Journal of the Structural Division, 104 (3). pp. 551-565.

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Official URL: http://cedb.asce.org/cgi/WWWdisplay.cgi?5013615

Abstract

The ultimate flexural strength behavior of isolated square tapered and beam-slab reinforced footings are presented. Yield line solutions are developed for generalized contact pressure distributions and the influence of taper, beam size, fillet size, negative moment capacity, and contact pressure distribution on the collapse load is brought out. In beam-slab footings the optimum relative beam capacity required to make the beam rigid is indicated. Results of experimental investigations on footings resting on sand reveal that tapered (with isotropic as well as with alternative reinforcement patterns) and beam-slab footings exhibit superior structural behavior in terms of normalized first crack load, collapse load, relative rigidity, relative efficiency, and failure mechanism.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American society society of Civil Engineer.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 18 Jan 2010 06:17
Last Modified: 18 Jan 2010 06:17
URI: http://eprints.iisc.ernet.in/id/eprint/24370

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