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Comparative Study of Predictions of Flexural Strength of Steel Fiber Concrete

Dwarakanath, HV and Nagaraj, TS (1991) Comparative Study of Predictions of Flexural Strength of Steel Fiber Concrete. In: ACI Structural Journal, 88 (6). pp. 714-720.

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Official URL: http://www.concrete.org/PUBS/JOURNALS/SJHOME.ASP

Abstract

Several methods are available for predicting flexural strength of steel fiber concrete composites. In these methods, direct tensile strength, split cylinder strength, and cube strength are the basic engineering parameters that must be determined to predict the flexural strength of such composites. Various simplified forms of stress distribution are used in each method to formulate the prediction equations for flexural strength. In this paper, existing methods are reviewed and compared, and a modified empirical approach is developed to predict the flexural strength of fiber concrete composites. The direct tensile strength of the composite is used as the basic parameter in this approach. Stress distribution is established from the findings of flexural tests conducted as part of this investigation on fiber concrete prisms. A comparative study of the test values of an earlier investigation on fiber concrete slabs and the computed values from existing methods, including the one proposed, is presented.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Concrete Institute.
Keywords: Compressive Strength;Concrete Slabs;Fiber Reinforced Concretes;Flexural Strength;Metal Fibers;Prisms;Tensile Strength.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 10 Nov 2010 07:05
Last Modified: 10 Nov 2010 07:05
URI: http://eprints.iisc.ernet.in/id/eprint/33709

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