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Structural Response of Partially Fibrous Concrete Beams

Nagaraj, TS and Dwarakanath, HV (1984) Structural Response of Partially Fibrous Concrete Beams. In: Journal of Structural Engineering, 110 (11). 2798 -2812.

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Official URL: http://cedb.asce.org/cgi/WWWdisplay.cgi?8402383

Abstract

The inclusion of fibers into a matrix over only a partial thickness of the beam is regarded as partially fiber reinforcing a beam. This concept is fully invoked in the present investigation. A tensile strain enhancement factor, t, as determined by a direct tension test, forms a convenient engineering parameter that takes care of the influence of the aspect ratio and volume fraction of the given type of fiber. The appropriate thickness of the beam section to be reinforced with fibers is computed using the above parameter. Necessary analytical expressions were developed to compute the moment enhancement factor associated with different values of the parameter, t. The validity of the approach was experimentally demonstrated. Practically similar deflection patterns for fully and partially fibrous sections were observed. The applicability of the method developed in practical situations, such as the design of airfield and highway pavements with fiber conretes, is cited.

Item Type: Journal Article
Additional Information: Copyrught for this article belongs to Asce-Amer Soc Civil Engineers
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 02 Feb 2010 12:07
Last Modified: 02 Feb 2010 12:07
URI: http://eprints.iisc.ernet.in/id/eprint/20359

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