Alani, Amir M., Aboutalebi, Morteza and King, Martin J. (2013) Influence of Fibre Content on Crack Propagation Rate in Fibre-Reinforced Concrete Beams. International Journal of Civil and Environmental Engineering, 7(9), pp. 652-658. ISSN (online) 1307-6892

Abstract

Experimental study on the influence of fibre content on crack behaviour and propagation in synthetic-fibre reinforced beams has been reported in this paper. The tensile behaviour of metallic fibre concrete is evaluated in terms of residual flexural tensile strength values determined from the load-crack mouth opening displacement curve or load-deflection curve obtained by applying a centre-point load on a simply supported notched prism. The results achieved demonstrate that an increase in fibre content has an almost negligible effect on compressive and tensile splitting properties, causes a marginal increment in flexural tensile strength and increases the Re3 value.

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