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Flexural behaviour of reinforced fibrous concrete beams was investigated in this research study. Two
types of metallic fibers were studied: amorphous metallic fibers (FibraFlex fibers), and carbon steel
hooked-end fibers (Dramix fibers). Four types of reinforced concretes were made: one control (without
fibers) and three fibrous. Among three reinforced fibrous concretes, two contained fibers in mono form and
one contained fibers in hybrid form. The total quantity of fibers in mono and hybrid forms was 20 kg/m3
and 40 kg/m3
, respectively. Three point bending tests were performed according to European standards
“NF EN 14651” on beams of 150 x 150 mm cross section and length of 550 mm. The results showed that
due to positive synergetic interaction between the two metallic fibers used, reinforced fibrous concrete
(RFC) beams containing fibers in hybrid form exhibited better response at all loading stages. Analytical
model to predict ultimate moment capacity of the RFC beam of rectangular section was developed and is
presented in this paper. Analytical results for ultimate moment were found to be in good agreement with
experimental results.
Rashid Hameed, Alain Sellier, Anaclet Turatsinze, Frédéric Duprat. (2013) Flexural Behaviour of Reinforced Fibrous Concrete Beams: Experiments and Analytical Modelling, Pakistan Journal of Engineering and Applied Sciences, Volume 13, Issue 1.
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