An experimental study on flexural strength enhancement of concrete by means of small steel fibers

Cost effective improvement of the mechanical performances of structural materials is an important goal in construction industry. To improve the flexural strength of plain concrete so as to reduce construction costs, the addition of fibers to the concrete mixture can be adopted. The addition of small...

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Published in:Frattura ed integritá strutturale 2013-10, Vol.7 (26), p.22-30
Main Authors: Abdoullah Namdar, Ideris Bin Zakaria, Azimah Bt Hazeli, Sayed Javid Azimi, Abdul Syukor Bin Abd. Razak, G. S. Gopalakrishna
Format: Article
Language:English
Subjects:
Corrugated steel fiber
Flexibility of beam
Flexural crack
Flexural strength
Shear crack
Steel fiber
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container_end_page 30
container_issue 26
container_start_page 22
container_title Frattura ed integritá strutturale
container_volume 7
creator Abdoullah Namdar
Ideris Bin Zakaria
Azimah Bt Hazeli
Sayed Javid Azimi
Abdul Syukor Bin Abd. Razak
G. S. Gopalakrishna
description Cost effective improvement of the mechanical performances of structural materials is an important goal in construction industry. To improve the flexural strength of plain concrete so as to reduce construction costs, the addition of fibers to the concrete mixture can be adopted. The addition of small steel fibers with different lengths and proportion have experimentally been analyzed in terms of concrete flexural strength enhancement. The main objectives of the present study are related to the evaluation of the influence of steel fibers design on the increase of concrete flexural characteristics and on the mode of failure. Two types of beams have been investigated. The force level, deflection and time to failure of beams have been measured. The shear crack, flexural crack and intermediate shear-flexural crack have been studied. The steel fiber content controlled crack morphology. Flexural strength and time to failure of fiber reinforce concrete could be further enhanced if, instead of smooth steel fibers, corrugated fibers were used.
doi_str_mv 10.3221/IGF-ESIS.26.03
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1971-8993
language eng
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subjects Corrugated steel fiber
Flexibility of beam
Flexural crack
Flexural strength
Shear crack
Steel fiber
title An experimental study on flexural strength enhancement of concrete by means of small steel fibers
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