Issue |
MATEC Web Conf.
Volume 199, 2018
International Conference on Concrete Repair, Rehabilitation and Retrofitting (ICCRRR 2018)
|
|
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Article Number | 11005 | |
Number of page(s) | 5 | |
Section | Concrete Materials Technology | |
DOI | https://doi.org/10.1051/matecconf/201819911005 | |
Published online | 31 October 2018 |
Mechanical properties of Hybrid steel/PVA fibers reinforced high strength concrete
1
Assistant Professor, Department of Civil Engineering, UET, Lahore, Pakistan
2
Professor, Department of Civil Engineering, King Saud University, Riyadh, Saudi Arabia
* Corresponding author: miqbal@ksu.edu.sa
The high strength concrete exhibits improved compressive strength with drawback of brittle failure due to lack of tensile strength which can be catered by the addition of fibers. The efficient use of fibers with hybridization at macro and micro level can improve mechanical properties of high strength concrete. The effect of hybridization of hooked end steel macro fibers (60 mm) and PVA micro fibers (12 mm) with different dosages was investigated in this research work. The different percentage of steel and PVA were hybridized to find out the best combination of hybridized fibers in high strength concrete. The compressive and flexural properties of high strength concrete along with complete load vs deflection behaviour of hybrid fiber reinforced concrete were investigated. The results revealed that hybridization of macro and micro fibers provided better improvement in flexural performance. It was observed from the results that the hybrid combination of fibers of 1% macro steel fiber and 0.15% micro PVA fibers proved to be the best for enhancement in flexural performance of high strength concrete.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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