| Issue |
MATEC Web Conf.
Volume 162, 2018
The 3rd International Conference on Buildings, Construction and Environmental Engineering, BCEE3-2017
|
|
|---|---|---|
| Article Number | 02012 | |
| Number of page(s) | 7 | |
| Section | Building Materials Engineering and Construction Management | |
| DOI | https://doi.org/10.1051/matecconf/201816202012 | |
| Published online | 07 May 2018 | |
Properties of foamed concrete reinforced with hybrid fibres
1
Building and Construction Engineering Department, University of Technology, Iraq
2
Building and Construction Engineering Department, Technical College of Mosul, Iraq
* Corresponding author: waleedalqaisi@yahoo.com
The properties of foamed concrete reinforced with carbon fibres and hybrid fibres of carbon with polypropylene fibres has been studied. Various volumetric fractions of carbon fibres (0.5, 1 and 1.5%), hybrid fibres of carbon fibres (CF) with polypropylene fibres (PPF) as (1% CF + 0.5% PPF) & (0.5% CF + 1% PPF), also the mono polypropylene fibres as 1.5% PPF were used to reinforce foamed concrete mix. Fresh and hardened properties of all mixes included flowability, density, absorption, compressive strength, splitting tensile strength, and flexural strengths has been tested. Results showed that inclusion of carbon fibres up to 1% volumetric fraction may increase the compressive strength by about 36% higher than that of control mix. Whereas, the use of 1.5% carbon fibres exhibit significant increase in splitting and flexural tensile strengths by about 47 and 114%, respectively, compared to the reference mix. On the other hand, the hybridization of 1% CF + 0.5% PPF increased the splitting tensile strength and flexural strengths by 53% and 114%, respectively, compared with plain foamed concrete mix.
Key words: Foamed concrete / Carbon fibres / Hybrid fibres / Economical Efficiency
© 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, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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