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Mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and PVA fibers in 100 cement and fly ash concrete

This experimental study investigated the effects of polyvinyl alcohol (PVA) and copper-coated steel (CCS) on the mechanical properties and the post cracking behavior of fiber reinforced concrete (FRC). In designing high-performance concrete mixes, cement replacement materials are the essential ingre...

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Main Authors: Jalal, A., Hakim, L., Shafiq, N.
Format: Article
Published: MDPI AG 2021
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85100091767&doi=10.3390%2fapp11031048&partnerID=40&md5=b8f2016dd0a9a1fbc8845e3e04384e83
http://eprints.utp.edu.my/23788/
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spelling my.utp.eprints.237882021-08-19T13:10:04Z Mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and PVA fibers in 100 cement and fly ash concrete Jalal, A. Hakim, L. Shafiq, N. This experimental study investigated the effects of polyvinyl alcohol (PVA) and copper-coated steel (CCS) on the mechanical properties and the post cracking behavior of fiber reinforced concrete (FRC). In designing high-performance concrete mixes, cement replacement materials are the essential ingredients. Therefore, the research objective was to investigate PVA and CCS fiber�s post-cracking performance in 100 cement concrete and concrete with 80 cement and 20 fly ash. The fiber content was fixed as a 0.3 volumetric fraction. CSS fibers required 15 more superplasticizer to achieve the desired slump of fresh concrete than the PVA fibers. Simultaneously, CCS fibers showed a 10 higher compressive strength than the concrete made of PVA fibers. Both fibers exhibited a similar effect in developing tensile and flexural strength. PVA fibers showed a value of 47 Gpa of secant modulus, and CCS fibers resulted in 37 Gpa in 100 cement concrete. In post-cracking behavior, CCS fibers showed better performance than the PVA fibers. The reason for this is that CCS showed 2.3 times the tensile strength of the PVA fibers. In comparing the two concretes, fly ash concrete showed about 10 higher compressive strength at 56 days and about 6 higher tensile and flexural strength. Similarly, fly ash concrete showed more than 15 first crack strength and flexural toughness than the 100 cement concrete in post-cracking behavior. Fiber-reinforced concrete containing PVA or CCS fibers showed enhanced post-cracking characteristics and its use could be preferred in structural applications. © 2021 by the authors. Licensee MDPI, Basel, Switzerland. MDPI AG 2021 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85100091767&doi=10.3390%2fapp11031048&partnerID=40&md5=b8f2016dd0a9a1fbc8845e3e04384e83 Jalal, A. and Hakim, L. and Shafiq, N. (2021) Mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and PVA fibers in 100 cement and fly ash concrete. Applied Sciences (Switzerland), 11 (3). pp. 1-14. http://eprints.utp.edu.my/23788/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description This experimental study investigated the effects of polyvinyl alcohol (PVA) and copper-coated steel (CCS) on the mechanical properties and the post cracking behavior of fiber reinforced concrete (FRC). In designing high-performance concrete mixes, cement replacement materials are the essential ingredients. Therefore, the research objective was to investigate PVA and CCS fiber�s post-cracking performance in 100 cement concrete and concrete with 80 cement and 20 fly ash. The fiber content was fixed as a 0.3 volumetric fraction. CSS fibers required 15 more superplasticizer to achieve the desired slump of fresh concrete than the PVA fibers. Simultaneously, CCS fibers showed a 10 higher compressive strength than the concrete made of PVA fibers. Both fibers exhibited a similar effect in developing tensile and flexural strength. PVA fibers showed a value of 47 Gpa of secant modulus, and CCS fibers resulted in 37 Gpa in 100 cement concrete. In post-cracking behavior, CCS fibers showed better performance than the PVA fibers. The reason for this is that CCS showed 2.3 times the tensile strength of the PVA fibers. In comparing the two concretes, fly ash concrete showed about 10 higher compressive strength at 56 days and about 6 higher tensile and flexural strength. Similarly, fly ash concrete showed more than 15 first crack strength and flexural toughness than the 100 cement concrete in post-cracking behavior. Fiber-reinforced concrete containing PVA or CCS fibers showed enhanced post-cracking characteristics and its use could be preferred in structural applications. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
format Article
author Jalal, A.
Hakim, L.
Shafiq, N.
spellingShingle Jalal, A.
Hakim, L.
Shafiq, N.
Mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and PVA fibers in 100 cement and fly ash concrete
author_facet Jalal, A.
Hakim, L.
Shafiq, N.
author_sort Jalal, A.
title Mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and PVA fibers in 100 cement and fly ash concrete
title_short Mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and PVA fibers in 100 cement and fly ash concrete
title_full Mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and PVA fibers in 100 cement and fly ash concrete
title_fullStr Mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and PVA fibers in 100 cement and fly ash concrete
title_full_unstemmed Mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and PVA fibers in 100 cement and fly ash concrete
title_sort mechanical and post-cracking characteristics of fiber reinforced concrete containing copper-coated steel and pva fibers in 100 cement and fly ash concrete
publisher MDPI AG
publishDate 2021
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85100091767&doi=10.3390%2fapp11031048&partnerID=40&md5=b8f2016dd0a9a1fbc8845e3e04384e83
http://eprints.utp.edu.my/23788/
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score 13.223943

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