Influence of microsilica and polypropylene fibers on the fresh and mechanical properties of ultra-high performance geopolymer concrete (UHP-GPC)

Tayeh, BA; Akeed, MH; Qaidi, S; Abu Bakar, BH

Influence of microsilica and polypropylene fibers on the fresh and mechanical properties of ultra-high performance geopolymer concrete (UHP-GPC)

Tayeh, BA Akeed, MH Qaidi, S Abu Bakar, BH

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Publisher:: Elsevier
Publication Type:: Journal Article
Citation:: Case Studies in Construction Materials, 2022, 17, pp. e01367
Issue Date:: 2022-12

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Field	Value	Language
dc.contributor.author	Tayeh, BA
dc.contributor.author	Akeed, MH
dc.contributor.author	Qaidi, S
dc.contributor.author	Abu Bakar, BH
dc.date.accessioned	2023-07-05T02:47:16Z
dc.date.available	2023-07-05T02:47:16Z
dc.date.issued	2022-12
dc.identifier.citation	Case Studies in Construction Materials, 2022, 17, pp. e01367
dc.identifier.issn	2214-5095
dc.identifier.uri	http://hdl.handle.net/10453/171191
dc.description.abstract	The goal of this research is to identify the impact of microsilica and polypropylene fibers (PF) on the mechanical characteristics of an ultra-high performance geopolymer concrete (UHP-GPC). The workability, compressive strength, modulus of elasticity, and splitting tensile strength of a total of 20 concrete mixtures were evaluated experimentally. To produce the mixtures, PF was utilized at four different volume fractions: 0 %, 0.75 %, 1.75 %, and 2.75 %. Moreover, five microsilica levels were employed in terms of the total mass of the binder: 0 %, 7.5 %, 15 %, 25 %, and 35 %. The findings showed that when 15 % microsilica was added to UHP-GPC, the mechanical characteristics were significantly degraded, but then enhanced when more than 15 % microsilica was added. Furthermore, PF contributes significantly to the mechanical characteristics of UHP-GPC and introducing 2.75 % PF minimizes a significant drop in the characteristics of UHP-GPC when 15 % microsilica is employed. ‎
dc.language	en
dc.publisher	Elsevier
dc.relation.ispartof	Case Studies in Construction Materials
dc.relation.isbasedon	10.1016/j.cscm.2022.e01367
dc.rights	info:eu-repo/semantics/openAccess
dc.subject.classification	4005 Civil engineering
dc.title	Influence of microsilica and polypropylene fibers on the fresh and mechanical properties of ultra-high performance geopolymer concrete (UHP-GPC)
dc.type	Journal Article
utslib.citation.volume	17
utslib.copyright.status	open_access	*
pubs.consider-herdc	true
dc.date.updated	2023-07-05T02:47:14Z
pubs.publication-status	Published
pubs.volume	17

Abstract:

The goal of this research is to identify the impact of microsilica and polypropylene fibers (PF) on the mechanical characteristics of an ultra-high performance geopolymer concrete (UHP-GPC). The workability, compressive strength, modulus of elasticity, and splitting tensile strength of a total of 20 concrete mixtures were evaluated experimentally. To produce the mixtures, PF was utilized at four different volume fractions: 0 %, 0.75 %, 1.75 %, and 2.75 %. Moreover, five microsilica levels were employed in terms of the total mass of the binder: 0 %, 7.5 %, 15 %, 25 %, and 35 %. The findings showed that when 15 % microsilica was added to UHP-GPC, the mechanical characteristics were significantly degraded, but then enhanced when more than 15 % microsilica was added. Furthermore, PF contributes significantly to the mechanical characteristics of UHP-GPC and introducing 2.75 % PF minimizes a significant drop in the characteristics of UHP-GPC when 15 % microsilica is employed. ‎

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http://hdl.handle.net/10453/171191