Performance of different fibre types in alkaline-activated concrete produced with industrial wastes: volcanic rock powder and blast furnace slag
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Scopus EXPORT DATE: 07 June 2024 @ARTICLE{Aksüt2024, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85194060679&doi=10.1080%2f19648189.2024.2357682&partnerID=40&md5=6d9632f3103e9b17db2a1c7eb46a9ebd}, affiliations = {Department of Civil Engineering, Faculty of Engineering and Natural Sciences, Gumushane University, Gumushane, Turkey; Department of Mining Engineering, Faculty of Engineering and Natural Sciences, Gumushane University, Gumushane, Turkey}, correspondence_address = {Y.S. Aksüt; Department of Civil Engineering, Faculty of Engineering and Natural Sciences, Gumushane University, Gumushane, 29100, Turkey; email: yselimaksut@gumushane.edu.tr}, publisher = {Taylor and Francis Ltd.}, issn = {19648189}, language = {English}, abbrev_source_title = {Eur. J. Environ. Civ. Eng.} }Abstract
The objective of the study is to determine the effects of different fibre types and ratios on the mechanical and physical properties of alkali-activated concrete (AAC) and to optimise important properties such as workability, unit weight, water absorption, compressive strength, modulus of elasticity and abrasion resistance of these concretes. Concrete samples were produced using steel and polyester fibres at ratios of 0.25%, 0.50%, 0.75% and 1%. The fibre ratios were varied, and various tests were conducted to determine the mechanical and physical properties of the concrete samples. The experiments clearly revealed the effects of fibre types and ratios on the performance of concrete. These results clearly demonstrate the effects of different fibre types and ratios on the mechanical and physical properties of AACs. Particularly noteworthy is the water-retaining property of polyester fibres, their effect on workability and their enhancing effect on abrasion resistance. The effects of steel fibres on compressive strength and modulus of elasticity are more pronounced, but they may present disadvantages in terms of workability and abrasion resistance. It is observed that mixed fibre usage provides a good balance in some properties. This study provides a roadmap for evaluating sustainable material options in the concrete industry and guiding future research. © 2024 Informa UK Limited, trading as Taylor & Francis Group.
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https://hdl.handle.net/20.500.12440/6265