Self-Compacting Concrete Reinforced with Steel Fibers from Scrap Tires: Rheological and Mechanical Properties

H. Younis, Khaleel and S. Ahmed, Fatima and B. Najim, Khalid (2018) Self-Compacting Concrete Reinforced with Steel Fibers from Scrap Tires: Rheological and Mechanical Properties. Eurasian Journal of Science and Engineering, 4 (1). pp. 1-11. ISSN 24145629

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The aim of this study is to evaluate the rheological behavior and the mechanical performance of SCC with different contents and lengths of recycled steel fiber (RSF) recovered from scrap tires. The rheological properties investigated in this study include: slump flow, J-ring, L-box, and V-funnel tests. The mechanical properties include: compressive and flexural strength. The parameters of the study are fiber content and length. In total, thirteen self-compacting concrete (SCC) mixtures were prepared. Three fibers contents 30, 60 and 90 kg/m3 were investigated and for each fiber contents Wf , four mixes were prepared with four different fiber lengths (Lf) (10, 15, 25, 35 mm). A control mix (plain SCC) was also prepared for comparison reasons. The results showed that the addition of RSF decreased the slump flow, slowed down the flow rate and increased the V-funnel time but maintained the requirement of SCC up to 60 kg/m3 fiber content. Shorter fibers had less effect on the rheological behavior of SCC than long fibers. Both RSF content and length affected the compressive strength and the flexural strength of SCC. Long RSF reduced compressive strength but increased the flexural strength.

Item Type: Article
Uncontrolled Keywords: Recycled Steel Fiber, SCC, Rheological Properties, Compressive Strength, Flexural Strength
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Eurasian Journal of Science and Engineering > VOL 4, NO 1 (2018)
Depositing User: ePrints deposit
Date Deposited: 12 Sep 2020 20:54
Last Modified: 12 Sep 2020 20:54

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