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Research Article

Evaluation of fresh and hardened properties of blended silica fume self-compacting concrete (SCC)

Olatokunbo M. Ofuyatan1, Adewale George Adeniyi2, Joshua O. Ighalo2

1Department of Civil Engineering, College of Engineering, Covenant University Ota, Lagos, Nigeria
2Department of Chemical Engineering, Faculty of Engineering and Technology, University of Ilorin, Ilorin, P. M. B. 1515, Nigeria

Keywords

Abstract



Self Compacting Concrete; 

 Silica Fume; 

Cement; 

 Concrete; 

 Partial Replacement


Recent technologies now investigate the use of materials that can serve as partial cement replacement and also impact on self-compacting ability in concrete mixtures. In this study, fresh and hardened properties of self-compacting concrete containing silica fumes as partial replacement for cement were evaluated. Cement was replaced by silica fume in the extent of 15%, 25% and 35% by volume alongside the control mix (0%). The flow test, V-funnel test and L-box test were conducted on the fresh concrete. The compressive strength, flexural strength, water absorption property and microstructural properties of the hardened concrete were determined. Utilisation of silica fume as partial cement replacement improved the fresh state properties of the concrete in the domain of the flow-ability. Higher partial replacement led to lesser compressive and flexural strength due to weak interfacial transition zone, the porosity of the mortar during adhesion to the fine and coarse aggregates. Rapid water absorption was observed after the first day of the concrete preparation which gradually tailed off with time.

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8/12/2023 Special Issue: Embark on a journey of innovation with the journal of Research on Engineering Structures and Materials as we unveil a compelling opportunity for contributors in our upcoming special issue, "Design, Analysis, and Manufacturing of Composite Vehicle Structures." Led by distinguished Guest Editors Liubov Gavva and Oleg Mitrofanov from Moscow Aviation Institute. For more info see the link.


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27/12/2022 Reviewer AwardsThe winners of 2022 reviewer awards of Research on Engineering Structures and Materials (RESM) are announced. More information can be found at Reviewer Awards section. 


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LATEST AWARDS


2022 Reviewer Awards:

Please, visit Reviewer Awards section for the winners of the 2022 RESM reviewer awards.


2022 Best Paper Award:

The paper authored by Nitin Kumar, Michele Barbato, Erika L. Rengifo-López and Fabio Matta entitled as “Capabilities and limitations of existing finite element simplified micro-modeling techniques for unreinforced masonry” is awarded the 


2022 Most Cited Paper Award:

The paper authored by Aykut Elmas, Güliz Akyüz, Ayhan Bergal, Müberra Andaç and Ömer Andaç entitled as “Mathematical modelling of drug release" is awarded the


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