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ICWET'21  

         

ULIBTK 2021

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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.

© 2021 MIM Research Group. All rights reserved.

LATEST News


15/03/2021 Collaboration for ICWET'21: Editorial Board of our journal and Organizing Committee of the6th International Conference on Welding Technologies and Exibition (ICWET’21) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


11/02/2021 Collaboration for ULIBTK 2021: Editorial Board of our journal and Organizing Committee of the 23. Congress on Thermal Science and Technology (ULIBTK 2021) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


31/12/2020 Most Cited Award: 

According to the Editorial Board evaluation, the paper authored by Nelson Batista, Rui Melicio, Victor Mendes entitled as “Darrieus vertical axis wind turbines: methodology to study the self-start capabilities considering symmetric and asymmetric airfoils" is awarded the 2020 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM).


31/12/2020 Best Paper Award:

According to the Advisory Board decision, the paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 2020 Best Paper Award of Research on Engineering Structures and Materials (RESM).


02/11/2020 Indexed by SCOPUS: We are informed that our journal is accepted to be included in the SCOPUS Index. See news for more info.


(More details of the news may be given in the News section)


For more see News...

LATEST AWARDS


2020 Most Cited Paper Award:

The paper authored by Nelson Batista, Rui Melicio, Victor Mendes entitled as “Darrieus vertical axis wind turbines: methodology to study the self-start capabilities considering symmetric and asymmetric airfoils" is awarded the


2020 Best Paper Award:

The paper authored by Ahsen Ünal, Işıl Özer, Melek Erol Taygun, Sadriye Küçükbayrak entitled as “Fabrication and in-vitro evaluation of copper doped bioactive glass/polymer composite scaffolds for bone tissue engineering” is awarded the 


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Last Update:

17.06.2021

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