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Technical Note

Flexural strength and cost performance of tuffcrete concrete

Chioma Awodiji, Samuel Sule

Department of Civil and Environmental Engineering, University of Port-Harcourt, Rivers State, Nigeria



Axion liquid polymer;

Axion white tuffcrete powder;

Comparative cost analysis

This study investigated the flexural strength of tuffcrete concrete in relation to nominal concrete. Tuffcrete concrete (TC) was made from Portland cement (PC), tuffcrete white powder (TWP), river sand, granite chippings, tuffcrete liquid polymer (TLP), and water. A prescribed mix of 1:2:2 (binder: sand: granite) with a diluted polymer-binder ratio of 0.6 was adopted. TWP replaced PC in percentages of 0%, 5%, 10%, 15%, 20%, and 30%. 10 liters of TLP were diluted in 200 liters of water to make the water for mixing the concrete. 12 concrete standard beams of size 100mm x 100mm x 400mm were generated and hardened in water at ambient temperature for 28 days before being laid open for flexural testing. A comparative cost analysis was also carried out on the TC with respect to regular concrete. The workability of the fresh TC was highly enhanced due to the addition of the TWP. A 69.57% increase in slump was obtained by replacing PC with just 5% TWP. Slump values kept on getting bigger as the percentage of TWP incorporation grew. However, the flexural strength of TC reduced as more and more TWP was added to the mix. Flexural strength results ranged from 9.38 N/mm2 at 0% inclusion of TWP to 4.38 N/mm2 at 30% introduction of TWP. The best substitution of PC with TWP was at 5% with a flexural strength value of 7.22 N/mm2. Cost analysis revealed that the amount for making TC is greater than that of normal concrete, mainly due to the addition of the TLP, and this does not impact positively on the flexural strengths achieved. Nevertheless, PC replacement with TWP reduced the cost of binding material. In conclusion, the use of tuffcrete concrete based on flexural strength alone may be discouraged due to cost. But improved strength properties could still be achieved with better mix designs.

© 2023 MIM Research Group. All rights reserved.


20/04/2024 Collaboration for HSTD-2024Editorial Board of our journal and Organizing Committee of the III. International Conference on High-Speed Transport Development (HSTD) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.

20/04/2024 Collaboration for DSL2024-SS1Editorial Board of our journal and Organizing Committee of the DSL2024 Fluid Flow, Energy Transfer & Design (SS1) have agreed to collaborate. Extended versions of the selected papers from the session will be published in our journal. For more see Events. .

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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2023 Reviewer Awards:

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

2023 Best Paper Award:

The paper authored by Ferzan Fidan, Naim Aslan, Mümin Mehmet Koç entitled as “Morpho-structural and compressive mechanical properties of graphene oxide reinforced hydroxyapatite scaffolds for bone tissue applications” is awarded.

2023 Most Cited Paper Award:

The paper authored by Ercan Işık, Ehsan Harirchian, Hüseyin Bilgin, Kirti Jadhav entitled as “The effect of material strength and discontinuity in RC structures according to different site-specific design spectra" is awarded.


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