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VOL. 10, ISSUE 1 (2024)
Comparative analysis of the strength of periwinkle shell ash concrete and periwinkle shell dust concrete
Authors
Zuberu Mark Onimisi, Mohammad Rufai, Abdullahi Musa
Abstract
The constant demand
for building material such as concrete as increase significantly due to the
increasing global population. However, to meet up with this demand several
innovations in terms of different materials have been researched upon. One of
such is the use of agro-waste as partially replacement for cement in concrete.
The research compares two variations of such agro-waste material: Periwinkle
shell. The Periwinkle shell ash (PSA) was obtained from the burning of the
periwinkle shell at 6000c in a closed system while the Periwinkle
shell dust(PSD) was obtained from the process of grounding dried periwinkle
shell to powdery form. The percentage replacement used were 5%, 10% and 20% for
strength grade of 20N/mm2, 25N/mm2, 30N/mm2
and 40N/mm2. It is observed that when cement was replacement with
10% PSA, the maximum strength was achieved, while 5% replacement gave PSD its
maximum compressive concrete strength. The test for physical properties, it was
realized that at 20% PSD replacement the consistency of the paste failed and
was attributed to the presence of organic matter and high free-lime CaO
content. The pore of the concrete increased with increase in percentage
replacement for both materials which lead to weakness in the adhesive strength
of the composite materials and reduce compressive strength for both sets of
concrete.
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Pages:42-47
How to cite this article:
Zuberu Mark Onimisi, Mohammad Rufai, Abdullahi Musa "Comparative analysis of the strength of periwinkle shell ash concrete and periwinkle shell dust concrete". International Journal of Research in Advanced Engineering and Technology, Vol 10, Issue 1, 2024, Pages 42-47
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