Effects of Granite Sourced from Selected Locations in Ogbomoso, Nigeria on the Properties of Concrete

Abstract:

Aggregates constitute 60 – 80% of total concrete constituents. The characteristics of concrete may be affected by the sources from which the aggregate was obtained. The effects of granite sourced from four selected locations within Ogbomoso, Nigeria; on the fresh and hardened properties of concrete were investigated. The granites were obtained from: Asafa (8⁰ 4.68¹ N and 4⁰ 20.78¹ E), Ola-jesu (8⁰ 13.59¹ N and 4⁰ 10.1¹ E), Igbo-ile (8⁰ 4.68¹ N and 4⁰ 19.57¹ E) and Apasu (8⁰ 14.96¹ N and 4⁰ 10.05¹ E). Sieve analysis, specific gravity, moisture content, Aggregate Crushing Value (ACV) and Aggregate Impact Value (AIV) of the granites were determined. The aggregates were used to produce concrete of two different mix ratio-1:2:4 and 1:3:6. Slump and compaction factor tests were carried out on fresh concrete and compressive strength, splitting tensile strength and water absorption on hardened concrete. The results indicated that granite obtained from Asafa and Ola-jesu exhibited improved characteristics over those sourced from Igbo-ile and Apasu and are more suitable for use in producing high-quality concrete.

• Periodical: Advances in Science and Technology (Volume 107)
• Pages: 113-121
• DOI: https://doi.org/10.4028/www.scientific.net/AST.107.113
• Online since: June 2021
• Authors: Akeem Ayinde Raheem, Bolanle Deborah Ikotun*, S. Oyetunde Akinloye
• Keywords: Aggregate Crushing Value, Aggregate Impact Value, Compressive Strength, Granite, Splitting Tensile Strength

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