Treatment of Clay with Oil Palm Fibre Ash and Rice Husk Ash Mixture for Burnt Clay Bricks Production

Amos Yala Iorliam; Robert Ahen Chenge; Dickson Sooter Kuhwa

doi:10.52589/IJMCE-QQXKEW59

Treatment of Clay with Oil Palm Fibre Ash and Rice Husk Ash Mixture for Burnt Clay Bricks Production | AB Journals

Treatment of Clay with Oil Palm Fibre Ash and Rice Husk Ash Mixture for Burnt Clay Bricks Production

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International Journal of Mechanical and Civil Engineering

Vol. 5Issue 12022pp. 39–54Published 18 October 2022

DOI 10.52589/IJMCE-QQXKEW59

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Abstract:

The current study examines the use of oil palm fibre ash (OPFA) and rice husk ash (RHA) mixture in the treatment of A-6 Makurdi clay for burnt brick production. The results show that the compressive strength of 9.4 MN/m2 for burnt untreated brick increased to 10.86 MN/m2 for burnt 2%OPFA+2%RHA treated brick. The corresponding water absorption of 14.9% for the burnt untreated brick increased to 16.2% for burnt 2%OPFA+2%RHA treated brick. The strength value of 10.86 MN/m2 is greater than 10.3 MN/m^2 which is the minimum strength value for negligible weather (NW) conditions. The water absorption of 16.2% is less than 17%, 22% and ‘no limit’ which are the maximum values for severe weather (SW), moderate weather (MW) and NW respectively. Based on combined strength and water absorption criteria, burnt bricks production with 2%OPFA+2%RHA treated A-6 Makurdi clay is adequate for use as a load-bearing brick in wall areas of NW condition.

Keywords:Burnt clay bricks oil palm fibre ash rice husk ash compressive strength water absorption.

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