Effect of Maximum Particles Size on Compressive Strength of Cement Stabilised Compressed Earth Blocks
Keywords:Laterite, Stabilizers, Compressive Strength, Compressed Earth Block, Cement
This paper reports an experimental investigation into the effects of particles size on the compressive strengths of Cement stabilised Compressed Earth Blocks of mix ratio 8% and 10% , (of cement), using varying soil particle sizes of 2mm, 1.25mm, 0.63mm, and 0.40mm. The compressed bricks were crushed for strength at 7 days, 14 days, and 28 days. The results showed that the compressive strength at 7 days were 1.53 Nmm-2 for 2mm; 1.7 Nmm-2 for 1.25mm; 1.8Nmm-2 for 0.63mm; and 1.94 Nmm-2 for 0.40mm. For 14 days, with 2mm, 1.25mm, 0.63mm, and 0.40mm maximum particle sizes the strength were 1.7 Nmm-2, 1.82 Nmm-2, 2.17 Nmm-2, 2.24, Nmm-2. While at 28 days were the strength were 2.34 Nmm-2, 2.83 Nmm-2, 3.49 Nmm-2, and 4.19 Nmm-2 for 2mm, 1.25mm, 0.63mm, and 0.40mm respectively. In summary, the result shows increase in strength with decrease in particle size of soil and increase in days of curing.
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