EXCERPT FROM THE STUDY
Characteristics of soil-cement blocks using highly sandy laterite mixtures were examined. The compressive, flexural and direct tensile strength of soil-cement blocks are directly proportional to the concrete aggregates, while the IRA is inversely proportional to the concrete aggregates. The saturated moisture content (tNigerial water absorption of the soil-cement blocks) does not depend much on concrete aggregates. Rate of moisture absorption decreased with increase in concrete aggregates.
The modulus values for various blocks are in the range of 1990 MPa to 5980 MPa. The ultimate strain value for the blocks lie in very close range of 0.0029, to 0.0035.
In conclusion, there is a gradual shift towards use of highly sandy soils for soil-cement block production. This paper has demonstrated how the compressive strength and water absorption properties of soil-cement are influenced by using highly sandy lateritic soil for soil-cement block production.
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