Abstract
We characterized the mechanical and thermophysical properties of the compressed earth bricks (CEB) incorporating cotton waste ash. The obtained values of compressive strength are acceptable, as they are well above the limits set by the standards for CEB in Cameroon. Regarding the thermophysical properties, the measured heat capacity decreases by 17% compared to cement stabilization, which is an improvement in the material’s ability to store heat. Thermal conductivity is reduced by 28% compared to the cement formulation. Therefore, the incorporated material improves the natural thermal comfort of buildings. Water absorption tests have shown that these materials absorb less water.
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