Thermal and mechanical study of laterite stabilized with lime for sustainable building applications in sahel countries

In this work, we have determined the thermophysical parameters of various formulations with laterite and slaked lime. This shows that the thermal conductivity decreases when the lime rate is lower than 4% and increases when the rate is higher than 4%. The thermal conductivity was for a rate of 4%; it increases to 21.13% for 16% of lime used. We found that the compressive strength increases but very slowly. However, the increase in mechanical strength of the various formulations still remains lower than the strength of the laterite without lime. Lime has a significant impact on the thermal properties, but this impact on the mechanical properties is low, since the mechanical strength increases by 6.84% for rates of 12% and 16% of lime used.