Compressed earth blocks can be stabilized or not. Additives for stabilization are cement or lime.

The input of soil stabilization allows for higher buildings with thinner walls, which have a much better compressive strength and water resistance. Cement stabilization is better for sandy soils. Lime stabilization is better suited for clayey soils. The selection of a stabilizer will depend upon the soil quality and the project requirements.

Cement will be preferable for sandy soils and to achieve quickly a higher strength. Lime will be rather used for very clayey soil, but will take a longer time to harden and to give strong blocks.

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