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Lime-fly ash or lime-cement-fly ash combinations can be used to secure any sand, gravel, or mix of sand/gravel soil. These dirts should not consist of greater than 12 percent penalties, and also their Plasticity Index should not be more than 25%. So stabilisation making Click here for info use of LF or LCF is often acceptable for base and also subbase course materials. Stabilization of soil may be accomplished using mechanical, chemical, electrical, or thermal processes.