3.1.1 lime stabilization 11 3.1.2 cement stabilization 12 3.1.3 limefly ash (lf) and limecementfly ash 12 (lcf) stabilization 3.2 desirable properties of lime, cement and fly ash for 13 stabilization 3.3 selection of stabilizer 16 3.4 two stage stabilization using lime followed by cement 16 3.5 modification and cementation 17.