Research Article

Effect of Fly Ash and Cement on the Engineering Characteristic of Stabilized Subgrade Soil: An Experimental Study

Table 3

Atterberg limits in subgrade soil by adding fly ash and cement.

Mix ratioPLLLPlasticity index

Soil+0% FA+0% OPC19.529.5110.0
Soil+5% FA+2% OPC23.90534.7810.87
Soil+10% FA+4% OPC22.5831.719.13
Soil+15% FA+6% OPC18.9828.679.72