Research Article

Swelling Potential of Clayey Soil Modified with Rice Husk Ash Activated by Calcination for Pavement Underlay by Plasticity Index Method (PIM)

Figure 6

Swelling potential behavior of quicklime (CaO), hydrated lime (Ca (OH)2), and calcite- (CaCO3-) activated rice husk ash (QARHA, HARHA, and CARHA) treated clayey soils.