Experimental study on the road properties of high liquid limit soil improved by lime

Based on the characters of high liquid limit soil, the modified experiments are completed by adding different ratios of lime to modify the high liquid limit soil, and the physical and mechanical properties and the change laws of strength are studied. The optimum lime mixture is determined by experiments in the lab. The results show that high liquid limit soil can be well used as subgrade filling of expressway only after being treated with 6% lime.