Experimental Study on the Feasibility of Using Water Glass and Aluminum Sulfate to Treat Complications in High Liquid Limit Soil Subgrade

Table 3

Results of CBR experiment.

Sample state	Untreated soil	Improved soil; (7 days)	Improved soil; (28 days)
CBR % after 0 cycles	6.1	18.3	19.3
CBR % after 3 cycles	2.7	15.6	16.1
Reduced percentage of CBR after 3 cycles %	55.7	14.8	16.6