Effect of Sand and Sand-Lime Piles on the Behavior of Expansive Clay Soil

Table 1

Laboratory study program.

Test	Sand pile diameter (mm)	RAR (%)	Lime content (Lc) (%)
Clay only	0	0	0
Clay reinforced with SP	13.74	4.7	0
	20.24	10.16	0
	25.31	15.88	0
	31.47	25.47	0
	38.00	35.84	0
	47.92	56.94	0
Clay reinforced with SLP	38.00	35.84	3, 6, 9, 12, 15, 20