Effect of Strength Enhancement of Soil Treated with Environment-Friendly Calcium Carbonate Powder

Table 3

Curing period to compare the strength of calcium carbonate specimens (unit: kPa).

Test ID	Curing period to compare the strength of calcium carbonate specimens
	3 days	7 days	14 days	21 days	28 days
Untreated	53.42	54.42	59.17	60.32	64.10
C-2%	84.57	92.44	98.35	103.34	139.88
C-4%	120.69	142.10	159.60	168.16	205.78
C-6%	152.48	158.88	173.12	237.24	249.08
C-8%	199.95	251.43	254.20	281.71	378.86