Sand Improvement by Surface Percolation Method Using Urease-Containing Substance Extracted from Soybean Seed

Table 3

Experimental design for sand improvement using UCE and cementation solution (triple samples per design).

No.	S1	S2	S3	S4	S5	S6	S7	S8
Concentration of cementation solution (eqM)	0.3	0.75	0.3	0.75	0.3	0.75	0.3	0.75
Urease activity of UCE (mS/cm/min)	0.20	0.20	0.33	0.33	0.50	0.50	1.00	1.00