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

Table 1

Quantities of calcium chloride and urea used for preparing cementation solution at different concentrations.

No.	Cementation solution	CO (NH2)2 (g/l)	CaCl2.2H2O (g/l)
1	0.3 eqM CaCl2.2H2O & urea	18.018	44.1
2	0.75 eqM CaCl2.2H2O & urea	45.045	110.26