Study on the Permeability Characteristics of Polyurethane Soil Stabilizer Reinforced Sand

Table 3

The evaluation parameters of specimens with different curing times in single-hole permeability tests.

PSS; (%)	() water flow rate at time 12–15 min; (ml/min)					() permeability coefficient; (cm/s)					() relative permeability resistance
	0 h	3 h	6 h	12 h	24 h	0 h	3 h	6 h	12 h	24 h	0 h	3 h	6 h	12 h	24 h
0	92.95	93.79	92.86	92.79	93.16						1	1	1	1	1
1	92.44	53.54	46.29	45.69	41.17						1.01	1.75	2.01	2.03	2.26
3	49.21	14.52	12.49	9.08	4.50						1.89	6.46	7.43	10.22	20.70
5	36.18	1.44	1.32	1.30	1.13						2.57	65.13	70.35	71.38	82.44
7	27.98	0.64	0	0	0			0	0	0	3.32	146.55
9	21.53	0.41	0	0	0			0	0	0	4.32	228.76