Study on the Permeability Characteristics of Polyurethane Soil Stabilizer Reinforced Sand

Table 4

Results of porous permeability test.

Number	PSS concentrations; (%)	Sand depth; (cm)	Initial time (s)	Water volume of 0–3 min (ml)	Water volume of 3–6 min (ml)	Water volume of 6–9 min (ml)	Water volume of 9–12 min (ml)	Water volume of 12–15 min (ml)
P-1	0%	90	108	163.58	1152.47	1158.19	1164.67	1152.22
	0%	80	/	1113.69	1119.76	1110.97	1115.56	1122.39
	0%	70	/	1018.21	1081.89	1037.63	1047.71	1059.72
	0%	60	/	858.27	871.75	864.56	853.86	854.19
	0%	50	/	724.82	733.72	718.24	720.44	786.06
	0%	40	/	699.01	710.60	677.15	702.00	697.38
	0%	30	/	698.38	676.47	692.47	691.87	695.30
	0%	20	/	501.95	508.12	486.43	469.03	489.07
	0%	10	/	365.28	419.73	392.43	383.27	388.21
P-2	1%	90	305	147.07	277.42	989.39	1062.42	1041.25
	1%	80	/	885.82	865.74	866.86	880.41	881.39
	1%	70	/	753.78	762.15	755.60	777.70	773.99
	1%	60	/	749.71	754.97	747.34	758.36	758.73
	1%	50	/	743.83	734.2	726.61	737.77	707.91
	1%	40	/	570.61	569.03	562.11	553.26	554.50
	1%	30	/	568.32	574.71	584.79	544.77	549.69
	1%	20	/	413.01	395.92	398.83	392.69	393.34
	1%	10	/	282.60	293.46	307.17	286.12	289.92
P-3	3%	90	1505	72.13	329.33	360.59	360.39	363.18
	3%	80	/	245.77	334.64	350.96	357.55	359.86
	3%	70	/	188.36	292.52	324.62	348.77	350.26
	3%	60	/	217.59	303.63	328.66	346.53	337.17
	3%	50	/	219.46	296.48	326.05	338.52	323.58
	3%	40	/	269.97	301.23	319.64	313.52	321.66
	3%	30	/	234.20	267.63	278.76	292.08	293.12
	3%	20	/	197.11	213.06	216.26	213.55	214.65
	3%	10	/	128.55	129.40	148.07	144.43	141.15
P-4	5%	90	7200	17.19	35.50	33.24	33.46	34.26
	5%	80	/	16.75	30.07	31.74	32.34	33.75
	5%	70	/	15.72	30.72	32.75	32.76	32.96
	5%	60	/	14.36	29.61	30.48	30.19	32.41
	5%	50	/	14.61	29.69	29.13	28.58	28.33
	5%	40	/	12.88	28.64	28.25	27.58	27.78
	5%	30	/	10.89	24.42	26.34	26.49	25.97
	5%	20	/	10.36	21.02	23.04	22.27	22.83
	5%	10	/	8.62	19.16	18.53	18.43	18.93