Research Article
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 |
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