Research Article
Improvement of Water Stability of Sand Admixed with Water-Soluble Organic Polymer
Table 3
The results of the test with different PU content.
| Specimen number | Disintegration area (cm2)/standard deviation (cm2) | Shear strength under 100 kPa (kPa)/standard deviation (kPa) | Shear strength under 200 kPa (kPa)/standard deviation (kPa) | Shear strength under 300 kPa (kPa)/standard deviation (kPa) | Shear strength under 400 kPa (kPa)/standard deviation (kPa) | Water-stability coefficient |
| S1 | 102.91/3.46 | 0 | 0 | 0 | 0 | 0 | S2 | 64.99/1.23 | 0 | 0 | 0 | 0 | 25.75 | S3 | 49.61/0.57 | 0 | 0 | 0 | 0 | 36.19 | S4 | 29.28/0 | 49.76/1.79 | 97.67/2.16 | 145.59/3.40 | 193.50/2.91 | 80.24 | S5 | 29.28/0 | 51.66/2.71 | 100.98/2.05 | 150.29/3.94 | 199.61/2.34 | 81.26 | S6 | 29.28/0 | 53.66/2.16 | 104.24/3.56 | 154.82/1.99 | 205.40/3.70 | 82.25 | S7 | 29.28/0 | 59.22/0.14 | 112.26/3.24 | 165.29/4.72 | 218.33/5.69 | 84.65 | S8 | 29.28/0 | 81.38/1.98 | 126.51/2.46 | 171.64/3.43 | 216.77/2.21 | 88.23 | S9 | 29.28/0 | 89.28/2.74 | 135.85/3.38 | 182.42/3.93 | 228.98/4.34 | 90.94 | S10 | 29.28/0 | 121.46/1.87 | 162.15/1.15 | 202.84/0.92 | 243.53/5.36 | 98.04 | S11 | 29.28/0 | 124.50/1.87 | 168.46/1.67 | 212.42/2.05 | 256.38/3.22 | 100.00 |
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