Research Article
Improvement of Water Stability of Sand Admixed with Water-Soluble Organic Polymer
Table 6
The results of turbidity measurements.
| | Number | Immersion time (h) | Density (g/cm3) | PU content (%) | (NTU)/standard deviation (NTU) | (NTU)/standard deviation (NTU) | Number | Immersion time (h) | Density (g/cm3) | PU content (%) | (NTU)/standard deviation (NTU) | (NTU)/standard deviation (NTU) |
| | S1 | 24 | 1.40 | 0 | 84.5/1.61 | 11.8/0.36 | S11 | 24 | 1.40 | 5 | 8.0/0.27 | 8.3/0.25 | | S2 | 24 | 1.40 | 0.1 | 74.9/2.49 | 9.0/0.44 | S12 | 24 | 1.50 | 2 | 7.8/0.34 | 7.2/0.17 | | S3 | 24 | 1.40 | 0.2 | 65.3/2.35 | 8.0/0.08 | S13 | 24 | 1.60 | 2 | 7.8/0.36 | 6.2/0.29 | | S4 | 24 | 1.40 | 0.3 | 45.8/2.53 | 8.3/0.98 | S14 | 0 | 1.40 | 2 | 7.2/0.36 | 6.8/0.24 | | S5 | 24 | 1.40 | 0.4 | 10.9/0.30 | 8.1/0.29 | S15 | 1 | 1.40 | 2 | 7.4/0.14 | 6.8/0.22 | | S6 | 24 | 1.40 | 0.5 | 8.3/0.38 | 8.4/0.27 | S16 | 3 | 1.40 | 2 | 7.8/0.03 | 6.9/0.08 | | S7 | 24 | 1.40 | 1 | 8.2/0.39 | 8.3/0.38 | S17 | 6 | 1.40 | 2 | 7.8/0.28 | 7.2/0.10 | | S8 | 24 | 1.40 | 2 | 7.5/0.31 | 7.9/0.30 | S18 | 12 | 1.40 | 2 | 7.1/0.23 | 6.5/0.22 | | S9 | 24 | 1.40 | 3 | 8.1/0.27 | 8.4/0.11 | S19 | 48 | 1.40 | 2 | 7.6/0.20 | 7.9/0.26 | | S10 | 24 | 1.40 | 4 | 7.8/0.14 | 8.2/0.18 | S20 | 72 | 1.40 | 2 | 7.5/0.19 | 7.1/0.14 |
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