Research Article
Improvement of Water Stability of Sand Admixed with Water-Soluble Organic Polymer
Table 2
The detailed parameters of the specimens.
| Number | Immersion time (h) | Density (g/cm3) | PU content (%) | Number | Density (g/cm3) | Immersion time (h) | PU content (%) |
| S1 | 24 | 1.40 | 0 | S11 | 1.40 | 24 | 5 | S2 | 24 | 1.40 | 0.1 | S12 | 1.50 | 24 | 2 | S3 | 24 | 1.40 | 0.2 | S13 | 1.60 | 24 | 2 | S4 | 24 | 1.40 | 0.3 | S14 | 1.40 | 0 | 2 | S5 | 24 | 1.40 | 0.4 | S15 | 1.40 | 1 | 2 | S6 | 24 | 1.40 | 0.5 | S16 | 1.40 | 3 | 2 | S7 | 24 | 1.40 | 1 | S17 | 1.40 | 6 | 2 | S8 | 24 | 1.40 | 2 | S18 | 1.40 | 12 | 2 | S9 | 24 | 1.40 | 3 | S19 | 1.40 | 48 | 2 | S10 | 24 | 1.40 | 4 | S20 | 1.40 | 72 | 2 |
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PU content is the weight ratio of desired PU to dry sand. |