Research Article
Strength and Road Performance of Superabsorbent Polymer Combined with Cement for Reinforcement of Excavated Soil
Table 4
Compactness of representative symbols.
| | Symbol | Optimal water content (%) | ρdmax (g/cm3) | ρd-3d (g/cm3) | Compactness of 3 d (%) | ρd-7d (g/cm3) | Compactness of 7 d (%) |
| | Undisturbed soil | 16.576 | 1.840 | — | — | — | — | | C4 | 16.902 | 1.872 | 1.717 | 91.72 | 1.736 | 92.74 | | L2C4 | 17.359 | 1.737 | 1.609 | 92.63 | 1.627 | 93.67 | | C4S30 | 18.906 | 1.814 | 1.712 | 94.38 | 1.732 | 95.48 | | L2C4S30 | 19.132 | 1.763 | 1.661 | 94.21 | 1.679 | 95.24 |
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