Research Article
Design and Experimental Verification of Asphalt-Based Material for Grouting of Prestressed Structure
Table 11
Viscosity for asphalt-based grouting material with different ratios of admixture.
| Group | Slurry composition | Ratio of admixture | Viscosity (Pa·s) | 90°C | 110°C | 130°C |
| R1 | Matrix asphalt + BRA + cement | 0% | 4.13 | 1.22 | 0.53 | 10% | 6.11 | 1.76 | 0.67 | 20% | 8.42 | 2.36 | 0.84 | 30% | 9.97 | 2.52 | 0.86 | 40% | 11.21 | 2.74 | 1.11 | 50% | 12.35 | 3.03 | 1.26 |
| R2 | Matrix asphalt + BRA + silicon powder | 0% | 4.13 | 1.22 | 0.52 | 10% | 4.38 | 1.41 | 0.63 | 20% | 7.01 | 1.93 | 0.65 | 30% | 8.23 | 2.38 | 0.81 | 40% | 9.83 | 2.56 | 1.03 | 50% | 11.05 | 2.85 | 1.08 |
| R3 | Matrix asphalt + BRA + (slaked lime : cement = 1 : 9) | 0% | 4.13 | 1.22 | 0.53 | 10% | 9.36 | 2.63 | 0.95 | 20% | 13.61 | 4.06 | 1.13 | 30% | 16.60 | 4.77 | 1.32 | 40% | 24.02 | 5.87 | 1.50 | 50% | 32.91 | 7.91 | 1.92 |
| R4 | Matrix asphalt + SBS asphalt + cement | 0% | 4.76 | 1.41 | 0.58 | 10% | 5.82 | 1.67 | 0.64 | 20% | 7.72 | 2.16 | 0.75 | 30% | 9.17 | 2.42 | 0.91 | 40% | 10.70 | 2.63 | 1.05 | 50% | 11.46 | 2.91 | 1.18 |
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