Research Article
Design Method and Cost-Benefit Analysis of Hybrid Fiber Used in Asphalt Concrete
Table 3
Orthogonal experimental design and experimental results.
| | Group number | Factors and its level | Proportions (A : B : C : basic asphalt) | SDED results/(KJ/m3) | | A dosage/% | B dosage/% | C dosage/% | Parallel 1 | Parallel 2 | Average |
| | 1# | 1.8 | 1.8 | 1.8 | 1.8 : 1.8 : 1.8 : 100 | 5.8 | 5.2 | 5.5 | | 2# | 1.8 | 2.4 | 2.4 | 1.8 : 2.4 : 2.4 : 100 | 45.4 | 42.1 | 43.7 | | 3# | 1.8 | 3.0 | 3.0 | 1.8 : 3.0 : 3.0 : 100 | 31.3 | 34.5 | 32.9 | | 4# | 2.4 | 1.8 | 2.4 | 2.4 : 1.8 : 2.4 : 100 | 12.7 | 10.9 | 11.8 | | 5# | 2.4 | 2.4 | 3.0 | 2.4 : 2.4 : 3.0 : 100 | 25.5 | 24.3 | 24.9 | | 6# | 2.4 | 3.0 | 1.8 | 2.4 : 3.0 : 1.8 : 100 | 11.2 | 11.7 | 11.5 | | 7# | 3.0 | 1.8 | 3.0 | 3.0 : 1.8 : 3.0 : 100 | 22.4 | 21.3 | 21.9 | | 8# | 3.0 | 2.4 | 1.8 | 3.0 : 2.4 : 1.8 : 100 | 9.5 | 11.9 | 10.7 | | 9# | 3.0 | 3.0 | 2.4 | 3.0 : 3.0 : 2.4 : 100 | 6.7 | 7.2 | 6.9 |
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