Research Article
Investigation of the Performance of the Ecofriendly Fiber-Reinforced Asphalt Mixture as a Sustainable Pavement Material
Table 5
Improvement of asphalt mixture performance by addition of different fibers.
| Types of fibers | Optimum fiber content (%) | Improvement of asphalt mixture performance | Reference | Dynamic stability (times/mm) | Max. bending stress (MPa) (%) | Max. tensile strain (με) (%) | TSR (%) | Fatigue life | Stress ratio | Number of fatigue life cycles (%) |
| CSWF | 0.4 | +44.16 | +17.0 | +13.9% | 86.7 | 0.3 | +54.2% | This paper | Brucite fiber | 0.4 | +53.8 | +23.4 | +13.0% | 87.5 | 0.3 | +18.3% | [13] | Lignin fiber | 0.35 | +8.4 | +11.7 | +6.0% | 68.0 | 0.3 | +68.1% | [29] | Diatomite + glass fiber | 0.2 + 0.3 | +77.4 | +9.6 | +26.2% | — | 0.4 | +114.3% | [30] | Basalt fiber | 0.4 | +82.5 | +22.5 | — | 93.0 | — | — | [8] | Polyester fiber | 0.35 | +19.5 | +8.1 | +4.0% | 77.5 | 0.3 | +59.8% | [29] | Polyacrylonitrile fiber | 0.35 | +32.5 | +6.4 | +2.0% | 75.5 | 0.3 | +130.0% | [29] |
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