A Fatigue Test on Fiber Reinforced Asphalt Mixtures

by Yang Guo, Ph.D., Institute of Road and Bridge Engineering, Dalian Maritime University, 116026, Dalian, China;, yangyang600eiv@163.com,
Yinghua Zhao, Professor; Institute of Road and Bridge Engineering, Dalian Maritime University, 116026, Dalian, China;, yhzhao@newmail.dlmu.edu.cn,
Naisheng Guo, Lector; Institute of Road and Bridge Engineering, Dalian Maritime University, 116026, Dalian, China, gnsdy@163.com,



Document Type: Proceeding Paper

Abstract: This research focuses on the use of Bonifibers as the reinforcement for improving the fatigue endurance of asphalt mixture, which is an important property of the pavement structure. Fiber reinforcement as an available attempt has been proved to be effective in improving the toughness of asphalt concrete, and is becoming a new method for highway maintenance. For the purpose of examining the influence of the addition of Bonifibers on the durability of asphalt concrete pavement, a fatigue test was developed on MTS-810. 96 beam specimens of two kinds of asphalt mixture including AC-20 densely-graded bituminous concrete and SMA-13 stone mastic asphalt were fabricated and tested. The test results showed that the addition of the fibers decelerates the deflection development and crack evolution significantly. It was concluded that, polyester fiber reinforced asphalt mixtures behaves much better in the resistance to fatigue than that of plain concrete. They are the excellent pavement materials for heavy loading road applications.

Subject Headings: Fatigue tests | Mixtures | Asphalt concrete | Fiber reinforced concrete | Asphalt pavements | Fabrics | Fiber reinforced composites | Material tests | Highway and road management | Maintenance | Concrete beams | Fatigue (material) |

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