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Open AccessArticle

A Study on the Design Method for the Material Composition of Small Particle-Size Asphalt Mixture for Controlling Cracks in Asphalt Pavement

1
School of Highway, Chang’an University, Xi’an 710064, China
2
Department of Civil and Environmental Engineering, Waseda University, Tokyo 169-8555, Japan
3
Jinan Jinqu Road Survey Design Research Co., Ltd., Jinan 250014, China
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2019, 9(10), 1988; https://doi.org/10.3390/app9101988
Received: 5 March 2019 / Revised: 6 May 2019 / Accepted: 8 May 2019 / Published: 15 May 2019
(This article belongs to the Special Issue Asphalt Materials)
Generally, various kinds of cracks are the main type of distresses during the service period of asphalt pavements. To save maintenance costs and improve the crack resistance of asphalt pavements effectively, this paper presents a unique design method for the material composition of small particle-size (SPS) asphalt mixture for controlling cracks in asphalt pavement. First, Stone Mastic Asphalt (SMA)-II was designed as a basic gradation according to the A.N. Talbot curve and SMA-II-1, SMA-II-2 and SMA-II-3 were designed according to the Superpave mix design method, the Bailey method and the Particle interference theory, respectively. Second, based on Marshall test results, the optimal fiber content and optimal asphalt content of three gradations were determined. Then, the influence of the passing rate of 1.18-mm sieve and 0.075-mm sieve on the air voids of SMA-II and the influence of the filler-asphalt ratio on the performance of SMA-II were investigated, and an appropriate range of filler-asphalt ratio was obtained. Finally, a high-temperature performance test, a water stability test, and a skid resistance test demonstrate that the overall performance of SMA-II can satisfy the specifications. A low-temperature bend test and analysis of bending strain energy density show that SMA-II with a crumb rubber modifier and a polymer fiber has better crack resistance performance than SMA-I (SBS-modified mixture). Life-cycle cost analysis shows the economic advantage of SPS asphalt thin overlays over traditional AC-13 thin overlays. View Full-Text
Keywords: small particle-size (SPS) asphalt mixture; crumb rubber modifier; polyester fiber; cracks control; material composition; pavement performance test; life-cycle cost analysis small particle-size (SPS) asphalt mixture; crumb rubber modifier; polyester fiber; cracks control; material composition; pavement performance test; life-cycle cost analysis
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Xin, J.; Pei, J.; Akiyama, M.; Li, R.; Zhang, J.; Shao, L. A Study on the Design Method for the Material Composition of Small Particle-Size Asphalt Mixture for Controlling Cracks in Asphalt Pavement. Appl. Sci. 2019, 9, 1988.

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