Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 114, Issue -, Pages 851-863Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2016.03.210
Keywords
Skid-resistance; Epoxy asphalt mixture; Steel bridge deck pavement; Skeleton-dense structure; V-S volume design method
Categories
Funding
- National Natural Science Foundation of China [51378122]
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To improve the skid-resistance of epoxy asphalt concrete pavement for the steel bridge deck, an epoxy asphalt mixture with skeleton-dense structure was proposed. This paper carries out a laboratory study on the design and performance evaluation of skeleton-dense epoxy asphalt mixture. Firstly, the mixture was designed through a volume design method, and the pavement performance was investigated to evaluate the applicability of the skeleton-dense epoxy asphalt mixture for the steel bridge pavement. Secondly, the skid-resistance of the skeleton-dense epoxy asphalt mixture was evaluated, including the initial skid-resistance, long-term skid-resistance and skid-resistance under the inclement weather condition. The long-term skid-resistance attenuation law was simulated by the small traffic load simulation system MMLS3, and the skid-resistance life was predicted. The skid-resistance attenuation law under the rainy and freezing weather was investigated in the laboratory, and the influence of water film thickness, different ice situations on the pavement skid-resistance was analyzed. Finally, gray correlation analysis method was applied to the comprehensive evaluation of pavement skid-resistance. Results indicate that the proposed mixture could meet the operating requirements of steel bridge pavement and dramatically improve the skid-resistance of epoxy asphalt concrete pavement. (C) 2016 Elsevier Ltd. All rights reserved.
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