Study on Materials Composition Design of Asphalt Mixture in Upper Layer of Xisang Highway
2014
In this paper, Marshall Design method and Bailey method were utilized to design the material composition of upper layer in Xisang highway, China. And its road performance was estimated by Marshall Test, freeze and split test, wheel tracking test and fatigue test. Under the designed graduation, the residual stability ratio, split strength ratio and dynamic stability are 89.3%, 88.0% and 7752 (times/mm) respectively and the results can meet the requirement of upper layer standard in China. It confirms that the designing process of materials composition is reasonable.
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