Abstract
In this research, a design procedure of large stone asphalt mixture, which is superior in plastic flow resistance, was discussed. The feature points of the design procedure are as follows. 1) Large stone aggregate, top size of 30 mm, was mainly mixed. 2) The mix proportion was decided in focusing matrix structure of the top size coarse aggregate. 3) A gyratory compactor was used for specimen compaction. From the results, it was found that the mix proportion with No. 4-sized and No. 7-sized crushed stone has a good matrix structure of the coarse aggregate. And it was also confirmed that this mixture has high efficiency in flow resistance and abrasion resistance as compared with past large stone mixtures.
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