Abstract

The profile of twenty four types of asphalt concrete pavement was measured by Circular Track Meter. It was shown that the ratio of Mean Profile Depth and Root Mean Square of the profile indicated the type of macrotexture, that is, positive or negative texture. Eighteen types of hot-mix asphalt concrete with various gradations were compacted in the laboratory using a newly developed compaction method that simulates the rolling that occurs in the field during construction. It was found that the ratio of the weight of aggregate retained 4.75mm sieve and passing 0.15mm sieve (R4.75/P0.15) has a large effect on the macrotexture. Secondary rolling with a rubber-tired roller tends to change the texture to a positive value when R4. 75/P0. 15 is small.

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