Correlation of Fine Aggregate Imaging Shape Indices with Asphalt Mixture Performance
- 1 January 2001
- journal article
- conference paper
- Published by SAGE Publications in Transportation Research Record: Journal of the Transportation Research Board
- Vol. 1757 (1), 148-156
- https://doi.org/10.3141/1757-17
Abstract
This study addresses the relationship between fine aggregate shape properties and the performance of hot-mix asphalt. Aggregate shape was expressed as three independent properties: form, angularity, and texture. Image analysis procedures and indices were developed to capture these properties. The indices were measured for 22 aggregate samples. The samples were related to the hot-mix asphalt rutting resistance measured under wet and dry conditions in the Purdue wheel-tracking device. Among the different aggregate shape properties, texture had the strongest correlation with rutting resistance. Resistance to rutting increased exponentially with an increase in aggregate texture.This publication has 16 references indexed in Scilit:
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