Research Article

Study on the Accurate Measurement and Quantitative Evaluation Methods of Aggregate Surface Roughness

Table 9

The variation of the JRC3D values of aggregates with different lithologies with the polishing time.

Polishing time (h)Number of aggregate samplesGraniteDiabaseBasaltLimestone
MaxMinAverageMaxMinAverageMaxMinAverageMaxMinAverage

0.02013.69.711.517.412.214.615.711.013.118.311.115.8
0.52013.19.511.016.511.713.715.110.512.416.019.6314.1
1.02012.99.210.715.511.413.214.410.212.114.858.7712.4
1.52012.89.110.514.711.013.013.910.011.814.098.0811.1
2.02012.59.210.414.610.712.813.310.011.413.507.119.8