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

Table 7

2D roughness of contour lines along the circumference.

Number	2D contour line of aggregate fracture surface	JRC^2D
1		14.1
2		12.8
3		12.3
4		10.6
5		9.4
6		10.8
7		11.6
8		12.3
9		13.2
10		13.0
11		13.5
12		12.9