Research Article
Study on the Accurate Measurement and Quantitative Evaluation Methods of Aggregate Surface Roughness
Table 4
Roughness evaluation of form line based on trace length method.
| | Number of 2D contour lines | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| | Characteristic parameter method | JRC2D | 13.1 | 14.0 | 19.4 | 12.3 | 14.2 | 11.1 | 10.8 | 18.7 | 17.8 | | Trace length method | Rp | 1.186 | 1.188 | 1.207 | 1.183 | 1.189 | 1.179 | 1.177 | 1.206 | 1.203 | | JRC2D | 12.0 | 12.7 | 17.5 | 11.4 | 12.9 | 10.5 | 9.7 | 17.3 | 16.6 |
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