Research Article
Study on the Effect of Mineral Particle Sizes on the Spectral Characteristics of Sound and Vibrations in Rock Drilling
Table 1
Properties of rock samples.
| | Sample no. | Aggregate size range (mm) | Average aggregate size (mm) | Mass (g) | UCS (MPa) | TS (MPa) | P-wave velocity (m/s) |
| | 1 | <0.5 | 0.25 | 3014.7 | 23 | 1.8 | 3871 | | 2 | 0.5–1.7 | 1.1 | 3027.8 | 20 | 2.1 | 3700 | | 3 | 1.7–7.1 | 4.4 | 2697.9 | 21 | 2.0 | 3999 | | 4 | 7.1–22 | 14.55 | 2746.4 | 25 | 2.2 | 3780 | | 5 | 22–32 | 27 | 2450.8 | 22 | 1.9 | 4211 |
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