Research Article
Investigating the Influences of Indentation Hardness and Brittleness of Rock-Like Material on Its Mechanical Crushing Behaviors
Table 6
The mean and standard deviation values of crushing force data.
| Crushing force (kN) | Crushing forces of A | Crushing forces of B | Crushing forces of C | Crushing forces of D | Force direction | X-direction | Y-direction | X-direction | Y-direction | X-direction | Y-direction | X-direction | Y-direction |
| Unconfined stress conditions | Mean | 159.05 | 92.96 | 123.01 | 72.03 | 161.20 | 93.04 | 116.68 | 68.20 | Standard deviation | 81.52 | 48.60 | 88.45 | 51.24 | 86.68 | 50.18 | 81.83 | 48.00 | 5 MPa confining stress conditions | Mean | 154.43 | 92.12 | 89.37 | 51.67 | 152.98 | 88.56 | 122.44 | 72.73 | Standard deviation | 89.58 | 56.27 | 76.53 | 46.99 | 95.08 | 55.59 | 73.08 | 44.72 |
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