Research Article
Effect of High Temperature (600°C) on Mechanical Properties, Mineral Composition, and Microfracture Characteristics of Sandstone
Table 4
Brazil split test results.
| Specimen no. | R (mm) | B (mm) | Treatment temperature (°C) | δPmax (mm) | Load Pmax (N) | σt (MPa) |
| B01 | 49.66 | 25.11 | RT | 0.2370 | 4278 | 2.184 | B02 | 49.45 | 25.24 | RT | 0.2221 | 5054 | 2.578 | B03 | 49.62 | 25.09 | RT | 0.1748 | 4405 | 2.252 | B04 | 49.45 | 24.88 | RT | 0.2355 | 5142 | 2.661 | B05 | 49.22 | 25.02 | RT | 0.2868 | 6833 | 3.532 | Average | | | | 0.2312 | 5142 | 2.641 | B06 | 49.76 | 24.97 | 600 | 0.4485 | 5379 | 2.756 | B07 | 49.82 | 25.15 | 600 | 0.3870 | 5225 | 2.655 | B08 | 49.74 | 25.13 | 600 | 0.4444 | 6369 | 3.244 | B09 | 49.73 | 24.98 | 600 | 0.4115 | 6535 | 3.349 | B10 | 49.43 | 25.22 | 600 | 0.4104 | 7778 | 3.972 | Average | | | | 0.4204 | 6257 | 3.195 |
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B, Brazilian split specimen; RT, room temperature (without heat treatment).
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