Research Article
Experimental Research on the Mechanical Properties of Heated Granite after Rapid Cooling
Table 2
Mechanical properties after heating (100°C–600°C) and rapid cooling.
| No. | Temperature (°C) | Confining pressure (MPa) | -wave velocity preheated (m/s) | -wave velocity after water cooling (m/s) | Deviatoric stress (MPa) | Young’s modulus (GPa) |
| 91 | 25 | 0 | 4202 | 4225 | 245.39 | 52.19 | 5 | 100 | 0 | 4057 | 3839 | 210.91 | 44.18 | 10 | 200 | 0 | 4119 | 3679 | 192.45 | 39.03 | 15 | 300 | 0 | 4348 | 3315 | 187.17 | 37.92 | 20 | 400 | 0 | 4385 | 2797 | 181.61 | 34.79 | 21 | 500 | 0 | 4289 | 2011 | 162.8 | 32.46 | 26 | 600 | 0 | 4274 | 1790 | 95.23 | 18.16 | 2 | 100 | 20 | 4034 | 4050 | 465.6 | 48.55 | 7 | 200 | 20 | 4122 | 3430 | 447.47 | 46.5 | 12 | 300 | 20 | 4172 | 3227 | 420.9 | 41.39 | 17 | 400 | 20 | 4424 | 2768 | 375.79 | 37.97 | 22 | 500 | 20 | 4446 | 2289 | 335.09 | 32.6 | 27 | 600 | 20 | 4077 | 1357 | 309.37 | 28.19 | 3 | 100 | 40 | 4403 | 4384 | 629.54 | 52.98 | 8 | 200 | 40 | 4218 | 3770 | 601.03 | 48.39 | 13 | 300 | 40 | 4423 | 3326 | 569.47 | 46.7 | 18 | 400 | 40 | 4365 | 2700 | 528.68 | 41.39 | 23 | 500 | 40 | 4290 | 2303 | 450 | 35.54 | 28 | 600 | 40 | 4275 | 1729 | 394.6 | 28.49 | 4 | 100 | 60 | 4217 | 4013 | 656.34 | 54.43 | 9 | 200 | 60 | 4362 | 3850 | 667.82 | 47.6 | 14 | 300 | 60 | 4298 | 3275 | 674.03 | 48.72 | 19 | 400 | 60 | 4291 | 2701 | 592.05 | 42.97 | 24 | 500 | 60 | 4384 | 2153 | 530.57 | 38.76 | 29 | 600 | 60 | 4448 | 1354 | 506.61 | 30.45 |
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