Research Article
Similar Simulation Test on Deformation Characteristics of Overlying Rock Developed by Instability of Strip Coal Pillar
Table 1
Uniaxial compression test results.
| Mass ratio (sand: paraffin: Hydraulic oil) | Sample number | Height (mm) | Diameter (mm) | Mass (g) | Density/(kg/m3) | UCS (kPa) |
| 1500 : 100 : 100 | A-1 | 103.18 | 50.42 | 374.69 | 1819.7 | 169.06 | A-2 | 103.62 | 50.94 | 383.9 | 1818.8 | 182.91 | A-3 | 103.04 | 51.58 | 383.0 | 1779.7 | 173.65 | Average | 103.28 | 50.98 | 380.53 | 1806.67 | 175.21 |
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