Research Article
3D XCT Mesostructure Characterization and Image-Based Discrete Element (DE) Modelling of Failure Patterns in Coal Gangue Particles (CGPs)
Table 2
Quantitative analysis of coal internal cracks in the selected three slices.
| | CT slice | Crack no. | Length (mm) | Width (mm) | Angle (°) | Perimeter (mm) | Area (mm2) |
| | Z = 33 | ① | 23.887 | 3.427 | 43.363 | 25.92462 | 14.83195 | | ② | 16.348 | 1.782 | 127.875 | 15.49665 | 9.063892 | | ③ | 39.18 | 1.127 | 128.766 | 32.89973 | 19.05452 | | Z = 34 | ① | 23.389 | 3.366 | 50.194 | 27.96137 | 15.75868 | | ② | 16.724 | 0.841 | 129.611 | 17.42324 | 10.60892 | | ③ | 34.354 | 0.644 | 129.898 | 37.1898 | 21.52674 | | Z = 35 | ① | 23.489 | 3.187 | 48.576 | 55.11789 | 64.21975 | | ② | 18.052 | 1.335 | 124.439 | 43.6024 | 55.31336 | | ③ | 36.495 | 0.563 | 129.536 | 67.18277 | 81.56377 |
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