Research Article
Strength and Failure Characteristics of Natural and Water-Saturated Coal Specimens under Static and Dynamic Loads
Table 5
Quality percentage and fragment sizes of specimens.
| | Size | Quality | A1
(%) | A2
(%) | A3
(%) | A4
(%) | A5
(%) | A6
(%) | B1
(%) | B2
(%) | B3
(%) | B4
(%) | B5
(%) | B6
(%) | B7
(%) | B8
(%) |
| | <30 mm | 33 | 28.5 | 26 | 56 | 39 | 74 | 69 | 74.4 | 69.4 | 82.5 | 90.7 | 94.1 | 84.9 | 83.8 | | <10 mm | 12 | 16 | 8 | 21 | 19 | 33 | 6.9 | 9.1 | 7.5 | 9.8 | 8.9 | 13.1 | 8.7 | 8.2 | | <5 mm | 6.4 | 7.6 | 4.4 | 7.5 | 6.8 | 8 | 3.1 | 3.4 | 4.3 | 4.8 | 6.3 | 9.3 | 8.3 | 5.9 |
|
|
