Table 7 Length and direction of the longest radial main cracks.
From: Modification and validation of cracked zone range under coupled in-situ stress and blasting load
Working condition | Maximum main crack length (cm) | Average value (cm) | Angle between the longest main crack and vertical direction (°) | Average value (°) | |
|---|---|---|---|---|---|
2 | Radial main crack 1 | 80.02 | 83.06 | 27 | 23.0 |
Radial main crack 2 | 83.74 | 16 | |||
Radial main crack 3 | 85.42 | 26 | |||
3 | Radial main crack 1 | 75.95 | 75.91 | 26 | 21.5 |
Radial main crack 2 | 75.68 | 25 | |||
Radial main crack 3 | 83.56 | 16 | |||
Radial main crack 4 | 68.44 | 19 | |||
4 | Radial main crack 1 | 29.87 | 27.37 | 22 | 22.0 |
Radial main crack 2 | 33.09 | 21 | |||
Radial main crack 3 | 22.80 | 25 | |||
Radial main crack 4 | 23.72 | 20 | |||
5 | Radial main crack 1 | 20.51 | 20.28 | 20 | 24.0 |
Radial main crack 2 | 19.23 | 31 | |||
Radial main crack 3 | 24.26 | 24 | |||
Radial main crack 4 | 17.12 | 21 | |||
