From: Effect of bolting on roadway support in extremely weak rock
Grade | Vertical load | Side load | Grade | Vertical load | Side load |
---|---|---|---|---|---|
1st | 0.1 | 0.18 | 8th | 0.8 | 1.04 |
2nd | 0.2 | 0.36 | 9th | 0.9 | 1.14 |
3rd | 0.3 | 0.54 | 10th | 1.0 | 1.24 |
4th | 0.4 | 0.64 | 11th | 1.1 | 1.34 |
5th | 0.5 | 0.74 | 12th | 1.2 | 1.44 |
6th | 0.6 | 0.84 | 13th | 1.3 | 1.54 |
7th | 0.7 | 0.94 | 14th | 1.4 | 1.64 |