Table 2 Support approaches used on site
From: Deformation mechanisms in a coal mine roadway in extremely swelling soft rock
Order | Support approaches | Yielding support? |
|---|---|---|
1 | 36 U-shape sheds | Yes |
2 | 36 U-shape sheds + anchoring and shotcreting | Yes |
3 | Pair of 16 I-shape sheds + anchoring and shotcreting | No |
4 | Pair of 12 mine-used I-shape sheds + anchoring and shotcreting | No |