Table 4 Calculated bending moment values.
From: Short-wall roadway backfill method for sustainable mining
Height mining/m | Length of stope/m | Elastic modulus of backfill/GPa | Bending moment/× 107 N m−1 |
|---|---|---|---|
2 | 800 | 0.60 | 1.24 |
3 | 1.43 | ||
4 | 1.75 | ||
5 | 2.26 | ||
6 | 2.65 | ||
5 | 600 | 0.60 | 1.87 |
700 | 2.08 | ||
800 | 2.26 | ||
900 | 2.56 | ||
1000 | 2.81 | ||
5 | 800 | 0.45 | 7.24 |
0.50 | 5.26 | ||
0.55 | 3.93 | ||
0.60 | 2.26 | ||
0.65 | 1.12 |
