Review Article
Overburden Deformation Rule in Super High Seam Fully Mechanized Caving Mining of Thick Unconsolidated Stratum
Table 6
Related data of working resistance of hydraulic supports (in the lower part of working face).
| | Month | Number of hydraulic support | Pressure step (m) | Face advanced distance (m/d) | Dynamic load factor |
| | 1 | 105#, 112# | 16.50 | 6.7 | 1.35 | | 2 | 105#, 112# | 14.62 | 6.3 | 1.34 | | 3 | 105#, 112# | 15.20 | 5.8 | 1.38 | | 4 | 105#, 112# | 16.48 | 6.3 | 1.43 | | 5 | 91#, 98# | 14.37 | 6.3 | 1.41 | | 6 | 91#, 105# | 17.40 | 5.5 | 1.32 | | 7 | 91#, 98# | 8.20 | 6.3 | 1.37 | | 8 | 91#, 98# | 8.50 | 5.5 | 1.34 |
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