Table 2.
Parameters related to hydraulic rods.
| Designation of rod | Position of rod | Maximum rod travel/mm | Rod travel for pretension/mm |
|---|---|---|---|
| lckx | Lower goaf | 3460 | 6 |
| lcks | Upper goaf | 4370 | 7 |
| lcmx | Lower coalface | 3460 | 6 |
| lcms | Upper coalface | 6080 | 10 |
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