Research Article
Deformation Mechanism and Control of the Surrounding Rock during Gob-Side Entry Driving along Deeply Fully Mechanized Caving Island Working Face
| | Bolt | Anchor cable | Spacing between bolts | Spacing between anchor cables | Preload (moment) | Material |
| | Scheme I | Roof:
Side: | Roof:
Side: | Roof:
Side: | Roof:
Side : row spacing 800 | Bolt: 300 N·m
Anchor cable: 210 kN | Bolt: screw thread steel anchor cable: steel strand | | Scheme II | Roof:
Side: | Roof:
Side: | Roof:
Side: | Roof:
Side : row spacing 700 | Bolt: 300 N·m
Anchor cable: 210 kN | Bolt: screw thread steel anchor cable: steel strand | | Scheme III | Roof:
Side: | Roof:
Side: | Roof:
Side: | Roof:
Side : row spacing 700 | Bolt: 300 N·m
Anchor cable: 210 kN | Bolt: screw thread steel anchor cable: steel strand |
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