Research Article
Study of the Stability Control of the Rock Surrounding Double-Key Strata Recovery Roadways in Shallow Seams
Table 5
Mechanical parameters of rockbolts and cables.
| | | Elastic modulus (GPa) | Cross-sectional area (m2) | Tensile strength (MPa) | Stiffness of anchorage agent (GPa) | Cohesion of anchorage agent (MN/m) |
| | Rockbolts | 20 | 0.000314 | 250 | 5.35 | 0.42 | | Flank rockbolt | 20 | 0.0002 | 200 | 5.35 | 0.42 | | Cables | 200 | 0.000248 | 1900 | 5.35 | 0.42 | | Resin mesh | 0.0065 | – | – | – | – |
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