Research Article
Spatial and Temporal Distribution Law and Influencing Factors of the Mining-Induced Deformation and Failure of Gas Boreholes
Table 3
Three different support schemes.
| Supporting scheme | Roadway roof | Roadway sidewall on nonmining side | Filling zone roof | Filling wall |
| 1 | Seven bolts | Seven bolts | None | C20 | 2 | Seven bolts + three cables | Seven bolts + two cables | Three bolts | C30 | 3 | Seven bolts + seven cables | Seven bolts + three cables | Three bolts + three cables | C40 |
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