Research Article

A Control Method of Rock Burst for Dynamic Roadway Floor in Deep Mining Mine

Table 1

Results of geostress measurement.

No.Monitoring stationDepth (m)Vertical principal stress (σv/MPa)Maximum horizontal principal stress (σH/MPa)Minimum horizontal principal stress (σH/MPa)Maximum horizontal principal stress direction

1First station104027.6751.1727.11N22.3°E
2Second station96425.5549.5727.59N31.2°E
3Third station96725.6449.7426.15N25.5°E
4Fourth station98226.1050.926.88N20.1°E
5Fifth station103427.3049.426.75N35.7°E