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Safety pillars
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- point pillar (2)
- 点柱 (2)
- b-pillar (1)
- backfilling mining (1)
- blast vibration (1)
- chengchao iron mine (1)
- equivalent thickening (1)
- high geo-stress (1)
- mining under buildings (1)
- numerical simulation (1)
- safety depth (1)
- side impact (1)
- similar model experiment (1)
- simulation (1)
- stability of stope (1)
- vehicle (1)
- 仿真 (1)
- 侧面碰撞 (1)
- 充填开采 (1)
- 安全深度 (1)
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