1) Expansion-wall mining
扩帮开采
2) steep slope mining
陡帮开采
1.
Discussion on adopting steep slope mining technology at Baiyunebo main quarry;
白云铁矿主矿采场实施陡帮开采工艺的探讨
2.
With safety and reliability,the new mode sustains steep slope mining,increases the angle of ultimate slope,and reduces 3%～5% of noneffective overburden amount.
通过新桥缓倾斜散体结构边坡工程模式的研究,提出了基于陡帮开采的安全清扫平台新模式。
3) highwall mining
边帮开采
4) remained-slope mining
留帮开采
5) steep end-slope mining
靠帮开采
1.
Research on key influence factors of end-slope stability for steep end-slope mining in surface coal mine;
露天煤矿靠帮开采端帮稳定性关键影响因素研究
6) expansion of open pit slope
露天采场扩帮
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