Method for accurately controlling mining width of medium-length hole mining in steeply inclined thin and fine ore body

The invention discloses a method for accurately controlling the mining width of medium-length hole mining in a steeply inclined thin and fine ore body. The method comprises the following steps that S1, a stope is arranged in the direction of the ore body, ore blocks are divided, a raise is tunneled...

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Bibliographische Detailangaben
Hauptverfasser:	LI DONGPING, XIE QINGXU, ZHANG JINJUN, LUO CHAOKAI, GUO CANTING, ZHANG JUN, YANG KUN, LUO WENLAI, HUANG YU'EN, PAN WEICHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AMMUNITION BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES HEATING LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING MINING OR QUARRYING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS WEAPONS
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