Water-rich soft rock roadway roof supporting method

The invention discloses a water-rich soft rock roadway roof supporting method, and relates to the field of soft rock supporting. The problems that a roadway needs to be temporarily supported when bolt-grouting drilling is carried out on an anchor rod support, time and labor are wasted when an existi...

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Bibliographische Detailangaben
Hauptverfasser:	LIU SHUANG, LIU JIANRONG, SUN YI, ZHENG HUAIYOU, LYU YUGUANG, GUAN YANTAI, ZHAI JUNCUN, XIAO QINGHUA, ZUO HAIFENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHAFTS TUNNELS
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