Surrounding rock consolidation type coal mine laneway

The utility model relates to a surrounding rock consolidation type coal mine laneway. The surrounding rock consolidation type coal mine laneway is characterized in that grouting holes are formed in the side wall or the top wall of the laneway, grouting pipes are arranged in the grouting holes, pores...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG ZHENGGU, YANG GANG, YANG YUEJIAO, SONG RUNQUAN
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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