High-stress carnallite ore bed roadway composite supporting structure and method

The invention relates to a high-stress carnallite ore bed roadway composite supporting structure and method, and belongs to the technical field of roadway supporting. The high-stress carnallite ore bed roadway composite supporting structure and method aim at solving the problem that the supporting c...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GAO HONGBO, ZHANG JIANSHENG, SANG ZONGQI, LIAO BO, WANG QINGLONG, ZANG LIYAN, YANG ZEJIN, LI TAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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