Prevention method for dynamic pressure area of working face

The invention solves the defect in the prior art that a tunnel surrounding rock integrally loses stability due to dynamic pressure prevention, and provides a prevention method for the dynamic pressure area of a working face. Pressure relief holes are vertically arranged in two rows in the side surfa...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XING YANWEN, YU BIN, WANG AIGUO, LIU XIAODONG, LI GUOYU, WANG KUN, LI XIAOYU, ZHOU JIANFENG, MU QUANMAO, ZHANG FENG, CHEN FEI, HOU BAOYUE, ZHANG CAIGUANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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