Method for crossing cavities in roadway tunneling

The invention discloses a method for crossing cavities in roadway tunneling, and belongs to the field of roadway tunneling protection. The method includes the specific steps that when roadway tunneling encounters a cavity, a roadway is closed in time, and a ventilator is adopted for ventilation unti...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG GENZHU, LI HONGTAO, SUO HAOYU, JI ZHIQIANG, DONG FEI, PEI XIAOJIAN, LI XIAOYU, ZHANG BINGBING, YUN KAIYUE, SU SAI, XU JINHAI, SHI QINBIN, YAN JINFENG, WANG GAOFENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
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