Tunnel mud inrush and water inrush early warning blocking device

A tunnel mud inrush and water inrush early warning blocking device comprises a vault retaining wall arranged at the top of a tunnel, a cross beam is arranged below the vault retaining wall, and a lowering seam of a roller shutter is reserved in the middle of the cross beam. A limiting groove is form...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHE CHUNXIAO, ZHANG MINGWU, QIAN KUN, HE CHANGJIANG, YU GUANGLONG, SHAO PICHUN, LI DEZHU, DONG YUMING, BAI YU, SUN HUACHAO, SUI CHENGWEN, YIN ZITAO, MENG QINGYI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL EARTH DRILLING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MINING PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS TESTING
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