Tunnel construction safety operation method, protective cover and mesh bracket

The invention discloses a tunnel construction safety operation method, a protective cover and a mesh bracket. The safety operation method comprises the steps that a protective mesh or an anti-explosion mesh and/or the protective cover are installed; wherein the installation of the protective net she...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GONG GANG, REN YI, YAN GUOYING, HE CANCAN, WEI ERJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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