Cold region tunnel heat insulation water outlet structure

The utility model discloses a cold region tunnel heat insulation water outlet structure with the advantages that the length is shorter, and the heat insulation requirement can be met. The cold region tunnel heat insulation water outlet structure comprises a tunnel water discharge pipe, a water outle...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NIE DAFENG, FU ZHIQIAN, MA JIANXIN, CHEN WEITAO
Format:	Patent
Sprache:	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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