PREFABRICATED ARCHED TUNNEL WITH CROSS SECTION OF T-TYPE

A prefabricated arch tunnel with a T-shaped section is provided to prevent the contact support part from being damaged by forming the S-shaped section of the contact support part contacting the ceiling and side wall members. A prefabricated arch tunnel with a T-shaped section comprises a pair of sid...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WOO, HYEUK KUN, HONG, SE KYUN, JUNG, SUK TAE, LEE, CHANG HOON
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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