Roadway-crossing section supporting structure

The utility model discloses a roadway crossing section supporting structure which comprises a first supporting assembly, a second supporting assembly and a crossing assembly, and the first supporting assembly and the second supporting assembly are arranged in the width direction of a roadway crossin...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MA YONGWANG, YU HUAILONG, FENG JUN, LIU CHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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