Tunnel portal structure of crossed road

The utility model belongs to the field of urban road traffic, and particularly relates to a tunnel portal structure of an intersected road, which comprises a tunnel body, the tunnel body is arranged below the intersected road in a penetrating manner, the tunnel body is provided with a tunnel portal,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HE ZHELIANG, WANG YIZAI, MA YUE, ZHANG XINGHUA, YAN MINCONG, YANG YONG, ZHANG DAWEI, LI XIANG, CHEN HONGXI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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