Construction method for tunnel passing through existing road under small clear distance

The invention relates to the technical field of tunnel construction, in particular to a construction method for a tunnel passing through an existing road under a small clear distance. The small-clear-distance underneath pass existing road tunnel adopts a double advanced pre-support system of an adva...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	YI ZHONGQIANG, LI YUNPENG, LI RENQIANG, LIU JIHONG, JIA JINYONG, DING NING, TIAN JINGJING, SHU CHENGXING, TAN FEI, WANG YANHUI, ZHU YULIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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