Mechanical excavation method for large-section municipal hard rock tunnel

The invention relates to the technical field of tunnel excavation, in particular to a large-section municipal hard rock tunnel mechanical excavation method which specifically comprises the following steps: S1, a first section with a 180-degree fan-shaped angle, a second section and a third section w...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WAN ZEWEI, GOU CHAO, LI HONGBO, GU YANG, YIN YONGYUN, WANG PENG, DUAN XUEFENG, ZUO SHUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!