Large-section tunnel circular blasting and tunnelling method

The invention discloses a large-section tunnel circular blasting and tunnelling method. The large-section tunnel circular blasting and tunnelling method comprises the following steps that a segment of guiding tunnel is tunnelled in the middle of the bottom end of the tunnel face of a large-section t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI LEIBIN, XUAN DEQUAN, HUANG GANG, JIANG TINGTING, ZHANG JIANHUA, YE YONGXI, LI DONGPENG, SHI JI, SHUAI BAOLIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AMMUNITION BLASTING HEATING LIGHTING MECHANICAL ENGINEERING WEAPONS
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