Rapid method for evaluating integrity of rock-soil mass of tunnel face of roadheader on site

The invention discloses a rapid method for evaluating the integrity of rock-soil mass of a tunnel face of a roadheader on site. The rapid method mainly comprises the steps of measuring and calculatingthe average rock mass length of a rock core, boundary number, crushing length contribution ratio, cr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LI TONG, SHI YEHUI, WANG JINMING, CHENG HELAN, HAN AIMIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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