Chamber and overhand cut combined cut-and-filling stoping method in pre-roof-protecting stage

• Main Authors: LYU YINGLEI, HE SHUNBIN, ZHANG GUODONG, LIU CHENGPENG, SUN JUNTAO, DU HAO, YU CHANGXIAN, LI WEI, XU ZIGANG, CHEN ZHUO
• Format: Patent
• Language: English
• Published: 19.08.2015
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; MINING OR QUARRYING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The invention relates to a chamber and overhand cut combined cut-and-filling stoping method in a pre-roof-protecting stage. The method comprises the following steps: dividing a middle ore body into panels along the trend of the ore body, further dividing the middle section into a plurality of sectio...