Method for mining broken ore body under hanging wall broken surrounding rock condition

• Main Authors: CUI SONG, HUANG DAN, LIU ZAITAO, HE YULONG, PAN GUIHAI, LIU LISHUN, ZHANG XIAOGANG, DING JIANFENG, YANG XIAOCONG, JIA WANYU, HOU CHENGLU, LI WEI, WU RUOHAN, ZHOU YUCHENG, WAN CHUANCHUAN, WANG HUI, LIU GUANGSHENG
• Format: Patent
• Language: Chinese; English
• Published: 10.12.2021
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; MINING OR QUARRYING

The invention provides a method for mining a broken ore body under a hanging wall broken surrounding rock condition, and relates to the technical field of broken ore body mining. The method for mining the broken ore body under the hanging wall broken surrounding rock condition comprises the steps: dividing a to-be-mined ore body into a mining stage, and dividing a plurality of chamber stopes in the stage along the inclination of the ore body, wherein ore pillars are arranged at the two ends of each room stope; arranging roadways or chambers at the top and the bottom of the room stope, wherein each chamber stope adopts a medium-deep hole or deep hole drilling blasting mode for stoping; each chamber stope adopts a continuous stoping sequence, each chamber stope is immediately filled after stoping, and the chamber stope which is stoped firstly provides conditions of a filling body side wall for the chamber stope which is stoped later. The method provided by the invention effectively avoids the adverse effect of