关键词: 房柱采矿法, 崩落采矿法, 回采率, 安全

Abstract: In order to increase resources utilization rate and change the security situation, through the experimental study of 6# ore inclined room and pillar mining methods roof delay caving mining, safe and efficient mining of 6# ore was realized successfully, mining rate was increased greatly, mine service life was prolonged;goaf hidden danger was eliminated, safety situation was improved, mine geological environment was protected and meanwhile great economic benefits was created by ground pressure management using caving method.

Key words: Room and pillar method, Caving mining, Mining rate, Safety