缓倾斜破碎矿体高效进路充填采矿方法研究与应用
张宏伟(
),张富兴,孙胜,郭正成
),张富兴,孙胜,郭正成
Research and Application of High-efficiency Drift Backfill Mining Method in Gently Inclined Broken Orebody
Hongwei ZHANG(),Fuxing ZHANG,Sheng SUN,Zhengcheng GUO
),Fuxing ZHANG,Sheng SUN,Zhengcheng GUO
图4. 圆木隔挡施工图（a）和胶结充填体挡墙（b）
Fig.4. Construction drawing round timber block and cemented filling retaining wall
