solutions

Sublevel Caving without Sill Pillar

Sublevel Caving without Sill Pillar

Vertically, there are 3-5 sublevels in the stope room, with each measuring 12-15m in height. Medium- and deep-hole drill is adopted to drill upward fan-shaped holes in the drilling roadway. There s……

Upward Horizontal Slicing Filling

Upward Horizontal Slicing Filling

Vertically, there are 3-5 sublevels in the stope room, with each measuring 12-15m in height. Each sublevel includes 4-5 slices with each measuring 3m in height. Short-hole drill is adopted to drill……

Sublevel Room and Pillar Stoping

Sublevel Room and Pillar Stoping

Vertically, there are 3-4 sublevels in the stope room, with each measuring 12-15m in height. At each sublevel, medium- and deep-hole drill is adopted to construct upward fan-shaped holes, and charg……

Block Open Stope Succedent Filling

Block Open Stope Succedent Filling

Deep-hole drill jumbo is adopted to construct downward parallel deep holes in the drilling chamber. After side caving, ore is discharged by scraper into orepass. Ore block has two-stage stoping. Af……

Short-hole Shrinkage Stoping

Short-hole Shrinkage Stoping

Air-leg rock drill is adopted to drill horizontal holes. One third of ore is discharged, while the other is left as the temporary working platform for next-stage drilling and blasting. After ore dr……

Room and Pillar Stoping

Room and Pillar Stoping

Post pillars are reserved in the stope for support. According to the depth of blasting holes, there are two mining methods: short-hole room and pillar stoping; medium- and deep-hole room and pillar……

Open Pit Mining

Open Pit Mining

Open pit mining usually covers the whole boundaries. Horizontal slices with certain thickness are defined to extract ore from top to bottom until reaching the ultimate or temporary boundary and for……