Research Article
Study of Instability Mechanism and Roof Caving Mode of Cementing Filling Stope: The Case Study of a Nonferrous Metal Mine in China
Figure 3
Schematic diagram of the stope of downward cemented filling method. (1-mining drift; 2-filling drift; 3-sublevel haulage road; 4-sublevel filling road; 5-orepass; 6-filling material transportation pipeline; 7-ramp; ore (blue); cemented backfill body (grey)).