Numerical Simulation of Ore Particle Flow Behaviour through a Single Drawpoint under the Influence of a Flexible Barrier

Figure 1

Schematic diagram of the mass draw and synchronous filling no-top-pillar shrinkage stoping method: (1) return airway, (2) top pillar, (3) raise, (4) cross-heading, (5) barrier pillar, (6) remaining ore, (7) drift pillar, (8) drawpoint, (9) haulage drive, (10) unmined ore, (11) filling material, and (12) barrier.