Effect of Shaft Pillar Extraction on Stability of Main Shaft: A Case Study at Xincheng Gold Mine, China

Figure 10

Shaft displacement for different depths, the legend “20°, 10 m, 50 m, 1.0” means the dip and thickness of orebody are 20° and 10 m, the distance between the ore and shaft is 50 m, and the lateral pressure coefficient is 1.0.

(a) The shaft at the hanging wall

(b) The shaft at the footwall