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

Table 7

Details of scenario I.

Simulative excavating steps	Mineral output/kt	Ore proportion/%	Shaft displacement/m	displacement proportion/%	MPI
1	264.19	15.62%	0.001236	10.07%	1.55
2	363.85	21.51%	0.002031	16.55%	1.30
3	373.34	22.07%	0.003656	29.80%	0.74
4	295.83	17.49%	0.003887	31.68%	0.55
5	289.31	17.10%	−0.00022	−1.79%	−9.55
6	105.20	6.22%	0.00168	13.69%	0.45
In total	1691.71	100%	0.01227	100%	1.00