Evaluation of Backfill Operation Models Using SBSC and IFAHP Approach

Table 5

Score function of the secondary index on the three backfill operation models.

Secondary index	Total weight	M1j	M2j	M3j
Total capital input (C1)	(0.0509, 0.9382)	0.4685	0.6545	0.6822
Operational cost optimization (C2)	(0.0405, 0.9237)	0.6036	0.6818	0.7547
Profit variance (C3)	(0.0340, 0.9144)	0.6019	0.7156	0.7312
Mine owner satisfaction (C4)	(0.0418, 0.9251)	0.7383	0.6937	0.7453
Backfill vendor satisfaction (C5)	(0.0335, 0.9080)	0.6228	0.7182	0.7547
Regulatory satisfaction (C6)	(0.0288, 0.8984)	0.6944	0.7500	0.7593
Mining-separation-backfill balance (C7)	(0.0487, 0.9350)	0.6852	0.7130	0.7340
Flexibility (C8)	(0.0404, 0.9232)	0.6126	0.7570	0.6546
Communication and collaboration efficiency (C9)	(0.0346, 0.9149)	0.6239	0.7156	0.6549
Training and development (C10)	(0.0388, 0.9191)	0.3704	0.6514	0.6757
Technological innovation capability (C11)	(0.0349, 0.9111)	0.3981	0.4717	0.6182
Knowledge sharing (C12)	(0.0282, 0.8975)	0.4352	0.5926	0.5648
Tailings utilization (C13)	(0.0495, 0.8707)	0.5545	0.7130	0.6147
Reduction of environmental impact (C14)	(0.0359, 0.8308)	0.6449	0.7222	0.6759
Employee accident (C15)	(0.0433, 0.8657)	0.6636	0.7290	0.6937
Health of residents (C16)	(0.0300, 0.8163)	0.6389	0.6822	0.7290
Final score		0.4808	0.5186	0.5210