Simulation-Based Multiobjective Optimization of Open-Pit Mine Haulage System: A Modified-NBI Method and Meta Modeling Approach

Table 3

Number of trucks combination at each type.

Type	Combination (lower bound, current, upper bound)
Truck 120 tons	(12, 20, 28)
Truck 240 tons	(3, 4, 5)
Truck 35 tons	(9, 15, 25)
Truck 100 tons	(25, 36, 45)