## Optimization of the Natural-Technical System "Iron Ore ...

Aug 28, 2019· Based on the results of the calculations the maximum pit wall angle is determined at which it remains stable. In accordance with the "large-scale interconnected" theory (Tsurkov and Litvinchev 1994), the management of local NTS "Iron Ore Quarry" in terms of the pit walls stability can be based on two-level systems with cross-links.As minimized performance criteria the deviations of the ...