AN ANOTHER WAY FOR OPEN PIT MINE DESIGN OPTIMIZATION ...

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108Rud.-geol.-naft. zb., Vol. 21, 2009.I. Galić, B. Janković, I. Mrakovčić: An another way for...Figure 1 Determination of optimum open pit outline by the Floating Slopes Method, from left to rightSlika 1. Određivanje optimalne konture površinskog kopa metodom pomičnih kosina s lijeva nadesnoTable 1 Input data and output results for optimization of open pit outline, obtained by floating slopes from left to rightTablica 1. Ulazni podaci i rezultati optimalizacije konture površinskog kopa metodom pomičnih kosina s lijeva nadesnoFigure 2 shows graph of the profit function for the data and results given in table 1.
Rud.-geol.-naft. zb., Vol. 21, 2009.I. Galić, B. Janković, I. Mrakovčić: An another way for...109Figure 2 Ratio of cumulative coal equivalent and profit, obtained by floating slopes from left to rightSlika 2. Odnos kumulativne ogrjevne moći ugljena i dobiti, dobivenog pomicanjem kosina s lijeva nadesnoAlthough the quantity of energy grow, after the point ofmaximum (the optimal outline) the profit falls to the zerovalue (the threshold outline) and after that gets negativesign, in other words presents the loss (end of the model).Second ExampleThe second example of open pit optimization has beencarried out by the synchronous additions of the favourableslopes from left and right of the deposit beginning withits shallowest part, which is presented on figure 3 and hasbeen dealt with in the table 2.Figure 3 Determination of optimum open pit outline by the Floating Slopes Method, with synchronous floating slopes leftwards and rightwardsSlika 3. Određivanje optimalne konture površinskog kopa metodom pomičnih kosina istodobnim pomicanjem kosina nalijevo i nadesno
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AN ANOTHER WAY FOR OPEN PIT MINE DESIGN OPTIMIZATION ...

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