Long-term open pit mine production planning: a review of models and algorithms
M Osanloo, J Gholamnejad, B Karimi - International Journal of …, 2008 - Taylor & Francis
Long-term production planning (LTPP) is a large-scale optimization problem that aims to find
the block extraction sequence that produces the maximum possible net present value (NPV) …
the block extraction sequence that produces the maximum possible net present value (NPV) …
Performance analysis and best implementations of old and new algorithms for the open-pit mining problem
DS Hochbaum, A Chen - Operations Research, 2000 - pubsonline.informs.org
The open-pit mining problem is to determine the contours of a mine, based on economic
data and engineering feasibility requirements, to yield maximum possible net income. This …
data and engineering feasibility requirements, to yield maximum possible net income. This …
Ultimate pit limit optimization methods in open pit mines: A review
Ultimate pit limit optimization plays a major role in the mining industry as it serves as the
elementary foundation of all the activities in mine planning. This paper reviews and …
elementary foundation of all the activities in mine planning. This paper reviews and …
A new—old algorithm for minimum‐cut and maximum‐flow in closure graphs
DS Hochbaum - Networks: An International Journal, 2001 - Wiley Online Library
We present an algorithm for solving the minimum‐cut problem on closure graphs without
maintaining flow values. The algorithm is based on an optimization algorithm for the open …
maintaining flow values. The algorithm is based on an optimization algorithm for the open …
A scheduling algorithm for open pit mines
B Tolwtnski, R Underwood - IMA Journal of Management …, 1996 - academic.oup.com
An open pit (opencast) mine can be described by a three-dimensional array of blocks, each
of which is assigned a number of values defining its characteristics. Scheduling an open pit …
of which is assigned a number of values defining its characteristics. Scheduling an open pit …
A mathematical programming viewpoint for solving the ultimate pit problem
R Underwood, B Tolwinski - European Journal of Operational Research, 1998 - Elsevier
In 1965 Helmut Lerchs and Ingo Grossmann presented to the mining community an
algorithm to find the optimum design for an open pit mine. In their words,“the objective is to …
algorithm to find the optimum design for an open pit mine. In their words,“the objective is to …
Development and analysis of a methodology to generate operational open-pit mine ramp designs automatically
A critical step in planning an open-pit operation corresponds to the design of ramps required
to access the different sectors and levels. This design is very complicated because the …
to access the different sectors and levels. This design is very complicated because the …
Integrating stochastic mine planning model with ARDL commodity price forecasting
L Madziwa, M Pillalamarry, S Chatterjee - Resources Policy, 2023 - Elsevier
Commodity price is of paramount importance to mine planning among other stochastic
factors such as mining cost and geological uncertainties. Commodity price uncertainty is …
factors such as mining cost and geological uncertainties. Commodity price uncertainty is …
Optimum ramp design in open pit mines
The problem studied in this paper is that of designing the optimal open pit haulage ramp
that, for a given ramp width and a maximum ramp gradient, connects two points of the mine …
that, for a given ramp width and a maximum ramp gradient, connects two points of the mine …
A differential evolution based approach for the production scheduling of open pit mines with or without the condition of grade uncertainty
A Khan, C Niemann-Delius - Applied Soft Computing, 2018 - Elsevier
Production scheduling of open pit mines seeks to define such a temporal flow of ore and
waste materials from a mine that maximizes a project's Net Present value (NPV), while …
waste materials from a mine that maximizes a project's Net Present value (NPV), while …