Long-term production planning design is a major step in mine planning, because it determines the economic outcome of a project. Also long-term planes act as a guide for medium and short-term production scheduling. Because there are a large number of blocks within the ultimate pit limit, the pit can be divided into a series of sub-pits commonly called push backs, cut backs or phases. These push ...

Underground mining under an open-pit slope results in movement and instability of rock masses. However, most mass prediction methodologies are empirical only suitable for underground mining. In this paper, a new theoretical methodology is proposed to predict the masses caused by mining, combining two influences, slopes Considering influence open pit on damage patterns, double-slip surface defle...

In the context of open-pit mine planning, uncertainties including commodity price would significantly affect the technical and financial aspects of mining projects. A mine planning that takes place regardless of the uncertainty in price just develops an optimized plan at the starting time of the mining operation. Given the price change over the life of mine, which is quite certain, optimality o...

Purpose. Research into influence of drilling-and-blasting operations on the nature deformation in near-side masses design open-pit contours and assessing seismic impact blasting operations, which are basis for development recommendations rational parameters operations. Methods. The at limiting contour Kusmuryn field is studied using analysis mining-and-geological conditions tectonics rocks cons...

Abstract Mining activity introduces severe changes in landscapes and, subsequently, land uses. One of the most singular is existence pit lakes, which occur active more frequently, abandoned mines. Pit lakes are produced by water table interception when open-pit mines deepen. Their characteristics highly variable, depending on type mine, environment or climate. In León province there a long trad...

Conditions of the planning open-pit mining objects have been identified, making it possible to reduce need in allotted land area during mineral extraction. The research results allowed proposing a methodological approach determine economic expediency increase technogenic reclamation level under conditions mining, being reserves expand areas returned use.

In order to catch up with reality, all the macro-decisions related to long-term mining production planning must be made simultaneously and under uncertain conditions of determinant parameters. By taking advantage of the chance-constrained programming, this paper presents a stochastic model to create an optimal strategy for producing bimetallic deposit open-pit mines under certain and uncertain ...