open pit mine optimization methods ppt

CHAPTER 11 Mining Technology

the mining technologies currently in use on Federal leases and the potential for commer-cial mining technologies to extract Federal coal reserves from deep underground seams. The chapter discusses: three surface mining techniques that are used in the West: 1) area strip, 2) open pit, and 3) terrace pit; two methods of underground mining in

Open-Pit Mine Planning and Design - University of Pretoria

of Open Pit Mine Planning and Design starting at the geological resource model, through to the reserve statement and including all aspects of the value chain. This unique course enables you to learn the basic theory of open pit mine design and the application thereof, whilst having the chance to interact with experts in the field.

Mine Planning: Overview and Key Concepts. – EXCELLENCE IN ...

Jul 09, 2016· The literature on underground mining is limited, partially due to the complicated nature of its operations. In fact, there is no equivalent to the Lerchs-Grossman or Picard algorithms commonly used for open pit. Basically, the literature indicates few applications considering genetic algorithms, floating stope method and mixed integer programming.

(PDF) lecture 4 - mine transportation.pdf | Innocent Haule ...

Lecture 4 MINE LOADING AND TRANSPORTATION Introduction Once the rock has been fragmented it needs to be moved to its final destination which could be a waste rock muck pile or ore's stock pile to feed the processing plant. From the working face materials are loaded with the use of any of the mucking units into a conveyance which carries it through horizontal, inclined, vertical or ...

Construction and optimization method of the open-pit mine ...

Feb 01, 2020· This paper presents a construction and optimization method of the open-pit mines DEM based on the oblique photogrammetry generated DSM. The method can effectively extract and filter the mining equipment interference information in the DSM of open-pit mines and obtain the real terrain of open-pit mines; the accuracy rate of the mining equipment ...

Surface Mining Planning and Design of Open Pit Mining(1)

Topic 6: Mining Methods Part II: Surface Mining-Planning and Design of Open Pit Mining Hassan Z. Harraz hharraz2006) This material is intended for use in lectures, presentations and as handouts to students, and is, provided in Power point format so as to allow customization for the individual needs of course insuctors.

17* Open Pit Optimization - Strategies for Improving ...

Open Pit Optimization - Strategies for Improving Economics of Mining Projects Through Mine Planning K.Dagdelen Mining Engineering Department, Colorado School of Mines. Golden, Colorado, USA ABSTRACT: The open pit design and scheduling problem is a large-scale optimization …

Modeling variable pit slopes in the open pit production ...

Modeling variable pit slopes in the open pit production scheduling MILP formulation . Hooman Askari-Nasab and Kwame Awuah-Offei. 1 Mining Optimization Laboratory (MOL) University of Alberta, Edmonton, Canada . Abstract . Open pit mine plans define the complex strategy of displacement of ore and waste over the mine life.

Surface mining planning and design of open pit mining

Jan 09, 2016· H.Z. Harraz PresentationFebruary 2, 2016 2) Limit or Ultimate Pit Definition: 2.1) Introduction 2.2) Manual Design 2.3) Computer Methods 2.4) Learchs-Grossman method 2.5) Floating cone method 3) Open pit Optimization: 3.1) The management of pit optimization 3.2) A simple example 3.3) The effects of scheduling on the optimal outline 4) Optimum ...

Optimized open pit mine design, pushbacks and the gap ...

OPTIMIZED OPEN PIT MINE DESIGN, PUSHBACKS AND THE GAP PROBLEM—A REVIEW 511 JOURNAL OF MINING SCIENCE Vol. 50 No. 3 2014 Fig. 3. Graph G with dummy node x0 and arcs added from the dummy node x0 to all other nodes. It is clear from the definition of our graph G that a graph closure in G represents a physically feasible pit, if not, then a block not in our closure violating …

Optimization of Blasting Parameters in opencast Mines

mines of MCL, and it can be modified with collection of information from a large number of mines. References Nanda, N.K. (2003), "Optimization of mine production system through operation research techniques", 19 th World Mining Congress,New Delhi, November, pp.583-595. Pal Roy, P. (2005), "Terms and parameters influencing mine and ground ...

GEOTECHNICAL CONSIDERATIONS IN OPEN PIT MINES

mass* during the operating life* of the open pit. The importance of a systematic approach to mine planning and design using soundly based geotechnical engineering methods cannot be over-emphasised. Open pit mines can represent a complex engineering system with many sub-systems that need to function in an

Surface Mining Planning and Design of Open Pit Mining

Topic 6: Mining Methods Part II: Surface Mining-Planning and Design of Open Pit Mining Hassan Z. Harraz hharraz2006) This material is intended for use in lectures, presentations and as handouts to students, and is, provided in Power point format so as to allow customization for the individual needs of course insuctors.

Optimization of rock slope in an open pit mine using ...

【Abstract】 <>The stability analysis and optimization of high steep rock slope in open pit mine are the leading topics in slope study presently.A rock slope formed by open pit mining in Shanxi province is taken as a case,physical mechanical parameters of rock mass are determined by structure analysis of rock mass and engineering analogy method.A geological mechanical model of the rock ...

Optimized Pit Design - Carlson Software

The optimum pit and mine planning are dynamic concepts requiring constant review. Thus the pit optimization technique should be regarded as a powerful and necessary management tool. Further, the pit optimization method must be highly efficient to allow for an effective sensitivity analysis. The ultimate pit limit problem has been efficiently ...

Amin Mousavi - modares.ac.ir

Strong understanding of mining engineering principals including open pit design, underground mining methods, drilling, blasting and haulage; ... Open pit mine waste dump construction and optimisation ... "Open pit optimization in 3D using a new artificial neural network". Archive of ining science journal, Vol. 56, o 3, p. 389–403.

Mathematical Optimization Models and Methods for Open-Pit ...

(English) Manuscript (preprint) (Other academic) Abstract [en] Open-pit mining is a surface mining operation whereby ore, or waste, is excavated from the surface of the land. The open-pit design problem is deciding on which blocks of an ore deposit to mine in order to maximize the total profit, while obeying digging constraints concerning pit slope and block precedence.

Modern Strategic Mine Planning - Inside Mines

In mine planning, decisions as to how and when to act include the extraction and routing of blocks of ore, the timing of lumpy decisions such as pushbacks or transitions from open pit to underground mining, and the placement of shafts. As with financial options, the goal is to take actions that optimize the present value of the payoffs from acting.

Concept of oc mine planning & design(final)

Mar 08, 2013· Concept of oc mine planning & design (final) 1. CONCEPT OFOC MINE PLANNING & DESIGN. 2. Mining Methods• Coal is mined by two main methods - Surface or 'opencast' mining and underground mining.•. The choice of method is largely determined by the depth,thickness and no. of coal seams, geology of the coal deposit and other factors. 3.

Optimization of Truck-Shovel Allocation Problem in Open ...

Jun 04, 2020· The use of an optimized dispatching system for the haul trucks in an open-pit mine plays a crucial role to increase the production, especially with the introduction of autonomous trucks into the mine. This involves managing the entire transport system in order to reduce the mine's operating costs and enhance the mine efficiency.

[PDF] A new algorithm for optimum open pit design ...

Ultimate limits of an open pit, which define its size and shape at the end of the mine's life, is the pit with the highest profit value. A number of algorithms such as floating or moving cone method, floating cone method II and the corrected forms of this method, the Korobov algorithm and the corrected form of this method, dynamic programming and the Lerchs and Grossmann algorithm based on ...

1.1 PHASES OF A MINING PROJECT - Home | ELAW

descriptions of the most common methods. 1.1.3.1 Open-pit mining Open-pit mining is a type of strip mining in which the ore deposit extends very deep in the ground, necessitating the removal of layer upon layer of overburden and ore. In many cases, logging of trees and clear-cutting or burning of vegetation above the ore deposit

DETERMINATION OF ULTIMATE PIT LIMITS IN OPEN MINES …

Open pit mine planning is a procedure that can be ... method of this type was presented by Tolwinski and ... [14]. Tolwinski and Underwood combined concepts from both stochastic optimization and artificial neural networks to produce their algorithm for estimating the optimal evaluation of an open-pit mine.

Application of Optimisation Techniques in Open Pit Mining ...

Thomas, G: Pit optimization and mine production scheduling - the way ahead, Proc. 26th APCOM Symposium of the Society of Mining Engineers, AIME, New York (1996), pp. 221-228. Google Scholar Tolwinski, B and Underwood, R: A scheduling algorithm for open pit mines, IMA Journal of Mathematics Applied in Business and Industry 7 (1996), pp. 247-270.

PSEUDOFLOW EXPLAINED - Delivering Mining Efficiency

Two methods to the solution of open pit optimization were detailed by Lerchs and Grossmann, being a Graph Theory algorithm, which is a heuristic approach, and a Dynamic Programming algorithm, which is an application of an operations research technique. Both methods gave an optimum pit limit for an undiscounted cash flow –

Open pit mining - SlideShare

Jul 31, 2017· Open-pit mines are used to extract ores such as coal, copper, gold, iron, and aluminum. When an open-pit mine is developed, there are a number of environmental, safety, and cost-related factors to consider, including noise and air quality and animal habitats. 27. 27 Other names for an open-pit mine include open-cast, open-cut, and strip mine.

(PDF) A Study on the Optimization Algorithms for ...

Determination of Mining Limits (ML) for each of Open-Pit (OP) and Underground (Ug) is one of the most significant part impacts the economic aspects. Optimization process for the mentioned objective in both of OP and Ug mining was done on the economic ... pp. 297-309. 16- Francois-Bongarcon, D., Marechal, A: A new method for open pit design ...

Optimisation of open pit mine block sequencing - YouTube

Apr 28, 2015· Presented by Amin Mousavi at Queensland University of Technology, Australia on 15 Apr 2015.Abstract: An important stage in open pit mining is to determine t...