open pit mine design factors

  • Basics of an open pit mine mine engineer

    Open pit mines can be used in coal mining and they are used extensively in "hard rock" mining for ores such as metal ores copper gold iron aluminum and many minerals In a open pit coal mine the pit bottom would be the bottom mined coal seam elevation since it is usually feasible to extract multiple seams when surface mining coal

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  • Estimating Mining Factors (Dilution and Ore Loss) in Open

    Large open pit mines are driven by the economies of scale that are achieved at the cost of less selectivity in the discrimination of ore and waste Planning for these mines is facilitated by the use of block models for mine design scheduling and the conversion of Mineral Resources into Ore Reserv

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  • Guidelines for Open Pit Slope Design 3 Design Edumine

    The design of the slopes is one of the major challenges at every stage of planning and operation of an open pit mine It requires specialised knowledge of the geology which is often complex in the vicinity of orebodies where structure and/or alteration may be key factors and of the material properties which are frequently highly variable

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  • Designing safer open pit mines CSIRO

    Dec 10 2018· Slope failure in a large open pit mine can cause costly losses of operation time and productivity In a worst case scenario it can result in injury and death We applied our expertise in the field of slope stability and open pit mining geomechanics to design world

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  • Reconstructions iopscienceioporg

    design should take into account the findings of rock fragment assessment to cut down the mining cost and shorten the working time Drilling and blasting in open pit mines represent 15 to 20 % of the total mining cost [13] For constant conditions of bench height powder factor type of rock and blast hole

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  • Open Pit Mining 911metallurgist

    In model 1 with Stephen and in the previous topic we saw that the geological aspect is one of the main factors that affect the design of a surface mine What are the characteristics and other aspects should be taken into a code for the final configuration of the surface mine Between them we have to take into account of the safety economics and the recovery of the material

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  • Project design of an open pit colliery in Terkidag Turkey

    Project design of an open pit colliery in Terkidag Turkey H Kose1 C Pamukcu and E Yalcin the project design of an open pit coal mine that is located in Thrace region of Turkey will be investigated the external factors the mining method the scale of operations the open pit design the open pit

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  • Open pit mine planning considering geomechanical

    of the mine [4] Several factors must be taken into account during the mine planning process to fulfil the main goal of the open pit mine planning to maximise the value of the business according to the strategic objectives of the mining company These factors include the economic parameters such as costs and

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  • GEOTECHNICAL CONSIDERATIONS IN OPEN PIT MINES

    Geotechnical Considerations in Open Pit Mines Version 10 Department of Minerals and Energy Page 3 of 49 10 INTRODUCTION The potentially hazardous nature of open pit mining requires the application of sound geotechnical engineering practice to mine design and general operating procedures to allow

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  • Dilution and ore recovery QueensMineDesignWiki

    The issue of balancing dilution and ore recovery is a challenging one as profitability is to be optimized while not effecting the efficiency of operation It has been noted that instead of utilizing labour intensive mining methods to high tonnage bulk mining has decreased the ability to control ore recovery

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  • Estimating Mining Factors (Dilution and Ore Loss) in Open

    Large open pit mines are driven by the economies of scale that are achieved at the cost of less selectivity in the discrimination of ore and waste Planning for these mines is facilitated by the use of block models for mine design scheduling and the conversion of Mineral Resources into Ore Reserv

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  • MINE HAUL ROAD DESIGN AND MANAGEMENT BEST

    condition or the role of road design in contributing to an accident (as a root cause or associated factor) to be identified One of the first and arguably most important initiatives to formalize the approach to design and management of mine haul roads was the USBM(3) Information Circular 8758 Design of Surface Mine Haulage Roads A Manual

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  • MINE HAUL ROAD DESIGN AND MANAGEMENT BEST

    condition or the role of road design in contributing to an accident (as a root cause or associated factor) to be identified One of the first and arguably most important initiatives to formalize the approach to design and management of mine haul roads was the USBM(3) Information Circular 8758 Design of Surface Mine Haulage Roads A Manual

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  • Determination of Optimum Production Capacity and Mine Life

    capacity and a mine life in the mine planning In open pit mine planning many factors affect total fixed and operating costs such as haulage costs particularly when the mine goes deeper geomechanical features of the ore body and surrounding rocks diggability and

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  • What are steps of Open Pit Mine Design? researchgate

    The steps of an open pit mine design can be classified in categories and subcategori Once you have a block model you need to evaluate several factors simultaneously (geological technical

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  • Slope Design and Implementation in Open Pit Mines

    and also limitations through case studies of slope design in open pit min Keywords slope stability slope design engineering geology fault open pit mines SOMAIR uranium mine OCP phosphate mine 1 INTRODUCTION Slopes of mines and quarries some of which may reach several hundred meters deep must be

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  • Investigation of Excavator Performance Factors in an Open

    The data from such a dispatch system in Geita Gold Mine (GGM) was used in this study to assess the productivity of the open pit mine Open pit mine operation is an expensive business endeavor with main cost components comprising of earth moving (or material transport) costs and heavy duty equipment investment to mention a few

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  • Open Pit Mine Planning and Design Shifting knowledge to

    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

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  • Open Pit Mine Design Planning & Engineering | Mining

    Open Pit Mine Design Planning and Engineering Fernando specializes in mine plan optimization for surface underground and open pit min He has a great deal of experience with open pit mines serving on several due diligence teams responsible for all aspects of mining costing mine planning and geotechinical work

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  • Determining the open pit to underground transition A new

    Nilsson (1981) gave a good account of the factors that need to be considered when planning a transition from open pit to underground mining including geotechnical interactions economic considerations and operational challeng He recognised that the optimal pit design changes if

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  • Open Pit Mine Planning and Design Shifting knowledge to

    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

    [Live Chat]
  • Open Pit Mine Design Planning & Engineering | Mining

    Open Pit Mine Design Planning and Engineering Fernando specializes in mine plan optimization for surface underground and open pit min He has a great deal of experience with open pit mines serving on several due diligence teams responsible for all aspects of mining costing mine planning and geotechinical work

    [Live Chat]
  • THE IMPORTANCE OF DILUTION FACTOR FOR OPEN PIT

    al 1995) This paper introduces a methodology to quantify dilution factor in open pit min The proposed approach makes use of general mining software available in most mining compani Therefore it is amenable to most mining operations and provides a readily available tool for understanding mining

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  • The mine planning process for an open pit diamond mining

    mining cost depth escalation factor is currently US 16 cents per bench (bench height is 14 m) Processing costs The Letseng processing plants are also contractor operated Treatment costs comprise the contractor labour rates power spares and consumables per ton The mine planning process for an open pit diamond mining operation

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  • H BLASTING IN SURFACE EXCAVATION Mining and Blasting

    Figure 4 Design of each blasthole detonatin g separately (After AECI) 2 Chevron patterns A closed chevron pattern (Figure 5) produces a high profile rock pile with a possible secondary fragmentation due to impacts between rocks projected from opposite directions An open chevron patterns gives evenly spread rock piles

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