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the selection of an underground mining method

Abstract Underground mining method selection is a critical decision problem for available underground ore deposits in exploitation design As many comprehensive factors such as physical parameters economic benefits and environmental effects are claimed to be established and a group of experts are involved in the issue the underground mining method selection is deemed as a

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  • Underground Hard Rock Mining RAMJACK

    Fundamentally underground hard rock mining has changed very little over the last century or so Shafts and tunnels are excavated and constructed to allow miners to reach an ore zone the ore body is broken up using blasting or other methods and the resulting material transported along tunnels and up shafts to the surface where it is crushed and processed

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  • Mining method selection by integrated AHP and PROMETHEE method

    ABSTRACT Selecting the best mining method among many alternatives is a multicriteria decision making problem The aim of this paper is to demonstrate the implementation of an integrated approach that employs AHP and PROMETHEE together for selecting the most suitable mining method for the Coka Marin underground mine in Serbia

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  • Underground Mining Mining North Works

    There are several types of underground mining and the method chosen depends on the orebody characteristics vein massive tabular and on the strength of the ore and surrounding rock Veins are often mined using stope mining which involves excavating portions of ore creating cavelike voids underground

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  • How Underground Mining Works HowStuffWorks

    Underground mines are the alternative to surface mines Surface mines excavate from the top down a method that can become inefficient at depths greater than about 200 feet 60 meters sources Illinois Coal Association De BeersUndergrounds coal mines can drive 2500 feet 750 meters into the Earth and other types even deeper uranium mines can reach 6500 feet or 2 kilometers

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  • Appendix E Coal Mining and Processing Methods Coal

    Underground mining is usually by the roomandpillar mining or longwall mining method Even in mines where the longwall method is the principal extraction method the development of the mine and the longwall panels is accomplished by roomandpillar continuous mining

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  • Digging deeper Mining methods explained Anglo

    Underground mining has a lower ground footprint than open pit mining The underground mining methods we use include room and pillar narrow vein stoping and largescale mechanised mining Room and pillar mining is a style of mining where tunnels are driven in a chess board pattern with massive square pillars between them which are gradually cut

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  • Opencut Mining or Underground Mining Which Is Better

    Oct 21 2017 Coal is the largest portion of underground mining It represents 60 percent of global coal production Besides coal underground can be used to mine gold or copper In underground mining there are two methods bordandpillar and longwall Bordandpillar Bordandpillar is the oldest mining method A grid of tunnels is created in the areas

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  • Mining method selection and transition depth

    Mining method selection transition depth openpit underground combined mining 1 Introduction Naturally ore bodies come in every imaginable geometric shape While surface hard rock mines apply the openpit method to almost any ore configuration a large number of underground mining methods have been developed primarily in response to the

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  • CHAPTER V MINING METHODS AND COAL

    Underground mining method selection is one of the most important decisions that mining engineers have to make Choosing a suitable underground mining method to extract a mineral deposit is very important in terms of economics safety and productivity of mining operations Alpay and Yavuz 2009

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  • Block caving A new mining method arises

    Jul 25 2018 Block cavingA new mining method arises Block caving is a new alternative method of developing new mines or extending the operation of open pits Block caving is an underground hard rock mining method that involves undermining an ore body allowing it

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  • Underground mining method selection and preliminary

    This work determines the mining method which maximizes economic return for the Wombat orebody This is a three phase process First phase is the mining method selection on technical suitability to the orebody for which two methods are The UBC method is applied first resulting in the selection of the area of sublevel stoping methods

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  • Underground Mining Method Selecting System Based on

    It is well known that mining method is the core of an underground mine In order to select mining methods scientifically and reasonably after summarizing the underground mining methods an underground mining methods selecting system based on fuzzy theory is established which includes primary selecting based on fuzzy clustering and final selecting based on multiobjective decision

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  • Underground mining method selection and preliminary

    First phase is the mining method selection on technical suitability to the orebody for which two methods are The UBC method is applied first resulting in the selection of the area of sublevel stoping methods Later a new technique is introduced to optimize the mining method selection process and to control the wide spectrum of mineral deposits

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  • New to Mining Here are the Most Common Advancing Mining

    Dec 21 2015 Underground mining techniques have progressed significantly over the past years including using remote controlled machinery Drills assist in creating holes descending underground If miners are required to work underground drills can also be used in ensuring the holes are large enough to serve as a portal for miners to enter

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  • Models for Mining Equipment Selection

    The Mining Method selection problem focuses on choosing the correct excavation method for the given mining conditions Generally this research is based on anecdotal methods where a feasible solution is sought rather than an optimal solution Much of the literature on mining method selection does not discuss equipment selection modelling in

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  • lh International Mining Congress and Exhibition ot

    lh International Mining Congress and Exhibition ot TurkeyIMCET 2003 2003 ISBN 9753956053 A Guideline for DSS System for Underground Mining Method Selection Alpay Osnangaz University Eskiehir Turkey ABSTRACT Underground mining method selection is an important planning phase which affects project

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  • underground mining equipment selection BINQ Mining

    underground coal mining equipment selection Coal Mining EquipmentCoal Mining MethodsOpenCut Surface However in some countries the high capital cost of importing this equipment can favour the selection More detailed

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  • mining Underground Mining Methods Infoplease

    mining Underground Mining Methods Enter your search terms A major factor in the decision to operate by underground mining rather than surface mining is the strip ratio or the number of units of waste material in a surface mine that must be removed in order to extract one unit of ore

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  • What are the main methods of mining American

    There are four main mining methods underground open surface pit placer and insitu mining Underground mines are more expensive and are often used to reach deeper deposits Surface mines are typically used for more shallow and less valuable deposits Placer mining is used to sift out valuable metals from sediments in river channels beach sands or other environments

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  • Underground Mining Method Selection Using WPM and

    The aim of this paper is to represent the solution to the problem of selecting suitable underground mining method for the mining industry It is achieved by using two multiattribute decision making techniques These two techniques are weighted product method WPM and preference ranking organization method for enrichment evaluation PROMETHEE

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  • Mining Feasibility Studies SRK Consulting

    Mining Feasibility Studies Mining method analysis and selection With his extensive understanding of surface and underground mining waste disposal mine infrastructure and mine economics Jeff is able to coordinate these efforts in a way that maximizes the value of

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  • Cave Mining Techniques Mining Information

    Cave mining techniques are the most popular methods for exploiting massive orebodies deep within the earth In general cave mining refers to all underground mining techniques in which the orebody is undercut or drilled beneath the surface and is recovered as it falls

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  • 2012 Americas School of Mines

    PwC Open pit mining Mining Methods 5 Open pit mines are used to exploit low grade shallow ore bodies However some pits are quite deep about 1 km The mining rate is greater than 20000 tonnes per day tpd but is usually much greater

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  • Approaches for Underground Mining Method Selection

    Apr 18 2017 Selection of the bestfitting method is the most important aspect of mining in terms of technoeconomic parameters Since underground mining methods are techniques of recovering mineral deposits below the earths surface they require a

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  • 11 PHASES OF A MINING PROJECT Home ELAW

    1133 Underground mining In underground mining a minimal amount of overburden is removed to gain access to the ore deposit Access to this ore deposit is gained by tunnels or shafts Tunnels or shafts lead to a more horizontal network of underground tunnels that directly access the ore In an underground mining method called stoping or

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  • Underground Mine Design Planning and Engineering

    Underground Mine Design Planning and Engineering Increase project efficiency and productivity through rigorous mining method selection and use of advanced technology We have extensive global underground mine engineering and operating experience across most major commodities and mining methods

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  • Underground Mine Design Planning Engineering Mining

    As a global SRK group we have specialist underground mining expertise to provide solutions for the unique features of each project Based on this extensive experience we utilise an innovative and rigorous mining method selection and planning methodology that maximises the economic benefit of the project

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  • 4 Uranium Mining Processing and Reclamation Uranium

    URANIUM MINING METHODS Based on the current understanding of uranium deposits in the Commonwealth of Virginia extraction of uranium ore would use openpit mining or underground mining or a combination of both These general terms incorporate a large variety of design possibilitiesthere are as many methods of mining uranium as there are orebody sizes shapes

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  • Underground Mining Methods and Technology Volume 1

    The systemsground control interface and its impact on mining method selection A Kumar et al Monitoring of the performance of mechanical roof bolts in an Appalachian coal mine KF Unrug The design of rock bolting systems for the coal mining industry G Daws

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  • Hardrock Mining TechniquesUnderground MinesMinings Method

    Underground mining hard rock Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals such as those containing metals like gold copper zinc nickel and lead or gems such as diamonds In contrast soft rock mining refers to excavation of softer minerals such as coal or oil sands Mine Access

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