pit limit in open pit mining

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  • PDF Determination of Ultimate Pit Limits in Open Mines ,

    01-07-2008 0183 32 Planning and design procedure of an open pit mining project just can be started after ultimate pit determination In the carried out study in this paper it was shown that the most important factor ....

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  • Determination of Optimum Production Capacity and Mine Life ,

    and processing capacity Sevim and Lei 10 described open pit ultimate limits, the cut-off grade, the mining sequence, and the production rate interactions The methodology in their study based on a combination of optimum mining sequence, ore and waste production ultimate pit limits, and mine life In all possible sequences....

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  • DETERMINATION OF ULTIMATE PIT LIMITS IN OPEN MINES USING ,

    mine planners Keywords Open pit mining Ultimate Pit Limits UPL Price uncertainty Decision making Real Option Approach ROA 1 1Introduction Open pit mine planning is a procedure that can be started just after ultimate pit determination and cut-off grade calculation which both of them directly depend on final product price of the mine...

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  • Mathematical relationship between ultimate pit limits ,

    01-05-2019 0183 32 Optimizing the final pit limit is one of the most important aspects of the design of open pit mining In the last decades, there have been two major approaches to determining the final pit limit The first approach is undiscounted profit maximization and the other is maximizing the NPV of the ultimate pit limit...

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  • Pit Limit In Open Pit Mining

    Pit Limit In Open Pit Mining KOV Open Pit Mine Katanga Mining Limited The Kamoto East pit was operational from 1960 to 1985 and the adjacent KOV pit from 1983 onwards, both under the auspices of the DRCs stateowned mining companyIt was used only briefly and is in good condition, requiring limited refurbishment Get Price...

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  • Pit Limit In Open Pit Mining

    DETERMINATION OF ULTIMATE PIT LIMITS IN OPEN MINES Keywords Open pit mining Ultimate Pit Limits UPL Price uncertainty Decision making Real Option Approach ROA 1 1Introduction Open pit mine planning is a procedure that can be started just after ultimate pit determination and cut-off grade calculation which both of them directly depend on final product ,...

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  • Stripping ratio and pit limit

    26-07-2017 0183 32 Stripping ratio determines where the pit limit will be There are basically three 3 forms of stripping ratios The overall stripping ratio average stripping ratio , the maximum allowable stripping break even stripping ratio , and the instantaneous stripping ratio incremental stripping ratio Fig1 Section of a proposed pit...

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  • pit limit in open pit mining

    In open pit mine planning the design of the most profitable ultimate pit limit is a prerequisite to developing a feasible mining sequence Presently the design of an ultimate pit is achieved through a computer program in most of the mining companies 3D block model is commonly applied to represent geologic and economic information of an ....

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  • Determination of Ultimate Pit Limits in Open Mines Using ,

    30-06-2008 0183 32 Abstract Planning and design procedure of an open pit mining project just can be started after ultimate pit determination In the carried out study in this paper it was shown that the most important factor in ultimate pit determination and in consequence in the whole planning and design procedure of an open pit mine is the metal price...

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  • pit limit in open pit mining

    pit limit in open pit mining We sincerely welcome you to contact us through hotlines and other instant communication ways...

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  • Determination of Ultimate Pit Limits in Open Mines Using ,

    determination of the largest pit with the non-negative net profit in the open pit mines the determination of the ultimate pit limit upl is the first step in the open pit mine planning process in this stage that parts of the mineral deposit that are economic to mine are determined there are several mathematical, heuristic and meta-heuristic algorithms to determine upl the ,...

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  • PDF Determination of Ultimate Pit Limits in Open Mines ,

    15-07-2008 0183 32 Corpus ID 35218072 Determination of Ultimate Pit Limits in Open Mines Using Real Option Approach article Akbari2008DeterminationOU, title= Determination of Ultimate Pit Limits in Open Mines Using Real Option Approach , author= Afshin Akbari and M Osanlou and Mohsen Akbarpour Shirazi , journal= International Journal of Industrial Engineering \ ,...

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  • PDF Determination of Ultimate Pit Limits in Open Mines ,

    15-07-2008 0183 32 Planning and design procedure of an open pit mining project just can be started after ultimate pit determination In the carried out study in this paper it was shown that the most important factor in ultimate pit determination and in consequence in the whole planning and design procedure of an open pit mine is the metal price Metal price fluctuations in recent ,...

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  • Basics of an open pit mine

    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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  • Selection of practical bench height in open pit mining ,

    Key words Open pit mining, bench height, multi-criteria decision making INTRODUCTION As a definition in open pit mining, bench height is the vertical distance between crest and toe of the bench Fourie and Dohm, 1992 Determination of optimum bench height is a major concern in most open pit min...

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  • Ultimate Pit Limit Optimization Methods in Open Pit Mines ,

    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 documents some methods used in ultimate pit limit optimization and gives a clear insight of these algorithms, their functionalities and limitations to open up more research opportuniti...

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  • Design of openpit mining

    13-03-2012 0183 32 3 Should be near the External dump / Coal yard / Mine service facilities etc 4 Main haul road upto the pit limit should be planned in the beginning only 5 Since haul costs constitute about more than 40 and tyre costs about 10 of the total mining costs,priority for design,construction and maintenance should be given...

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  • 723 Pit Terminology ABC 123 Testing Site / Course

    Regulatory Limits Federal and state regulatory agencies have regulations that limit bench height for specific mining operations, depending on the commodity, to ensure the safety of mine workers and equipment inside the pit...

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  • GEOTECHNICAL CONSIDERATIONS IN OPEN PIT MINES

    practice in open pit min The application of sound geotechnical engineering practice is considered to be an integral component of Part 2 of the Mines Safety and Inspection Act 1994 MSIA It is emphasised that this guideline is not totally inclusive of all factors concerning the application of geotechnical engineering in open pit mining...

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  • Calculating ultimate pit limits and determining pushbacks ,

    01-08-2021 0183 32 A very important part of any open-pit mining project is determining the ultimate pit limits and optimizing the pushbacks Currently, block models are the most widely used for calculating mineral resources and reserv Block models can define the ultimate pit limits through algorithms like floating cone, Lerchs-Grossmann, PseudoFlow, etc...

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  • Pit Limit In Open Pit Mining

    In open-pit mine planning, the design of the most profitable ultimate pit limit is a prerequisite to developing a feasible mining sequenceCurrently, the design of an ultimate pit is achieved through a computer program in most mining companiThe extraction of minerals in open mining methods needs a lot of capital investment, which may take several decad...

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