A fuzzy method for selecting underground coal mining ...

Abstract. One of the crucial decisions affecting productivity of the mine is the mining method selection. Longwall mining is quite common in underground coal mining, and it allows the use of mechanization.

Mining method selection by using an integrated model

Selection of mining method is one of the most crucial decisions in the design stage of mine that mining engineers have to make. Selecting a mining method for mineral resources is completely dependent on …

Underground mining method selection by decision making ...

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.

Denison Reports Results from Wheeler River PFS, Including ...

Sep 25, 2018· Selection of ISR Mining Method. After completion of the 2016 PEA, Denison initiated a detailed review of the development plan for the Phoenix deposit – …

Underground Mine Design |Planning & Mining Engineering

Underground Mine Design, Planning and Engineering Maximize your ore reserve value by using our operating expertise to customize your mining plan We have years of first-hand underground mine engineering and operating experience in most countries and across multiple commodities using all common mining methods.

Mining method selection and transition depth …

67 Mining method selection and transition depth determination problems- which one is in priority of consideration? E. BAKHTAVAR*1, K. SHAHRIAR2, K. ORAEE3 and P. FLETT3. 1- Division of Mining Engineering, Urmia University of Technology, Urmia, Iran

Mining method selection by integrated AHP and PROMETHEE …

the past for mining method selection. Bajkonurov (1969), Budko (1971), Imenitov (1970) and Popov (1970) have suggested a procedure for mining method selection that comprises two phases (preliminary mining method selection and the selection of the most suitable mining method from a group of applicable methods). The selection of the

Mining method selection by integrated AHP and ... - SciELO

The selection of a suitable mining method for an ore deposit requires the consideration of a numerous criteria, such as mining-geological factors, economic factors and miningtechnical factors. This selection problem is based on the comparisons of mining method alternatives according to the identified criteria.

Underground Mining Methods and Equipment

The selection of underground mining methods is primarily based on the geological/spatial setting of the deposit. Candidate methods can therefore be chosen and ranked based on estimated operational/capital costs, production rates, availability of labors and

Mining method selection by AHP T approach - saimm.co.za

Mining method selection is one of the most critical and problematic activities of mining engineering. The ultimate goals of mining method selection are maximizing company's profit and recovery of the mineral resources and providing a safe environment for the miners by selecting the suitable method with the fewest problems among the feasible ...

(PDF) Mining method selection by AHP approach

The mining engineer must balance the input parameters and select the method that appears to be the most suitable; mining method selection is both an art and a science.

Mining method selection Research Papers - Academia.edu

mining method selection metodology by multiple criteria decision analysis - case study in colombian coal mining The purpose of this paper is to present an application of the AHP technique to a mining method selection problem faced by a Colombian mining company; in this case we use five decision makers.

Mining Method Selection - Minxcon Group

The selection of the mining method is a complex task considering many technical, economic, human and historical factors. Analysing all these factors will assist in identifying the

Method Selection - onemine.org

METHOD SELECTION - STAGE 1 The main purpose of Stage 1 is to select those mining methods which should be considered in greater detail. The simplest way to do this is by defining those characteristics required for each mining method and then determining whether the characteristics of the deposit are suitable.

Feature selection - Wikipedia

The feature selection methods are typically presented in three classes based on how they combine the selection algorithm and the model building. ... Feature Selection for Knowledge Discovery and Data Mining (Book) An Introduction to Variable and Feature Selection (Survey) Toward integrating feature selection algorithms for classification and ...

Selection of mining method - QueensMineDesignWiki

Selection of mining method. Context: The selection of a mining method for a given orebody can be a challenging assignment and may need to address personal bias for or against a particular method.The selection of the mining method may also need to occur prior to the completion of desired geotechnical or ore value determinations.

selection criteria minemining - icmcis2016.eu

Mining method selection by integrated AHP and … The AHP is used to analyze the structure of the mining method selection problem and to determine weights of the criteria, and PROMETHEE method is used to. Chat Online

Orebody Modelling and Mining Method Selection at the ...

This has caused the choice of underground mining method to be revised several times and the process to final mining method selection to take longer than usual. In order to achieve the planned production start-up date of July 1998 the process has been allowed to progress in parallel with development of the underground mine.

ViMine 1B: Mining Method Selection | School of Minerals ...

In this module, students are given an ore body deposit along with detailed geological and rock characteristics such as dip, depth, RMR, etc. Based on the characteristics, a list of suitable mining methods is displayed using UBC Mining Method Selection.

Topic 5: Mining Methods-Part I-Surface mining

Mining Methods, Surface Mining Methods, Mechanical and aqueous surface mining methods ... Selection of Mining Equipment • Stripping Ratio – in case of Opencast. • Life of the mine. • Infrastructure available. • Proposed annual output. • Technology available. 1. Shovel + Dumper 2.

mining method selection factors - paleodieetwijzer.nl

Notes on Mining Method Selection UBC Mining Method Selection is a modified version of the Nicholas ... human and historical factors Analysing all these ... The Coal Mining Methods Selection of Large In order to select the reasonable coal mining method of large mine, analysing the main factors of affecting the mining method and establishing the ...

Mining Method Selection - Edumine

UBC Mining Method Selection (see Appendix II - Mining Method References) is a modified version of the Nicholas approach for selection of mining method based on orebody characteristice (refer Nicholas 1981). Selection involves summation and ranking of numerical values associated with orebody characteristics that reflect the suitability of a particular method.

Mining method selection by multiple criteria decision ...

Mining method selection by multiple criteria decision making tools by M.R. Bitarafan and M. Ataei* Synopsis Mining method selection is the first and most important problem in mine design. In this selection some of the parameters such as geological and geotechnical properties, economic parameters and geographical factors are involved.

A new approach to mining method selection based on ...

A new approach to mining method selection based on modifying the Nicholas technique. Author links open overlay panel Amir Azadeh a M. Osanloo b M. Ataei c. Show more. ... The main purpose of this paper is to represent a solution to the problem of mining method selection (MMS) in mining projects. To this aim, the well-known MMS technique of ...

mining method selection - vics2017.org

Notes on Mining Method Selection UBC Mining Method Selection is a modified version of the Nicholas approach for selection of mining method based on orebody characteristice refer Nicholas 1981 Selection involves summation and ranking of numerical values associated with orebody characteristics that reflect the suitability of a particular method .

INTRODUCTION TO MINING - Ciência Viva

INTRODUCTION TO MINING 1.1 MINING'S CONTRIBUTION TO CIVILIZATION ... The abundance of minerals also provides a method of creating wealth. Minerals can be marketed on the open market,enabling the countries that possess them to obtain valuable currency from …

Design an Appropriate Mining Method for Extraction of …

online method selection tool and the Mining Method Selection tool (MMST, UNZA).The UBC mining method selection is a modification of the Nicolas approach (1981), which places more emphasis on stoping method. According to Nicolas, each mining method is ranked according to the suitability of its geometry/grade distribution and ore zone,

Practical applications from decision-making techniques for ...

— The Mining method selection has multiple dimensions. The system of mining method selection iscomposed subsystemsand each subsystemconsistsof itsown subsystems. For example, the operation system consists of a mining system, ore dressing system and processing system. Therefore, the system of mining method selection is a large