Showing 01 - 12 of 139 Results

shope

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.

shope

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.

shope

Factors influencing mining method selection

From: Queen's Mine Design Wiki Note: Oil and gas deposits are not discussed here. Underground mining methods are the focus of this article. The selection of a mining method for an ore deposit is based on many factors that are driven by the economics and profitability of the mine for a company.

shope

Mining method selection by multiple criteria decision

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

shope

Mining method selection by integrated AHP and PROMETHEE

the mining method selection, such as geological and geotechnical properties, economic parameters and geographical factors. 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

shope

Equipment Selection for Surface Mining: A Review

Key words: Equipment Selection, Surface Mining, Shovel-Truck Productivity, Mining Method Selection, Multi-Commodity Network Flow Introduction The general Equipment Selection Problem (ESP) is to choose a collection of compatible, but not necessarily homogeneous, items of equipment to perform a speci ed task. In many applications,

shope

(PDF) Effective factors investigation in choice between

Under similar conditions, surface mining is generally regarded to be more advantageous than underground mining. In the selection between surface and underground exploitation methods, there are a number of most significant factors must be briefly

shope

Coal mining Choosing a mining method Britannica

Choosing a mining method. The various methods of mining a coal seam can be classified under two headings, surface mining and underground mining. Surface and underground coal mining are broad activities that incorporate numerous variations in equipment and methods, and the choice of which method to use in extracting a coal seam depends on many technological, economic, and social factors.

shope

Factors influencing choice of methods SlideShare

Mar 14, 2014· factors influencing choice of methods Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website.

shope

factors influencing mining greenrevolution.org.in

The factors that influence the selection of mining ways Business. Jan 24, 2013 These factors among others are what will influence the selection of a mining method and the overall plan for developing the orebody.

shope

Mining Method Selection Factors Henan Mining Machinery

The most important factor affecting mining method selection among these factors is the shape of the orebody. The mining methods that can be used in Development of a Data Mining Methodology using Robust Design Sangmun Shin, Myeonggil Choi, 4.1 Significant factor selection using data mining method

shope

Selected Geologic Factors Affecting Mining of the

SELECTED GEOLOGIC FACTORS AFFECTING MINING OF THE PITTSBURGH COALBED C. M. McCulloch. Wm Pm Diamondl' B. Mm Bench. l and Maurice Deul 1 ABSTRACT As part of the Bureau of Mines methane control program, the Pittsburgh coalbed was studied in Washington and Green Counties, Pa.,and in Marion and 1

shope

(PDF) Optimal open pit mining equipment selection using

Optimal open pit mining equipment selection using fuzzy multiple attribute decision making approach of several subjective factors or criteria, decisions problem has been the selection of

shope

A fuzzy method for selecting underground coal mining

Nov 30, 2012· 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. As application of mechanization increases, production also increases and the number of workers decreases.

shope

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.

shope

Mining method selection by AHP T approach

suitable mining method selection based upon geological, geotechnical, geographical and economical parameters. Since there are many factors involved in mining method selection, the decision-making process is very difficult. In this paper, the Analytical Hierarchy Process, with 13

shope

Mining method selection by integrated AHP and PROMETHEE method

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.

shope

UNDERGROUND COAL MINING: FACTORS, COST, AND

UNDERGROUND COAL MINING: FACTORS, COST, AND TIME CONSIDERATIONS Presented by: Key Physical Features in the Selection of an Underground Mining Method • Coal seam thickness • Previous mining activities. Other Factors in the Selection of an Underground Mining Method • Regulations • Need for mobility and flexibility • Capital

shope

d32ogoqmya1dw8.cloudfront.net

d32ogoqmya1dw8.cloudfront.net

shope

Selection of overburden surface mining method in West

Sep 20, 2014· The optimal mining method has the highest priority percentage. The results of these adjustments for the cost criteria can be seen in Table 8. Results show that the optimal mining method selection continues to be the SM mining method until the of cost priority percentage is increased by approximately 20 %.

shope

A new approach to mining method selection based on

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 Nicholas has been modified so that in addition to eliminate its defects, it would be possible for mining engineers to easily assign their engineering judgments to unsteady and uncertain characteristics of mineral resources.

shope

What are the main methods of mining? American

What are the main methods of mining? PDF version. There are four main mining methods: underground, open surface (pit), placer, and in-situ 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.

shope

mining method selection factors

Mining Methods, Surface Mining Methods, Mechanical and aqueous surface mining methods,Understand the geological factors for surface mining Understand the engineering factors for surface mining Explain what a placer deposit is Understand the surface mining methods: We will explore all of the above in Topic 5,Selection of Mining . [Chat

shope

Mining method selection by integrated AHP and PROMETHEE method

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.

shope

d32ogoqmya1dw8.cloudfront.net

d32ogoqmya1dw8.cloudfront.net

shope

mining method selection factors

Mining Methods, Surface Mining Methods, Mechanical and aqueous surface mining methods,Understand the geological factors for surface mining Understand the engineering factors for surface mining Explain what a placer deposit is Understand the surface mining methods: We will explore all of the above in Topic 5,Selection of Mining . [Chat

shope

UNDERGROUND COAL MINING: FACTORS, COST, AND

UNDERGROUND COAL MINING: FACTORS, COST, AND TIME CONSIDERATIONS Presented by: Key Physical Features in the Selection of an Underground Mining Method • Coal seam thickness • Previous mining activities. Other Factors in the Selection of an Underground Mining Method • Regulations • Need for mobility and flexibility • Capital

shope

Selection of overburden surface mining method in West

Sep 20, 2014· The optimal mining method has the highest priority percentage. The results of these adjustments for the cost criteria can be seen in Table 8. Results show that the optimal mining method selection continues to be the SM mining method until the of cost priority percentage is increased by approximately 20 %.

shope

A new approach to mining method selection based on

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 Nicholas has been modified so that in addition to eliminate its defects, it would be possible for mining engineers to easily assign their engineering judgments to unsteady and uncertain characteristics of mineral resources.

shope

The factors that influence the selection of mining ways

These factors among others are what will influence the selection of a mining method and the overall plan for developing the orebody. Operating mines vary in size from small underground operations (some of these operations have only a few levels of production and may produce less than 100 tonnes of ore per day) to the large open pits (some of

shope

What are the main methods of mining? American

What are the main methods of mining? PDF version. There are four main mining methods: underground, open surface (pit), placer, and in-situ 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.

shope

Surface Mining Methods and Equipment

UNESCO EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING Vol. II Surface Mining Methods and Equipment J. Yamatomi and S. Okubo ©Encyclopedia of Life Support Systems (EOLSS) Figure 2. Change in production and productivity of US coal mines The higher productivity for open pit mining equipment also lowers costs.

shope

Hard Rock Miner's Handbook Stantec

Mining industry response to the book continues to be incredible. Thanks in large part to the efforts by John Chadwick of the Mining Journal, infomine, and many other members of the mining community, the Hard Rock Miner’s Handbook has been distributed to over 113 countries worldwide. Web hits and downloads continue as students and

shope

ANALYSIS OF TECHNICAL FACTORS FOR UNDERGROUND

ANALYSIS OF TECHNICAL FACTORS FOR UNDERGROUND MINING OF DEEP WATERBERG COAL RESOURCES Carnegie Kelello Chabedi . A dissertation submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, in fulfilment of the requirements for the degree of Masters of Science in Engineering . Johannesburg, 2013

shope

The factors that influence the selection of mining ways

Jan 24, 2013· These factors among others are what will influence the selection of a mining method and the overall plan for developing the orebody. Operating mines vary in size from small underground operations (some of these operations have only a few levels of production and may produce less than 100 tonnes of ore per day) to the large open pits (some of

shope

The Coal Mining Methods Selection of Large Mine Based on

In order to select the reasonable coal mining method of large mine, analysing the main factors of affecting the mining method and establishing the evaluation index system of coal mining methods selection to large mine, then using Analytic Hierarchy Process (AHP) to calculate the weight of each index. The grey correlation evaluation model of mining method was established for large mine by

shope

Surface Mining Methods iloencyclopaedia.org

Mining equipment selection. The selection of mining equipment is a function of the mine plan. Some of the factors considered in the selection of mine equipment include the topography of the pit and surrounding area, the amount of ore to be mined, the speed and distance the ore must be transported for processing and the estimated mine life

shope

Using Frequent Item Set Mining and Feature Selection

Using Frequent Item Set Mining and Feature Selection Methods to Identify Interacted Risk Factors The Atrial Fibrillation Case Study Xiang LIa,1, Haifeng LIUa, Xin DUb, Gang HUa, Guotong XIEa and Ping ZHANGc aIBM Research China, Beijing, China bDepartment of Cardiology, Beijing Anzhen Hospital, Beijing, China cIBM T.J. Watson Research Center, New York, USA

shope

Surface Mining Methods iloencyclopaedia.org

Mining equipment selection. The selection of mining equipment is a function of the mine plan. Some of the factors considered in the selection of mine equipment include the topography of the pit and surrounding area, the amount of ore to be mined, the speed and distance the ore must be transported for processing and the estimated mine life

shope

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

shope

Mining big data using parsimonious factor ScienceDirect

1. Introduction. In recent years, a considerable amount of research has focused on the analysis of “big data” in economics. This in turn has resulted in considerable attention being paid to the rich variety of methods that are cavailable in the areas of machine learning, data mining, variable selection, dimension reduction, and shrinkage.

shope

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

shope

CHAPTER 11 Mining Technology Princeton University

two methods of underground mining in the West: 1) room and pillar with contin-uous miners, and 2) longwall mining; recent underground mining technology developments in Europe and the West-ern United States that could affect the production of coal from Federal leases; and factors affecting the choice of these un-derground coal mining technologies in

shope

Topic 5: Mining Methods-Part I-Surface mining

Nov 02, 2011· Topic 5: Mining Methods-Part I-Surface mining 1. Topic 5: Mining Methods Part I-Surface mining Hassan Z. Harraz [email protected] 2010- 2011 Prof. Dr. H.Z. Harraz Presentation 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

shope

Room and pillar mining Wikipedia

Planning for the development of room and pillar mines operates in much the same way as other mining methods, and begins with establishing ownership of the mine. Following this, the geology of the mine must be analysed, as this will determine factors like the lifespan of the mine, the production requirements, and the cost to develop and maintain.

shope

An Optimisation Approach to Materials Handling in

a comprehensive literature review in Chapter 2, outlining the methods applied and candidly discussing the successes and pitfalls of these approaches. We also organise the literature by linking related elds, such as Shovel-Truck Productivity and Mining Method Selection. In Chapter 3 we extend the match factor ratio, an important productivity index

shope

Quarrying of Stones: Its Methods, Selection of Site

(i) Selection of Method for quarrying: At present, quarrying can be done either by manual methods or by machines. The method has to be chosen right in the beginning. The choice will depend upon the size of the quarry, the nature of the rock and the demand for building stones.

shope

Mining method selection and transition depth

The UBC mining method selection algorithm is a modification to the Nicholas approach with a various weighting factors system, which places more emphasis on stoping methods, thus better representing typical Canadian mining design practices (Miller . et al. 1995). Due to the performed study by Tatiya (1998) a mining method was selected

shope

Mining Big Data Using Parsimonious Factor, Machine

Mining Big Data Using Parsimonious Factor, Machine Learning, Variable Selection and Shrinkage Methods Hyun Hak Kim1 and Norman R. Swanson2 1Bank of Korea and 2Rutgers University February 2016 Abstract A number of recent studies in the economics literature have focused on the usefulness of factor

shope

Solved: NAME FIVE FACTORS AFFECTING THE CHOICE OF MINING

Question: NAME FIVE FACTORS AFFECTING THE CHOICE OF MINING METHOD IN COAL MINING??? This problem has been solved! See the answer. NAME FIVE FACTORS AFFECTING THE CHOICE OF MINING METHOD IN COAL MINING??? Expert Answer 100% (1 rating) Previous question Next question Get more help from Chegg.

shope

Methods for Equipments Selection in Surface Mining; review

mining equipments selection. This system is able to involve the expert knowledge in primary and secondary selection of equipment for surface coal mines [3]. In 1990, another expert system, in order to classify equipment, was planned in the open pit coal mine of Britain with the help of fuzzy logic.