pdf factors of equipment selection a mine

WMS 340 Yavuz Equipment selection by using Fuzzy TOPSIS ...

the alternatives. Equipment selection is an important task for mine management due to its operational cost, and also an integral part of mine planning and design. Equipment selection is not a well-defined process because it involves the interaction of several subjective factors or criteria. Besides, decisions

A Review of Operations Research in Mine Planning

A Review of Operations Research in Mine Planning Interfaces 40(3), pp. 222–245, ©2010 INFORMS 225 We now mention the progress from the traditional technique to advanced techniques that attempt to solve the entire mine scheduling problem as a mixed-integer program. Although the latter approach is newer and less tractable, there is promise ...

Equipment Selection for Surface Mining: A Review

di erent equipment types have attributes that can interact in a complex way with respect to productivity. In surface mining applications, the ESP addresses the selection of equipment to extract and haul mined material, including both waste and ore, over the lifetime of the mining pit.

v116n3a9 Improvement in the overall efficiency of mining ...

mining equipment: a case study by H. Fourie* 54'121 In mechanized mining, poor equipment efficiency (availability, utilization, productivity, and quality) can endanger the success of the operation. This case study will show how an initiative to improve equipment performance developed into a comprehensive turnaround plan for the mine that placed

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

Models for Mining Equipment Selection - mssanz.org.au

is most effectively used in mining equipment selection to analyse the earth-moving system, some equipment selection solutions exist that use simulation models. Kannan et al. (2000) recognise that despite the complementary role of academic research and industry applied simulation models, a gap exists between the two: academia follow

An Introduction to Material Handling Equipment Selection

An Introduction to Material Handling Equipment Selection 1 Produced by the College-Industry Council on Material Handling Education (CICMHE) March 9, 1998 ... The major factors driving the design of a shelving and drawer storage system include the types of ... EQUPGUID.PDF ...

Optimization of the fleet per shovel productivity in ...

key factor to reduce the cost of mineral production. This paper presents a complete methodology that can be used to determine the number of trucks required per shovel ... In surface mining, equipment selection problem involves choosing a fleet of trucks and loaders that

Underground Mining Transportation Systems

Other important factors affecting the selection of the materials and equipment transport system are the ore/coal haulage and personnel transport systems, since the decisions are very difficult and not always possible in isolation from the other two. Important factors that affect the selection of the materials and equipment transport system

Equipment selection - QueensMineDesignWiki

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.

OPEN CAST MINE PLANNING - Mining and Blasting

faults), township, railway line, operational factors like optimum strike length for transportation. 2) Selection of mining equipment (type & size): depends on targeted output, life of the mine, dip, strike lengths, thickness of seam, SR, geological disturbances, topography, 3) Methods of opening a. Access trench b. Box cut 4) Sump development

Effective factors investigation in choice between surface ...

EFFECTIVE FACTORS IN SELECTING SURFACE OR UNDERGROUND Before beginning a detailed economic analysis of the factors which enter into deciding whether to mine by open-pit or underground mining, and what point a change should be made from open-pit to underground mining, it is necessary to consider some general factors …

UNDERGROUND COAL MINING: FACTORS, COST, AND TIME ...

Primary Mining Equipment - Single Section • Continuous Miner - one unit • Face Haulage - two / three units – shuttle car – coal hauler ... Other Factors in the Selection of an Underground Mining Method • Regulations • Need for mobility and flexibility • Capital Commitment.

ESTABLISHING TOTAL AIRFLOW REQUIREMENTS FOR …

ESTABLISHING TOTAL AIRFLOW REQUIREMENTS FOR UNDERGR OUND METAL/NON- ... The determination of airflow quantity is both a difficult and essential step in the mine design process. There are many factors that influence the selection of mining equipment (e.g. host rock strength, mining method, production rates, location, etc.) and wide variations in ...

mining methods impact backgrou - …

strip, and mountain top removal) and underground mining (shaft). A single mine may employ both methods. Prior to 1900, underground mining was the most common method in the United States. Surface mining is now more common, thanks to the development of equipment that can easily move …

Block size selection and its impact on open-pit design and ...

and mining dilution of a block model in the operation and selection of equipment at an open pit mine. An exploratory analysis and geostatistical modelling of the grades assayed on a set of drill hole samples is performed, which allows constructing a grade model on a dense grid by means of a conditional …

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 …

Factors Affecting Performance of Excavating Equipment: An ...

factors found that affecting on performance of excavator, 4.1 Proper Equipment Selection . Equipment is a critical factor in construction project. Rational selection of suitable equipment leads to profit for contractors. At the same time, miscalculation proper size and number of required equipment for the …

UNDERGROUND COAL MINING: FACTORS, COST, AND …

UNDERGROUND COAL MINING: FACTORS, COST, AND TIME CONSIDERATIONS Presented by: ... Primary Mining Equipment - Single Section • Continuous Miner - one unit • Face Haulage - two / three units ... Other Factors in the Selection of an Underground Mining Method • Regulations

Loading and Hauling - Metallurgist & Mineral Processing ...

Factor 5 Selection of Haulinggqp ( ) Equipment (cont.) zUse Hauler or Rockers Where: • The material hauled is large rock, ore shale, etc., or a combination of free-flowing and bulky material • Dumping into restricted hoppers or over edges of waste bank or fill.

Equipment Selection for Surface Mining: A Review

eet selection problem is of striking importance in surface mining, where the cost of oper-ating the equipment over long-term schedules is anecdotally between 40-60% of the overall cost of materials handling (Alarie and Gamache 2002): robust equipment selection solutions is a driving

Equipment selection for high selective T excavation ...

equipment selected. Moreover, equipment selection directly affects the pit design and production planning. In open pit mining, equipment selection is made according to many factors related to the ore and mining conditions. These factors can be qualitative and quantitative in nature. The main purpose of equipment selection is to choose the

OPTIMIZATION OF LOAD HAUL DUMP MINING SYSTEM BY …

The most important factor in every operation is profitability. Overall Equipment Effectiveness (OEE) of equipment used is an important factor of profitability. Further profitability can be increased by optimization of the equipment combination by matching factor used (Ercelebi and Basceti, 2009).

Investigation of Excavator Performance Factors in an Open ...

production capacity for an open-pit mine, caused by a large number of factors. For simplicity, researchers fix some factors and focus on few factors to make logical results. Understanding the factors causing performance variations can lead to improved production capacity in the rather …

THE IMPORTANCE OF DILUTION FACTOR FOR OPEN PIT …

THE IMPORTANCE OF DILUTION FACTOR FOR OPEN PIT MINING PROJECTS* Anoush Ebrahimi, P. Eng., Ph.D. ... For instance, shape of the deposit, bench height, equipment size, and market conditions will have an impact on the level of dilution in a mine. It is paramount for mining projects to ... resource models, and mining factors such as tonnages ...

Process Equipment Cost Estimating by Ratio and Proportion

An analysis of the cost of individual pieces of equipment shows that the size factor's exponent will vary from 0.3 to unity, but the average is very near to 0.6, thus the name for the rule of thumb. If a ... Process Equipment Cost Estimating by Ratio and Proportion

Mine Planning and Equipment Selection - Proceedings of the ...

This edited volume includes all papers presented at the 22nd International Conference on Mine Planning and Equipment Selection (MPES), Dresden, Germany, 2013. Mineral Resources are needed for almost all processes of modern life, whilst the mining industry is facing strict requirements regarding …