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Keywords: mining equipment selection, open pit, multi criteria decision making (MCDM), analytical hierarchy process (AHP), TOPSIS, Fuzzy set theory Wybór sprzętu górniczego w inżynierii jest ...
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One of the challenging problems for surface mining operation optimization is choosing the optimal truck and loader fleet. We refer to this problem as the equipment selection problem ESP. In this paper, we describe the ESP in the context of surface mining and discuss related problems and applications. Within the scope of both the ESP …
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The aim was to use the factors and mining methods as inputs to the developed MMSM. In the result section, case studies were used to analyse the MCDMs following a descriptive ... selection of mining method in the coal mining industry. From the research findings, it was generally concluded that OCRA, ARAS, CP, SAW, and COPRAS are simplified ...
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PDF | On Jan 1, 2017, Samwel Victor Manyele published Investigation of Excavator Performance Factors in an Open-Pit Mine Using Loading Cycle Time | Find, read and cite all the research you need on ...
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1. Introduction. The production process in a mine is divided into four parts of drilling, blasting, loading and hauling. The later two aspects i.e. loading and hauling allocate more than half of the total mining cost. The cost related to purchasing loading equipment is more than the vehicles needed for other sections.
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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
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1. Economic factors: Economic considerations such as the cost of owning the equipment and operation and fuel costs are some of the most important factors that play a deciding role in selecting the equipment. Besides, consideration over resale value is …
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In the surface mining industry, the Equipment Selection Problem involves choosing an appropriate fleet of trucks and loaders such that the long-term mine plan can be satisfied. An important characteristic for multi-location (multi-location and multi-dumpsite) mines is that the underlying problem is a multi-commodity flow problem. The problem is therefore …
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The selection of a suitable mining method for an ore deposit requires the consideration of numerous criteria, such as mining-geological factors, economic factors and to include biophysical factors ...
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Since equipment selection in an open-pit mine influences all stages of mining [10], the indiscriminate selection of larger equipment may not always be advantageous, especially in haulage equipment ...
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Sustainable development and sustainable mining is the key factor of future mine designs. In this paper, two mine designs based on profit maximization, life maximization of Sungun copper mine is investigated. A method based on the concepts of Folchi method is used to quantify the level of sustainability of each mine designs.
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Events that may lead to the nonutilisation of the machine include dozer works, delays in marking up and operator convenience time. Other factors that may affect the utilisation of the rigs include competency of mine personnel, efficiency of mine plan and support equipment commitment [14]. Utilisation is expressed in Eq.
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Burt et al. (2005) indicated the classiication of equipment selection techniques into three categories: classical methods, operations research techniques and artiicial intelligence techniques. Some of the classical methods utilized for equipment selection are the match factor, the bunching theory, the productivity curves and the queuing theory.
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terial Handling Equipment15.1 IntroductionMaterial handling equipment selection is an important function in the design of a material handling system, and. hus a crucial step for facilities planning. Using proper material handling equipment can enhance the production process, provide effective utilization of manpower, increase.
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1. Introduction. Mineral processing equipment selection is the task of examining various machinery alternatives being considered and choosing the most suitable equipment that involves multiple criteria such as technical, environmental, and socio-economic aspects (Sitorus et al., 2019b).The selection of suitable equipment in mineral …
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One of the challenging problems for surface mining operation optimization is choosing the optimal truck and loader fleet. We refer to this problem as the equipment selection problem (ESP). In this paper, we describe the ESP in the context of surface mining and discuss related problems and applications. Within the scope of both the ESP …
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The selection of equipment for mining applications is not a well-defined process and because it involves the interaction of several subjective factors or criteria, decisions are often complicated ...
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The estimation of operational costs is based on the data from the open pit, the characteristics of the analyzed mining method and on recommendations from the Mine and equipment estimators guide ...
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Steps for the selection of the mining method are as follows: (1) We should carefully collect and study the basic information related to selecting the mining methods. Basic information includes geological and hydrogeological information, data of rock mechanics, ecological and environmental conditions in the mining area, data related to …
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The match factor is defined as the ratio of truck arrival rate to loader service time. For the mining industry, this ratio is an important performance indicator with a dual purpose: during the equipment selection phase, it can be used to determine an appropriate fleet size such that the truck fleet productivity matches that of the loader …
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The equipment selection process is considered in the early stage of the design process since the equipment selection process decides the quality, cost, and reliability, which are important for customer satisfaction. Due to the availability of large numbers of equipment, the selection of suitable equipment for certain …
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Nunnally et al. (1977) stated that equipment selection is a critical factor in the execution of many construction. projects. This is to be much more critical in hea vy construction projects where ...
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Abstract. Purpose This paper aims to address the supplier selection (SS) problem under dynamic business environments to optimize the procurement cost of spare-parts in the context of a mining ...
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The mining factors -extraction, mining height, overbreak dilution, and mining losses - are under the control of the mining engineer, subject to constraints imposed by the mining method. As such, these factors are not selection criteria per se and are used in MSAHP mainly to test the robustness of the mining method ranking order in the face of ...
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OEE (Overall Equipment Effectiveness) is a key performance indicator (KPI) widely used in performance analysis in the mining industry. The present study develops the ODE indicator (Overall ...
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Burt et al. (2005) indicated the classiication of equipment selection techniques into three categories: classical methods, operations research techniques and artiicial intelligence techniques. Some of the classical …
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suitable equipment is the most important factor. The wrong equipment selection causes low production efficiency and increases the unit cost. So, selecting proper equipment for surface mining must be carefully analysed and the optimum equipment configuration must be determined. There are several techniques for surface mining equipment selection1 ...
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In the field of mining engineering, many scholars have introduced successful MCDM applications such as equipment selection for open pit mines [9,10], drilling technology investment analysis ...
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The mining method selection Methodology for underground mining method selection 213 has a direct impact on the economic operation of the mine, i.e., on its income or losses. The mining method selection …
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Equipment selection is one of the most important aspects of open pit design. Mining costs are mainly affected by the number and capacity of equipment. Equipment selection for open-pit mines is definitely a …
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The work identifies equipment size sensitive variables (ESSVs) in the mine design process that affect the performance of the production process. Data from a set of case studies show that the ESSV influence extends beyond mine production to encompass milling performance, environmental footprint and community impacts.
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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