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selection of surface mining method

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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.

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OCTOBER TOPIC 11 MINING METHOD SELECTION

an important driver in mining method selection. Temporary and permanent openings must be developed either in the host rock, in order to access the ore, or with the host rock as roof (back or hanging wall) or floor (footwall) for the ore openings (entries or crosscuts). To execute an appropriate design, the material properties must be understood.

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Surface mining methods and selection of HEMM - YouTube

Prof. H. K. Naik (MINING), NIT Rourkela

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[PDF] Methods for Equipments Selection in Surface Mining ...

Methods for Equipments Selection in Surface Mining ; review. One of the principal costs in mine is related to purchase and application of equipment. Proper fleet selection, in a way that it secures the production needs of a mine as well as minimizes costs of production, is one of the real challenges of mine planners.

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Equipment Selection for Surface Mining: A Review

There are several methods of surface mining, including open-pit, stripping, dredging and mountain-top removal. This paper focuses on open-pit surface mining, which involves removing ore from a large hole in the ground (sometimes referred to as a borrow-pit). 1 Burt and Caccetta: Equipment Selection 2 Period 2 Period 3 dumpsitebenches are formed

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Lesson 7.2: Mechanical Surface Mining Methods ...

Surface mining methods can be categorized into two broad groups based on the method of extraction: Mechanical Extraction Methods Aqueous Extraction Methods Mechanical extraction methods employ mechanical processes in a relatively dry environment to mine minerals from the Earth's crust.

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Mining methods and method selection | SpringerLink

A schematic layout of an underground mine is shown in Figure 12.1. Three types of excavations employed in the process are recognised in the figure. These are the ore sources, or stopes, the stope access and service openings, or stope development, and the permanent access and service openings. Irrespective of the method used to mine an orebody ...

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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 …

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12. Mining methods and method selection

12.5 Mining method selection-The mining principles and methods have evolved to meet the geomechanical and operational problems of various cases.-Final choice of mining method will reflect both the engineering properties of the orebody and its setting, and the engineering attributes of the various methods such as mining scale, production rate ...

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Methods for Equipments Selection in Surface Mining; review

After selecting types of equipments for the mine fleet, selection of their size is carried out. As such, first, regarding to hole diameter, loading height are determined and then drill equipment and loader are determined with due attention to their attributes.

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Chapter 7: Surface Mining

• select a mining method that is the most economic given the physical characteristics of the orebody and rate at which the ore is to be mined • decide if the project is either economically viable or could be viable under a given set of conditions. Selection of the most economically viable mining method requires an evaluation of the capital and

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Selection of overburden surface mining method in West ...

The AHP, developed by, Saaty (1980) is used in this research for the selection of the optimal mining method. The process is broken into five levels: (1) goals, (2) stra- tegic issues, (3) criteria, (4) rating scale, and (5) alterna- tives (Fig. 3). All five levels are defined and arranged into pairwise comparison matrices.

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Selection of overburden surface mining method in West ...

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 %.

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Equipment Selection for Surface Mining: A Review

A surface mine contains pits with mineral endowed rock (or ore). We extract ore that lies within the upper layer of the earth, from surface mines (Fricke, 2006) . This ore can include metals such as iron, copper, coal and gold. There are several methods of surface mining, including open-pit, stripping, dredging and mountain-top removal.

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(PDF) Mining Methods: Part I-Surface mining

Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and …

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Surface Mining Methods and Equipment - EOLSS

The first step in selecting the most appropriate mining method is to compare the economic efficiency of extraction of the deposit by surface and underground mining methods . This section reviews surface mining methods and practices. 1.1. Classification of Surface Mining Methods

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Selection of mining method - QueensMineDesignWiki

The selection of the mining method may also need to occur prior to the completion of desired geotechnical or ore value determinations. The Mining professional will need to continually debate if the information picture is complete enough for the design. In some cases the picture will only be more complete when mining has commenced.

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Mining method selection and transition depth determination ...

Mining method selection ;transition depth open-pit underground combined mining. 1. Introduction . Naturally, ore bodies come in every imaginable geometric shape. While surface hard rock mines apply the open-pit method to almost any ore configuration, a large number of underground mining methods have been developed primarily in response to the

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Surface Mining Methods and Equipment - EOLSS

appropriate mining method is selected based on technical, economic, and environmentally accountable considerations. The first step in selecting the most appropriate mining method is to compare the economic efficiency of extraction of the deposit by surface and underground mining methods . This section reviews surface mining methods and ...

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Selection of overburden surface mining method in West ...

Selection of overburden surface mining method 307 123. material and it specifically addresses mining equipment such as electric and hydraulic shovels, and front-end wheel loaders. Module IV focuses on the SM, while Module V is developed to conduct comparative analyses among all

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