mining method influence

mining method influence

Factors influencing mining method selection ...

Factors influencing mining method selection. 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

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factors influencing mining

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.

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Types of Underground Mining Method Comparison

Mar 16, 2017  Factors Affecting Choice of Method. In addition to the various external factors, such as the supply of labor and the financial status of the operating company, the principal items that influence the method of mining to be adopted are: The size and shape of the deposit: Character of the ore, whether high or low in grade.

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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.

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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 geographical factors are involved. The mining engineer must

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(PDF) Mining Methods - ResearchGate

Mining Geophysics, Introd uction. 2 February 2016. The choice of mining method depends on man y fact ors, including: 1) Shape of the orebody (i.e., t abular, cylindrical, spheric al). 2) Orienta ...

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(PDF) COAL MINING METHODS - ResearchGate

Feb 14, 2016  The mining method selected for exploitation is determined mainly by the characteristics of the coal deposit and the limits imposed by safety, technology, environmental concerns, and economics ...

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Social Influence Analysis: Models, Methods, and Evaluation ...

Feb 01, 2018  In recent years, the flow of influence methods has been studied by many researchers. Subbian et al. proposed a flow pattern mining approach with the condition of specific flow validity constraints. Kutzkov et al. proposed a streaming method called STRIP to compute the influence strength along each link of a social network. Teng et al ...

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Mining - Geography Form 1 Notes

Oct 12, 2020  Method of Mining. A mineral requiring open cast mining will be mined even if the mineral deposit is large but one requiring underground mining will be extracted if its

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Underground mining methods to influence industry's changes ...

Jun 18, 2013  Underground mining methods to influence industry’s changes June 18, 2013. By GEOVIA. The next five decades will see momentous changes in the mining industry, particularly when it comes to underground mining methods, according to a published report. Efforts to solve the various problems, which have required intensive research, have delved into ...

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Unit 3 Reading: Mining and Mining Impacts

Aug 29, 2021  In general, mining techniques are divided into two primary types: surface mining (including pit, 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.

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quantitative factors affecting the choice of a mining method

Mining method selection by integrated AHP and ... - SciELO. the mining method selection, such as geological and geotechnical properties, economic parameters and ... significantly affect the financial effects of the ... mining-geological factors, such as: ground condi- .... quantitative aspects of the decision.

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On the topography influence on subsidence due to ...

Sep 01, 2014  The classical influence function method is widely used in mining subsidence prediction, but its use is typically limited to predicting the subsidence associated with horizontal stratiform underground mining when the ground surface is flat.

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Selected Geologic Factors Affecting Mining of the ...

greater depth of mining. Roof instability and the occurrence of clay veins and sandstone channels are also possible. This report deals with selected geologic factors that affect the mining of the Pittsburgh coalbed. Selected factors examined include structure, 3Underlined numbers in

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CHAPTER 8: SUBSIDENCE PREDICTION METHODS

The Influence Function Method was first proposed by Bals in 1931. It was further developed by Knothe (1957), Liu and Liao (1965), Brauner (1973), and Marr (1975). This method is now widely used in the world, and can be applied to a wide range of mining geometries, but are more difficult to calibrate than profile function methods

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A novelty data mining approach for multi-influence factors ...

This multi-influence factors data mining model mainly includes four steps: Firstly, the BGC apportionment model was established based on energy apportionment model in reheating furnace; Secondly, the BGC data set could be achieved according to the division of billet sample space (BSS); Thirdly, the data interpolation calculation method of ...

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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 geographical factors are involved. The mining engineer must

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Research on the Permeability Characteristics of Granite ...

The influence of mining method tunnel construction on the groundwater environment is a very important and complex engineering environment problem, and the strong differential weathering of water-rich granite strata increases the difficulty of this problem. In this paper, the mineral composition and microstructure characteristics of granite with different weathering degrees before and after the ...

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Design Method for Specific Charge in Deep Mining ...

Aug 20, 2021  Fushun Hongtoushan Copper Mine of the China Nonferrous Metal Mining (Group) Co. Ltd. was selected to test the blast design method considering the influence of stress field. The ore vein extends for more than 2000 m below the ground surface and the mine is one of the deepest metal mines in China with an annual output of 600,000 t .

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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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Room and Pillar Mining - an overview ScienceDirect Topics

The major partial mining method are strip pillar mining, Wongawilli strip pillar mining, room and pillar mining, and thickness-limited extraction. 1. Strip pillar mining. Strip mining technology is an effective measure to reduce the overburden strata and surface movement and deformation, and it is also one of the important measures in the system of “Green Mining.”

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(PDF) Effective factors investigation in choice between ...

SURFACE MINING METHODS A surface mine is an open-air excavation for removing minerals. Surface mining can be employed to extract metallic or nonmetallic mineral from any near-surface deposit in any rock type. Near-surface generally implies deposit less than 500 ft. the size of the deposit may range from a few tons to more than 100 million tons.

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

Definition of Longwall Mining • A high extraction method of mining along the face of a predefined block of coal, referred to as a panel, while allowing the immediate roof to collapse upon advancement • Panel Configuration – Panels generally range in size from 500 to 1,000 feet in width and lengths exceeding two miles

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Influence of mining excavation on energy redistribution ...

influence on the occurrence of rockburst: mining method, roof control method, pattern of deposit cut, concentration of mining operations, spatial limits of mining operations. For mining areas, numerical modeling is often used to identify zones of high stress concentration.

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A novelty data mining approach for multi-influence factors ...

This multi-influence factors data mining model mainly includes four steps: Firstly, the BGC apportionment model was established based on energy apportionment model in reheating furnace; Secondly, the BGC data set could be achieved according to the division of billet sample space (BSS); Thirdly, the data interpolation calculation method of ...

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The Environmental Impact of Mining (Different Mining ...

May 27, 2020  Different methods of mining have a variety of environmental impacts, ranging from minor to major. Open-Pit Mining. Open-pit mining, one of the most common forms, is one of the most damaging. Miners hollow out a section of land, digging down to create a workable area and extract valuable raw materials.

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CHAPTER 8: SUBSIDENCE PREDICTION METHODS

The Influence Function Method was first proposed by Bals in 1931. It was further developed by Knothe (1957), Liu and Liao (1965), Brauner (1973), and Marr (1975). This method is now widely used in the world, and can be applied to a wide range of mining geometries, but are more difficult to calibrate than profile function methods. DEQ 20-002

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4 Factors Influence the Effect of Heap Leaching Method

Oct 31, 2019  Below, we will briefly describe the influencing factors of heap leaching method from the ore, leaching solution,spraying and heap leaching four aspects: 1. Influence of the Ore. There are often other kinds of mineral components in the gold ore, such as iron ore, lead ore, antimony ore and so on.Among them, the metal group will have a certain ...

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Design Method for Specific Charge in Deep Mining ...

Aug 20, 2021  Fushun Hongtoushan Copper Mine of the China Nonferrous Metal Mining (Group) Co. Ltd. was selected to test the blast design method considering the influence of stress field. The ore vein extends for more than 2000 m below the ground surface and the mine is one of the deepest metal mines in China with an annual output of 600,000 t .

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CHAPTER 11 Mining Technology

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

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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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GEOTECHNICAL CONSIDERATIONS IN OPEN PIT MINES

"sound practice +" in the field of geotechnical engineering as applied to open pit mining. The use of "sound practice" means that practices and methods will evolve and improve continually. Mine management will recognise that a well managed ground control* plan is a necessary component of any successful mining project.

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A Brief Introduction to the Types of Surface Mining Methods

These surface mining methods are considered to be more efficient and economical in extracting minerals as compared to most methods of underground mining. In fact, it can extract almost 90% of ore from a deposit. For this reason, surface mining is the most widely used method in North America.

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Simulation Research for the Influence of Mining Sequence ...

Mar 30, 2021  Highwall mining, which is referred to the technique of extracting coal from the bottom of an exposed highwall, features safety, efficiency, and economy. According to existing highwall mining methods, the mining sequence has a great influence on highwall stability. Based on a highwall mining project in Australia, this study adopted the FLAC 3D numerical simulation method to

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Mining - SlideShare

Apr 06, 2013  Underground miningUnderground mining refers to a group oftechniques used for the extraction of valuableminerals or other geological materials from theearth. 17. 1.Drift mining is a method of accessing valuablegeological material, such as coal, by cutting into theside of the earth, rather than tunneling straightdownwards. 18.

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Environmental Risks of Mining

Mining is an inherently invasive process that can cause damage to a landscape in an area much larger than the mining site itself. The effects of this damage can continue years after a mine has shut down, including the addition to greenhouse gasses, death of flora and fauna, and erosion of land and habitat.

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Data Mining VS Data Extraction: What's the Difference ...

Jan 20, 2021  Data mining is based on mathematical methods to reveal patterns or trends. Data extraction is based on programming languages or data extraction tools to crawl the data sources. The purpose of data mining is to find facts that are previously unknown or ignored, while data extraction deals with existing information.

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