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mining articles underground mining

Moving towards deep underground mineral resources

2023.1.1 A primary constraint of underground mining is to maximise ore extraction and recovery while minimising waste extraction. Underground mining is practical when the rock mass is suitable to be excavated profitably and has a lower ground footprint than

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Impact of ground surface subsidence caused by underground coal mining ...

2023.11.7 Underground mining of minerals is accompanied by a change in the rock mass geomechanical situation. This leads to the redistribution of stresses in it and the

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Concurrent mining and reclamation for underground coal mining ...

2018.3.27 Large scale underground mining of coal resources in China using longwall mining has resulted in ecological and environment problems, including surface

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Optimal layout of underground coal mining with ground

2022.6.1 Underground coal mining: Coal pillar, strip mining, filling mining, etc. Skip mining, filling mining, optimize mining layout. Protective mining, safe mining. Source

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Intelligent Mining Technology for an Underground Metal Mine

2018.6.1 1. Introduction With the world’s rapid economic development, the demand for mineral resources is increasing. It has been forecast that the depth of more than 33%

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Determination of the Ultimate Underground

2021.3.6 Continuous mining of metal deposits leads the overlying strata to move, deform, and collapse, which is particularly obvious when open-pit mining and underground mining are adjacent. Once the mining

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Mining Special Issue : Recent Advances in

case-studies in underground mine planning and optimization. This Special Issue aims to collect and present high-quality and new research that address recent advances in underground mine planning and

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Trends in underground mining for gold and base

2021.7.13 In this article underground mining refers to underground hard-rock mining; thus, underground soft-rock mining, such as coal, is excluded. Underground mines also tend to be more targeted, more

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Globally optimising open-pit and underground mining

A mining complex is a value chain with multiple components: deposits, stockpiles, processing destinations and transportation systems. ... including open-pit and

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A Review of Models and Algorithms for Surface

2021.5.11 for the open pit and underground mining operations [2,4,8,9,11–15,17–19,24,25,28,29]. Sim-ilarly, other authors have developed stochastic

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Mining Special Issue : Recent Advances in

Underground mining methods are characterized by complex decision combinations, conflicting goals, and interactions between production constraints. Planning considerations even gets more complicated when

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Impact of coal mining on stream biodiversity in the US and its ... - Nature

2018.4.18 In the one study that examined underground mining impacts, richness and abundance of mined sites were 27% and 41% lower than unmined sites, respectively. These values were comparable to MTM-VF ...

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Trends in underground mining for gold and base

2021.7.13 Underground hard-rock mining accounts for 40 percent of global mining operations but only 12 percent of run-of-mine (ROM) production. 1 Run of mine is ore that is mined and crushed. In this article

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Coal mining trends, approaches, and safety hazards: a brief

2018.10.26 Generally, there are two modes of mining, i.e., (1) surface or open pit mining and (2) underground mining (Nersesian 2016). According to Junker et al. , about 40% coal is mined using open mining mode and 60% using underground mode. A restraining method, i.e., stripping ratio, and cost effectiveness of extraction by removing non-ore

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Sustainable Development of Underground Coal Resources in

2023.3.16 The underground mining areas for Panels 1–5 are about 28.6 ha, 27.2 ha, 26.4 ha, 29.7 ha, and 16.0 ha, respectively. The underground mining area is about 38% of the case study area (333.4 ha). The probability integration approach is used to project surface subsidence after the mining of each panel with consideration of the original terrain.

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Underground mining (Journal Article) OSTI.GOV

1990.5.1 This law review article was originally written in 1990 and submitted at the annual National Coal Lawyers Conference. Its title then was the [open quotes]Legal Implications of Longwall Mining.[close quotes] The article was written against the backdrop of several excellent articles relating to longwall mining, the constitutional issues

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Risk Assessment Methods in Mining Industry—A Systematic

2020.7.28 Recently, there has been a growing interest in the mining industry in issues related to risk assessment and management, which is confirmed by a significant number of publications and reports devoted to these problems. However, theoretical and application studies have indicated that risk in mining should be analyzed not only in the human factor

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Explosives company puts stamp on underground mining

2021.7.29 Years of innovation and experience in the underground space have now positioned explosives manufacturer and supplier BME – part of the JSE-listed Omnia Group – as an important player in mines ...

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‘We are surviving well’: Adaptive strategies applied by women

Twenty-one women in an underground gold mine in the North-West Province in South Africa were purposively selected and participated in semi-structured interviews (n = 18) and an informal group ...

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(PDF) Preliminary support design for underground mine

2021.9.16 Abstract. In this paper, preliminary support design of the main underground opening (i.e., mine adit) located at the Artana lead-zinc mine, Kosovo, was examined by employing both conventional and ...

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Green and Sustainable Mining: Underground Coal

2017.8.11 It can improve the stability of rock strata and the safety and efficiency of underground mining. We also studied and designed a perfect stowing material by using coal gangue and fly ash with appropriate

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Understanding technology in mining and its effect on the

2021.8.5 This paper takes its starting point in the fact that many mines have managed to improve its work environment, with regards to, for example, accident occurrence, while at the same time having stopped seeing improvements in these areas even in the wake of technology interventions. Technology projects in the mining industry continue to make

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New approach for localization and smart data transmission

2021.5.1 In underground mining industry advance communication networking can be achieved by integrating new technologies. Better communication ensures safe working environment and increases productivity. In this section, two potential technologies that can be incorporated in underground mine are discussed. 2.1 Wireless connectivity using

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Optimization of open pit to underground transition depth:

2020.12.20 Therefore, open-pit to underground mining has been adopted in several mines once a sufficient depth is achieved with open-pit mining [2]. This new mining model in an open-pit slope induces movement and failure of the rock mass and ground surface, and could lead to crushing and burying in ground infrastructure, thus presenting a grave

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Mining is bad for health: a voyage of discovery

2019.7.9 Mining continues to be a dangerous activity, whether large-scale industrial mining or small-scale artisanal mining. Not only are there accidents, but exposure to dust and toxins, along with stress from the working environment or managerial pressures, give rise to a range of diseases that affect miners. I look at mining and health from various

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Concurrent mining and reclamation for underground coal mining ...

2018.3.27 Large scale underground mining of coal resources in China using longwall mining has resulted in ecological and environment problems, including surface subsidence that is considered serious due to competing interests of prime agricultural lands, food security, and regional economic development. The subsided lands must be rehabilitated

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Strategic mining options optimization: Open pit mining, underground ...

2016.11.1 Current strategic open pit and underground mining interface optimization models have been developed mainly based on determining the transition point or depth between open pit mining and underground mining. The models focus on investigating how an underground operation can be mined after an open pit mine or combined with an

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Effective Factors Investigation in Choice between Surface and ...

2007.6.11 9-Hedberg, B: Large-scale underground mining, An alternative to open cast mining, Mining Magazine (148- 9), London, 1981, pp. 177-183. 10- Nilsson, D : Open-pit or Underground Mining, SME ...

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A new practical approach to risk management for underground mining ...

2013.11.1 1. Introduction. The mining sector has been experiencing a period of strong growth over the past few years. Mining companies and subcontractors (construction, consulting engineers, equipment suppliers, etc.) are all benefiting from renewed exploration, development and start-ups (Schmouker, 2011).Governments of countries in which these

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Underground mining Britannica

Other articles where underground mining is discussed: mining: Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered. Counting against underground mining are

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