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This document discusses coal mining methods. It begins with an introduction and overview of the history of coal mining. It then describes and compares various surface mining techniques like strip mining and horizon mining as well as underground mining methods like bord and pillar, longwall and shortwall.
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The document discusses underground mining methods. It classifies methods as unsupported, supported, or caving based on the extent of wall and roof supports used. Unsupported methods like room-and-pillar mining, stope-and-pillar mining, shrinkage stoping, and sublevel stoping rely on the rock mass to self-support without major artificial …
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The document defines mine dewatering as controlling surface water and groundwater to allow for dry mining conditions and discusses various techniques for open pit and underground mine dewatering including in-pit pumping, perimeter dewatering wells, pit slope depressurization drains, and allowing groundwater to enter …
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Mine Gases Another mine gas presentation from the PA Bureau of Mine Safety. Appropriate for all mine training programs. 30 slides: Gases in Underground Stone Mines Designed for underground stone and limestone mines, this presentation covers the different gases that may be encountered. 21 slides: Hydrogen Sulfide Awareness
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Ventilation 1) Background •The main objective of an underground mine ventilation system is clear: to provide air flows in sufficient quantity and quality to dilute contaminants to safe amounts/concentrations where personnel are required to travel and work. To Supply of oxygen men and machines; To Dilute toxic gas / explosive and dust ...
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Browse our new and improved Mine Safety Training Repository Section to find more than 1,800 categorically organized PowerPoint Presentations, and more than 2,000 Video and Adobe PDF files that you can use in your training programs. Those wishing to add games to their programs, visit here for more help.
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Design & Operation –Mine Design •All underground facilities (offices, rest areas, maintenance workshops, ore handling systems, development drives, etc.) should be situated in un-mineralised zones with fresh inlet air. ... PowerPoint Presentation Author: SCHLOSMAN, Anna
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The document provides information about training conducted at Tipong Colliery, an underground coal mine in Assam, India. It discusses the mine's location, history of operations since 1924 using various mining methods, geology of coal seams, current facilities, development plans, and manpower requirements.
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The document is a slide presentation by ABB Group that summarizes their offerings for underground mining. ABB Group has over 60 years of experience in the mining industry and offers customized solutions for complete mine hoists, leading edge control and drive systems, electric trucks, mine automation, and consultancy services.
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"Underground Electrical Safety" Powerpoint ® Presentation; Following the videotape, a set of Microsoft Powerpoint ® slides are to be used to reinforce the safety principles found on the videotape. The slides contain some basic questions and answers concerning the electrical hazards and safety principles discussed during the videotape.
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Opencast and Underground Mining - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Mining involves extracting minerals from the earth through surface or underground methods. Surface mining includes open-cast mining using large machinery to extract minerals near the …
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The document discusses underground mine design and planning. It outlines objectives related to understanding and describing the design and planning process. It describes the traditional manual process and how computerization can help by integrating additional elements like expert systems, simulations, and optimization techniques. This would form …
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CLICK ME TO DOWNLOAD PPT ON UNDERGROUND MINING METHOD . CLICK ME TO DOWNLOAD PPT ON UNIT OPERATIONS IN UNDERGROUND MINING. CLICK ME TO DOWNLOAD PPT ON Worlds Best Practices in Rescue. CLICK ME TO DOWNLOAD PPT ON S upport of ug excavations. CLICK ME TO DOWNLOAD PPT ON Scenario of …
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Under ground mining • Room and pillar mining is used in the coal mine • There are intersecting rooms with pillars of coal to hold the roof up • These pillars are mined when the mine, or a part of it, are closing in • They are careful when they do this because the roof caves in as they leave. Underground mining Longwall mining: Usually a …
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This document discusses underground excavation stability and rock reinforcement. It begins by explaining that rock mass behavior is simplified for analysis by treating it as continuous, homogeneous, isotropic and linearly elastic, rather than its actual discontinuous, non-homogeneous, anisotropic and nonlinearly elastic properties.
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Sublevel stoping..Underground mining methods 1. Hassan Z. Harraz hharraz2006@yahoo 2014- 2015 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point format so as to allow customization for the individual needs of course instructors.
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mining and the environment.pptx ... Environmental Problems of Surface and Underground Mining: a review. Rock Onwe. Economic mineral resources lying in the earth are necessary ingredients of all our modern conveniences. Its mining yields huge profits for the companies that own them, a source of revenue for the government, and provides …
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