Underground Mining Ppt
(PPT) UNDERGROUND MINING | Iqbal DACHI
The result showed that the mining process are: 1. Determining the location of mining well; in this determination there are two references; rational and intuition 2. Mining; at this stage, a deep well is drawn about 50-100 …
depllaring in coal mines | PPT
6. 2-Depillaring with Caving- In this method,the coal of pillars is extracted and the roof is allowed to break and collapse into the voids or the de coaled area, known as goaf. As the roof strata about the coal seam break, the ground surface develops cracks and subsides, the extent of damage depending upon depth, thickness of the seam extracted, …
Caving Underground Mining Methods (longwall, Sublevel
4. Longwall (LW) The Longwall is a very old method, originated in coal mines in Europe in the 7th century. The most important application of Longwall relates to coal mining. Much of the production of coal from countries like USA, Australia and China are obtained by Longwall. Conditions of applicability of the method: Stratiform tabular …
Underground iron ore mining
Case study Highly mechanized underground iron ore mine 32 Method of mining. Initially by Open cast subsequently switched over to Underground ; Method Sub level Caving ; Drifts X Section 7m x 5m at 25 m vertical …
Mining
Pre-Sago, this presentation follows the evolution of the Mine Safety and Health Administration. Covers requirements for hoists and shafts. For mining programs, this presentation from Rogers Group, Inc. covers …
PPT
Processes and Considerations Surface mining Underground mining Scoop ore off surface of earth or dig big holes and scoop: Disturbs large area (large amount environmental destruction). Produces large amounts of waste rocks (spoil). Relatively safe for miners (Safer working conditions and a better safety record than underground …
Ventilation of underground mine | PPT
2. 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 …
Unit operations in underground mining | PPT
The document discusses key concepts related to production cycle unit operations in underground mining. It defines a unit operation as a specific process like drilling, blasting, supporting, loading and hauling. The production cycle is described as the whole process from drilling and blasting to roof support, loading and hauling.
Underground Mining PowerPoint Presentation and Slides PPT …
Introducing our premium set of slides with name Deep Underground Coal Mining Technique Ppt Template. Ellicudate the three stages and present information using this PPT slide. This is a completely adaptable PowerPoint template design that can be used to interpret topics like Bord Pillar Method, Longwall Method, Short Wall Methods. ...
14 Best Underground Mining-Themed Templates
PPT theme with underground tunnelig mining . Slides featuring coal grunge background . Slide set having strong aggressive coal miner with a hammer over dark grunge background mining industry art concept . Slide set consisting of muscular dirty coal miner with a pickaxe over dark grunge background mining industry art concept ...
SURFACE VS UNDERGROUND MINING SPECIALLY FOR …
• Non-underground mining method is called surface mining method. Choice of mining methods • The size and shape of ore body • Depth and type of over burden • Location, strike and dip of deposit • The strength and physical character of the mineral • Water and Drainage – absence/presence of water. • In case of metallic mineral the ...
Underground Mining PowerPoint PPT Presentations
Underground Mining Equipment Market to Record CAGR of ~2.4% Increase in Revenue by 2029 - Future Market Insights (FMI), in its new study, evaluates the ongoing …
Underground metal mining methods | PPT
Underground metal mining methods - Download as a PDF or view online for free ... Artificially supported stopes Shrinkage stopingFigs of UG metal mining methodsFig 7.ppt VCR method of stopingFigs of …
Mining hazards | PPT
1. Hazards Associated with Mining Introduction • Most of the hazards associated with mining are well known and are associated with the following: • the strength or weakness of the rock being dug, • the nature of the rock on which structures are built or material placed, • the influence of water at the surface or underground, • or a …
Guidlines for selecting mining methods for underground mining
6. GUIDELINES FOR SELECTING A MINING METHOD Span Limits : In any mining system, the rock strength determines the limits for the sizes of the spans that can be excavated, either without support or with a particular method of support. If the span is too large, working conditions become unsafe, and caving may occur. To counteract …
Mining
Digital Mining Photograph Archive The MSHA Digital Library photograph collection includes over 1,000 historical mining photographs from the original Bureau of Mines collection. These photographs cover a wide range of topics connected to mining, including underground, community, mine rescue, and historical scenes.
Underground mine | PPT
Mining Engineering December 2001 p.28 - Mining at Deep Post - Newmont 's newest underground mine pp.25-29. Access to the Deep Post underground mine is currently through a new peranent portal at the 4480 level. The Deep Post deposit is mined by underhand cut-and-fill and long-hole stoping methods.
Challenges in Underground Mining.pptx ppt | PPT
2. The process of mining can be quite challenging, given the number of factors that play a significant role in impacting the process. Maintaining proper air quality in underground mines happens to be a great challenge, which usually impacts the health and safety of the workforce involved in efficient mining operations.
(PPT) mining and the environment.pptx
2020. Every coin has its two aspects similarly mining and its processing industries also have two aspects, the positive aspect of mining industries is that it play a significant or important role for GDP of the country in mineral rich countries and generation of employments but due to negligence and human greed's mining and its allied activities …
mats underground mining training report | PPT
rajnagar mine was started on march 1976 and at the time of survey its age is estimated 35 year . but the production from the 5 & 6 mine is still in progress. rajnagar 5/6 mine is 9km from bijuri railway station. rajnagar 5/6 mine is in shallow depth . so the incline opening method is adopted.
Underground Mining PowerPoint Presentation …
This PPT presentation can be accessed with Google Slides and is available in both standard screen and widescreen aspect ratios. It is also a useful set to elucidate topics like Types Underground Mining. This well-structured …
Underground Mining
Mining R&D Action Plan - Objectives. Part 1 Bibliographic research ... Soci t mini re Raglan. Research Centers, Consultants and others mining organizations ... – A free PowerPoint PPT presentation (displayed as an …
CONTINUOUS MINERS | PPT
• Download as PPT, PDF ... This document describes the components and operation of a continuous miner machine used for underground coal mining. It discusses the main parts of the continuous miner including the cutter head, gathering arms, conveyor system, traction system, dust collector, and electrical and hydraulic systems. ...
Mine Gases
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
underground mining | PPT
11. CoE Underground Mining References: LKAB Kiruna, Sweden Overview of project and ABB's delivery Rebuild of 4 mine hoists from DC-technology to AC-technology plus 1 optional new hoist with same AC-technology, all at sub-vertical level (underground 740 – level) Energy efficiency impact Motor and drive operating at power …
Underground mining system | PPT
16. Stope-and-pillar mining (a stope is a production opening in a metal mine) is a similar method used in non-coal mines where thicker, more irregular ore bodies occur; the pillars are spaced randomly and located in low-grade ore so that the high-grade ore can be extracted. These two methods account for almost all of the underground mining in …
Underground Mining
Transcript and Presenter's Notes. Title: Underground Mining. 1. Underground Mining RD Action Plan. Louise Laverdure and Jean Marie Fecteau Presented. to OMIC, November 12, 2004. 2. Plan of the …
IOT Smart Helmet for Underground Mines using ESP32 | PPT …
11. DEPARTMENT OF ELECTRONICS AND COMMUNICATION DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING ENGINEERING • The flowchart depicts the operation of the IoT-based smart helmet for underground mining. It begins with the "Start" symbol, indicating the start of the …
Different Raising Techniques in mining | PPT
21. Low cost. Simple technique. Less development work required prior to raising operation. Simple drilling & blasting used. Confirmation of ground conditions is not required. Can efficiently mine …
Mine accidents causes, prevention and control
4. Type of Mine Accidents • Fatal Accidents cause loss of life • Serious Bodily Injuries – Permanent loss of any part of the body, permanent loss of sight or hearing, fracture of any bones or joints • …
Impacts of mining on environment | PPT
5. SURFACE MINING Surface mining, including strip mining, open-pit mining and mountain top removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit are removed. Strip mining (also known as open cast) involves scraping away earth and rocks to get to minerals buried near the surface. It can …
Mining ppt 2014 | PPT
Mining ppt 2014 - Download as a PDF or view online for free ... For open-cast mining it discusses loading by hand or machine and different open-cast mining methods. Underground mining techniques …
SUPPORT IN UNDERGROUND HARD ROCK MINES
used in underground mining and are still the most common form of rock reinforcement used in Canadian mines. Provided that the rock is hard enough to provide a good grip for the anchor, an expansion shell anchor which is well seated will usually allow a rockbolt to be tensioned to its maximum load-carrying capacity.
Mine dewatering techniques | PPT
4. Definition of Mine Dewatering Dewatering and groundwater control forms a vital part of many mining projects. Most open pit and underground mines will extend below groundwater level. Poorly controlled groundwater can impact the safety and efficiency of mine operations Mine dewatering is the process of controlling and managing surface …