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Mining Safety | First Rule of Safety: Know Your Job

Jun 22, 2018· Underground mining. The digging of tunnels and sink shafts when the ore—or mineral deposit—is below the surface. Hand tools such as chisels, hammers, and wedges are used to break up waste rock, Sometimes, areas must even be blasted in order to loosen rock so workers can more easily separate the ore from the waste rock—which are mined ...

Mining methods2 - SlideShare

Underground mines have changed their operation systems in accordance with the evolution of equipment, the system and method of mining. Transport is also of critical importance in underground mines as is the mining operation itself. The underground transport system of ores, materials, equipment and persons has been developed from

Underground Mining Methods of Copper

COAL MINE PLANNING & DESIGN-A.V.REDDY, ADDL.MANAGER The Singareni Collieries Company Limited Mining Methods Generally Coal is being mined by two main methods 1. Surface or Opencast mining 2. Underground mining. The choice of method is largely determined by the depth, thickness and no. of coal seams, geology of the coal deposit and other factors. ...

Coal mining - Underground mining | Britannica

Apr 14, 2014· Underground mining: Mineral exploitation in which all the extraction is carried out beneath the surface of earth. Underground mining methods: These are the methods/techniques employed when the depth of the deposit,the stripping ratio of the overburden to ore,or both becomes excessive to surface exploitation.

Underground mining - SlideShare

Table of ContentsFactors Affecting Choice of MethodReview of Stoping MethodsUnderhand Stoping Mining MethodOverhand Stoping MethodLongitudinal Back, Flat-Back Mining MethodLong-Wall StopingmMining MethodRill-Cut Stoping MiningSaw-Tooth Back StopingShrinkage StopingMining by Combination StopingSide StopingBreast StopingSublevel StopingSquare-Set StopingFilling …

4,143 Underground Mining PPTs View free & download ...

Nov 02, 2011· Lecture 4: Underground Mining 1. Hassan Z. Harraz [email protected] 2010- 2011 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.

underground mining slideshare - Whipped Cakes

Apr 25, 2016· Gophering and Glory Hole Underground Mining 1. PRESENTATION UNDERGROUND MINES OF UNDERGROUND GLORY HOLE AND GOPHERING By : Group 1 Member's Name : 1.Evri Ferdiansyah (H1C113081) 2.Asti Puspita Nurahma (H1C113036) 3.Mahdi Salam (H1C113058) 4.Nur Mulya Sari (H1C113075) 5.Heri Wibowo (H1C113081) 2.

Underground Mining Methods and Equipment

UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol. II - Underground Mining Methods and Equipment - S. Okubo and J. Yamatomi ©Encyclopedia of Life Support Systems (EOLSS) 2. Strength of the hanging wall, footwall, and ore body. 3. Economic value of the ore and grade distribution within the deposit.

Underground mining methods - SlideShare

An overview of underground mining.

Blast Hole Drilling: The Basic Process | RPM Drilling

The Australian Centre for Geomechanics has developed this safety training DVD for underground metalliferous mine workers. To purchase this product or find ou...

Underground mining methods - SlideShare

In underground mining, development required to reach the orebody is much and increases the production time from the start of the development (Haycocks, 1992). Effective mine planning is required to generate profit (Carlyle et al., 2001). Mine production scheduling is an important problem in mine planning (Gershon,

Mine-Planning-Design.ppt | Coal Mining | Mining

Underground mining: Mineral exploitation in which all the extraction is carried out beneath the surface of earth. Underground mining methods: These are the methods/techniques employed when the depth of the deposit,the stripping ratio of the overburden to ore,or both becomes excessive to surface exploitation.

Mining methods mining handbook - es.slideshare

underground mining equipment is specialized and expensive. A number of surface mines operate 24 hours/da y and almost 365 days/year in order to use open pit machinery for as many hours as possible, thereby reducing the number of machines required. In contrast, underground operations are often interrupted by the need

Lecture 4: Underground Mining - SlideShare

Longwall mining is a highly mechaniz ed underground mining sys tem for mining coal. It set of longwall mining equipment consists of a coal shear er mounted on convey or operating

underground mining slideshare - Whipped Cakes

Mining Safety and New Employees. Knowing how to perform a job properly includes knowing how to do it safely. To protect themselves and their co-workers, new employees have to get to know their jobs inside out. In fact, MHSA/OHSA requires it. The General Duty Clause says that employees must" comply with the MHSA/OHSA and standards" and all ...

MINE DEVELOPMENT – ACCESS TO DEPOSIT

Mining Industry" submitted by Sri Amol Paithankar (Roll No. 107MN026) in partial fulfilment of the requirements for the award of Bachelor of Technology degree in Mining Engineering at the National Institute of Technology, Rourkela is an authentic work carried …

Underground Mining Transportation Systems

Apr 10, 2013· Hard Rock MiningHard rock mining is a kind of underground mining. With this kind, an opening ismade that is called an adit.Tunnels into the ground are dug, blasted with dynamite, or drilled out. Thesetunnels are called shafts. Shafts are dug straight …

underground mining - SlideShare

Table of ContentsCopper GeologyGenesis of Porphyry OreUnderground Mining-Auxiliary to Steam-Shovel OperationsShrinkage Stoping System AdoptedOrebody Worked on Three LevelsMain or Motor-Haulage LevelManway Raises and DriftsStoping OperationsUpper LevelsStope PreparationManwaysOrder of Working StopesHand Tramming on Upper LevelsGeneral …

Gophering and Glory Hole Underground Mining - SlideShare

Underground mining. In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata.Access to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam then facilitates the installation of service facilities for such essential activities ...

6 Stages of the Mining Process | BOSS Magazine

Oct 16, 2015· Underground mining 1. Mohammad Esa Rasuly [email protected] III-B.Tech Mining GIET (A) Rajahmundry 2. Underground mining is a technique used to access ores and valuable minerals in the ground by digging into the ground to extract them in an economical way.

underground mining - SlideShare

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 developments in the underground mining equipment market and projects their impact on the growth of the market between 2019 and 2029. The study projects that the sales of underground mining equipment of worth ~US$ 14 Bn were …

Lecture 4: Underground 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.

Underground mining - SlideShare

Mining Methods Classification System 355underground (in order to obtain mining permits from environ- Hamrin, H. 1980. Guide to Underground Mining. Stockholm:mental agencies). . pp. 12–31. In addition, innovation is always occurring and some Hartman, H.L. 1987.

Mining - SlideShare

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 factor = 1 Low Voltage ...

Underground mining - SlideShare

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 factor = 1 Low Voltage ...

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