underground mining slideshare

Refuge chambers in underground mines

2021-9-20 · underground mining of non-coal resources. Foreword. This guideline is issued by Resources Safety . under the . Mines Safety and Inspection Act 1994, and has been endorsed by the Mining Industry Advisory Committee. The Act. The . Mines Safety and Inspection Act 1994 (the Act) sets objectives to promote and improve occupational safety and health

MINE DEVELOPMENT – ACCESS TO DEPOSIT

2012-9-6 · The Southern African Institute of Mining and Metallurgy Platinum 2012 101 S.M. Rupprecht MINE DEVELOPMENT – ACCESS TO DEPOSIT S.M. Rupprecht University of Johannesburg Abstract A deposit to be mined by underground methods can be accessed by a number of methods: • Adit • Decline or ramp • Inclined shaft • Vertical shaft.

Underground mine

2011-10-23 · 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. …

Underground coal mining in india

2013-2-27 · Underground coal mining in india. 1. Underground coal mining in India – Technological option and challenges ahead MD. Suresh KumarAbstractW orld coal institute estimates coal is the major contributor for energy generation to the …

Digging deeper: Mining methods explained | Anglo …

The underground mining methods we use include room and pillar, narrow vein stoping and large-scale mechanised mining. Room and pillar mining is a style of mining where tunnels are driven in a chess board pattern with massive square pillars between them which are gradually cut away as the work proceeds.

Stoping Mining Methods

2017-4-3 · The subject of stoping has been discussed at considerable length by Jackson and Gardner in a Bureau of Mines bulletin. Data in this bulletin were compiled principally from those presented in reports, dealing with methods and …

Seismic Mine Monitoring | Institute of Mine Seismology

2021-9-14 · Underground, the fast pace of mining makes this approach expensive, so sensors mounted to the tunnel surface are commonly used. These surface-mount sensors can quickly be moved to keep up with mining. Each netADC can monitor and pre-process up to eight seismic signals, in any combination of uni-, bi- or tri-axial seismic sensors. Geophones and ...

Underground mining

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 …

Underground mining methods

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 mine

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 …

Lecture 4: Underground Mining

2011-11-2 · Underground mining, Underground mining methods. Lecture 4: Underground Mining 1. Hassan Z. Harraz hharraz2006[email protected] 2010- 2011 This material is intended for use in lectures, presentations and as handouts to …

Underground Mining Methods and Equipment

2020-8-25 · 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.

Mining Terms Explained: A to Z | Anglo American

A glossary of mining terms. Mining explained. Bulk ore sorting and coarse particle recovery – leading the way in mineral processing innovation. Mining explained. Digging deeper: Mining methods explained. The four concepts underpinning a new way of mining.

Mine Planning Design | PDF | Coal Mining | Mining

2021-7-3 · 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 …

''mining'' on SlideShare

Underground mining equipment suppliers – bgr mining 10 slides Martijn Zoet Cursus: Drie typen van mining: decision mining, process mining, data mining 2 pages ... The SlideShare family just got bigger. You now have unlimited* access to books, …

Topic 9: Mining Methods Part V

Underground Mining We will explore all of the above in Part 9. Choice of mining method Underground Mining Methods Soft rock Mining Methods Blast mining Shortwall mining Coal Skimming (or Sink and ...

Underground Mining Transportation Systems

2020-8-25 · 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

2009-12-7 · Underground Mining Methods and Applications Production Headframe Hans Hamrin* 1.1 INTRODUCTION Ore is an economic concept. It is defined as a concentration of minerals that can be exploited and turned into a saleable product to generate a financially acceptable profit under existing economic conditions. The definition of ore calls for ...

Top ten mining terms you should know

2014-7-28 · Top Ten Mining Terms. 10. Bench: floor or ground anywhere underground. 9. Back: the roof anywhere underground. 8. Drift: what you would call a tunnel. 7. Ramp: drift that runs from level down to ...

Types of Underground Mining Method Comparison

2017-3-16 · In any discussion of Methods of Underground Mining Comparison, one is repeatedly confronted with the difficulty of dealing with so many variable conditions. It is not an exact science and in the choice of a method each varying …

Lecture 4: Underground Mining

Underground mining, Underground mining methods. 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 …

Basic Mine Ventilation

2019-8-12 · The standards require that all areas of a coal mine that can be safely traveled must be kept adequately rock dusted to within 40 feet of all working faces Section 75.403 requires that rock dust be applied to the top, floor and sides of all underground areas of a coal mine and maintained in such

underground mining

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 …

Underground mining methods

2014-4-14 · 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.

Longwall Mining Equipment

2019-9-4 · in underground mining and explosion-hazard areas. State-of-the-art microcontroller technology and increased computing power allow a completely new dimension of automation, offering all the functionality you need for enhanced control of drives, roof supports, cutting systems and ancillary equipment. It also offers features for

Strategic and tactical mine planning components

2009-8-26 · The mining environment Open Pit Underground Schedule sensitive Design sensitive 5 year cycles 10 year cycles Quick to implement Long implementation Visual control Systems control Lower mining capital Higher mining capital. margins and longer access times during the mine …

Dilution and ore recovery

2019-6-28 · Dilution is the waste material not separated from the ore in the stages of mining, and is sent to the processing plant. It is defined at the ratio of tonnage waste mined and sent for processing over the combined ore and waste tonnage milled. The following equation is the expression used for dilution:

Open-Pit Mining Definition | Anglo American

Open-pit mining, also known as opencast mining, is a surface mining technique that extracts minerals from an open pit in the ground. Open-pit mining is the most common method used throughout the world for mineral mining and does not require extractive methods or tunnels. This surface mining technique is used when mineral or ore deposits are ...

Mining Industry PPT Presentation

This simple but impactful template in a theme of mining is suitable for presentation material, business plan, proposal not only for mining but also coal, minerals, and underground resource development. We used color points for easy color matching to the topic.

Sublevel stoping..Underground mining methods

Sublevel stoping..Underground mining methods 1. Hassan Z. Harraz [email protected] 2014- 2015 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point …