pdf sublevel caving

Types of Underground Mining Method Comparison

Caving Methods of Mining. There are three distinctive methods of working large deposits that involve, in some way, the factor of caving. Slightly different names are in use, but those that are simple as well as descriptive are top slicing, sublevel caving, and block caving.

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Keeping up with caving - Redpath Mining

46 BLOCK CAVING Keeping up with caving Caving mining techniques are experiencing a surge of interest, thanks to a combination of favourable metal prices, high forecast demand and the need to exploit deeper, more complex orebodies at the lowest cost possible. …

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Underground Mining Methods and Equipment

stoping, cut-and-fill, longwall mining, sublevel caving, and block caving. The second section describes underground mining equipment, with particular focus on excavation machinery such as boomheaders, coal cutters, continuous miners and shearers. 1. Underground Mining Methods 1.1. Classification of Underground Mining Methods

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Sublevel Caving Mining Method - Newtrax Technologies Inc.

Sublevel Caving . Sublevel Caving is one of many different methods for underground hard rock mining. It is a large-scale mining method suitable for large ore bodies with a steep dip and a rock mass with a host rock in the hanging wall will fracture under controlled conditions.

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Sub Level Caving Free Essays - PhDessay.com

Sublevel caving techniqueSimplicity and low cost are the essence controlled drilling and blasting. Sublevel caving is in many respects simple. It can be used in orebodies with very different properties and it is easy to mechanize. In sublevel caving, ore is developed from a series of sublevels spaced at regular intervals throughout the orebody.

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Sublevel caving - ScienceDirect

The question whether sublevel caving is practicable even at greater depths below ground level has often been discussed. Both theoretical and practical points of view indicate a positive answer. A few Swedish metalliferous mines operate sublevel caving already today at depths of over 700 m below ground level.

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Sublevel stoping..Underground mining methods - SlideShare

Oct 22, 2014· 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 format so as to allow customization for the individual needs of course instructors.

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(PDF) An assessment of dilution in sublevel caving at ...

1 Problem definition The sublevel caving areas at Kazansi Mine currently contribute about 30% of the total ore produced in the mine. However, the rising dilution levels in the sublevel caving areas has led to drops in the grade of the ore, increase in mining and processing costs and also reduction in the profit margins of the mine.

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(PDF) Longwall; Sublevel Caving and Block Caving ...

PDF | Longwall Longwall in coal Longwall in Hard Rock Sublevel Caving Characteristics of the ore body and mining method Development Production Equipments Used Block Caving Introduction Historical ...

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A Sub-Level Caving Algorithm for Large-Scale, Small-Strain ...

Block caving, in turn, was the logical scale-up from sub-level caving. In the first application of sub-level caving, the ore was not drilled and blasted completely between two sub-levels, but only parts were broken by induced caving; hence the name sub-level caving (Janelid 1972). At current day SLC operations, the ore mass between the sub ...

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REGISTRATION BROCHURE FOURTH INTERNATIONAL …

09:00 Design of a new layout for sublevel caving at depth C Quinteiro, Luossavaara-Kiirunavaara Aktiebolag (LKAB), Sweden 09:30 Full-scale experiments to measure the effect of crosscut height on recovery in sublevel cave mines AD Campbell, Beck Engineering, Australia

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Sub-level open stoping - QueensMineDesignWiki

This method is usually considered as an alternate to sublevel caving when a lower dilution method is needed and where the rock is fairly competent. The production for a mine using sublevel stoping can range from 15- 40 tons/employee-shift, while one stope can produce greater than 25000 tons per month.

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Mining Methods: Block Caving | Geology for Investors

Block-caving copper mining methods and costs at the Miami mine, Miami Copper Company, Gila County, Arizona (1965) Hardwick, W. R. U.S. Dept. of the Interior, Bureau of Mines PDF; Empirical investigation and characterization of surface subsidence related to block cave mining (2013) Woo et …

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Design of a new layout for sublevel caving at depth

Transverse sublevel caving layout is the normal layout at LKAB, but when the orebody is narrow, longitudinal sublevel layout is used. In this paper, only transverse sublevel caving is discussed, i.e. the production drifts are driven across the orebody from the footwall to the hanging wall. The dimensions of …

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Diseño Sub level Caving Modulo 1.ppt - es.scribd.com

Diseo minas explotadas por. Sub Level Caving (SLC) Definicin Sublevel caving es un mtodo de explotacin masivo subterrneo basado en la utilizacin de flujo gravitacional del mineral tronado y diluyente hundido Condiciones ideales Roca de caja dura, diseo de pilares Roca competente, con pocas estructuras (formacin de cuas) Pocas estructuras mayores Yacimiento verticales Esteril con algun ...

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SUBLEVEL CAVING TECHNIQUE by Partha D Sharma -

Jun 25, 2010· Sublevel caving is usually carried out when mining of the orebody through an open pit method is no longer economically feasible. Mining now proceeds underground, underneath the …

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sublevel caving - es.slideshare.net

sublevel caving 1. Metodo de minado porhundimiento de subniveles SLCCastro Cuya Lincoln 20091166I 2. Introducción SLC es un metodo masivo de minado basado en la utilizacion del flujogravitacional del mineral disparado y del desmonte derrumbado. SLC es la evolucion natural del tajeo por subniveles.

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A study of gravity flow principles of sublevel caving ...

Oct 25, 2017· The loss and dilution of ore by sublevel caving mining method is influenced by gravity flow principles of caved granular materials (rocks). Gravity flow of …

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(PDF) Sublevel Stoping Underground Mining Methods

Sublevel open stoping: design of the O640, L651 and N 659 sub level open stopes in the 3000 orebod y of the Mount Isa copper mines, Queensland, Australia. Department of Mining, University of ...

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Block caving - QueensMineDesignWiki

Block caving is an underground mining method that uses gravity to exploit massive, steeply dipping ore bodies located at depth. These ore bodies are generally low grade in nature and are too deep to be extracted through open pit mining.

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Gravity flow of broken rock in sublevel caving (SLC ...

Sublevel caving is a mass mining method based upon the utilization of gravity flow of blasted ore and caved waste rock (Kvapil, 1998). It relies on the principle that ore is fragmented by blasting while the overlying host rock fractures and caves under the action of mine induced stresses and

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Cave Mining Techniques - AZoMining.com

The removal of the ore causes a large gap or 'cave' where the orebody previously resided. Specific examples of cave mining techniques include block caving, panel caving, inclined-drawpoint caving, cut and fill mining, shrinkage stopping, sublevel longhole mining, room-and-pillar mining and front caving.

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[PDF] Diseño Sub level Caving Modulo 1.ppt - Free Download PDF

Oct 12, 2017· Diseño minas explotadas por Sub Level Caving (SLC) Definición Sublevel caving es un método de explotación masivo subterráneo basado en la utilización de flujo gravitacional del mineral tronado y diluyente hundido

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Block Caving at the Pebble Mine - csp2.org

Block caving will most likely cause surface subsidence, and because the Pebble deposit is a sulfide deposit, the subsidence would result in generation of dangerous chemicals and their transport into the groundwater system. Figure 3. Diagram of subsidence at an area mined by block caving (from Anatomy

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Planificación estratégica de explotaciones de caving por ...

Planificación estratégica de explotaciones de caving por sub niveles en Mediana Minería Ph.D Raúl Castro, Universidad de Chile M.Sc. Álvaro Altamirano, BCTEC Ingeniería y Tecnología

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FOURTH INTERNATIONAL SYMPOSIUM ON BLOCK AND …

sublevel caving, mine fill, surface support and deep and high stress mining. The continued high attendance at our underground mining companies find the event content, quality and interactive format to be of a high calibre, relevant and of real value and benefit.

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FOURTH INTERNATIONAL SYMPOSIUM ON BLOCK AND …

As a cave mining expert, Jarek has worked on most of the world's caving and sublevel caving projects. He has participated in several international mines, developed a planning tool for sublevel caving mines and has lectured on cave mining on five continents. and …

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[PDF] Sublevel Caving - Free Download PDF

Jul 04, 2019· Download Sublevel Caving. Share & Embed "Sublevel Caving" Please copy and paste this embed script to where you want to embed

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Caving Underground Mining Methods (longwall, Sublevel ...

Oct 23, 2014· Caving Underground Mining Methods (longwall, Sublevel caving, & Block caving) 1. 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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