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Thesis Sistem Block Caving Mining

Thesis Sistem Block Caving Mining

*Mining Institute, Ural Branch of the Russian Academy realized by panel and block scheme caving. .. aerodynamic resistance: thesis. meropriiati po privedeniiu v rabochee sostoianie ventiliatsionnykh sistem panele rud-.

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A MODEL FOR GRAVITY FLOW OF FRAGMENTED ROCK

A MODEL FOR GRAVITY FLOW OF FRAGMENTED ROCK IN BLOCK CAVING MINES Matthew Edward Pierce SUMMARY of a thesis submitted for the degree of Doctor of Philosophy at The University of Queensland in September 2010 Sustainable Minerals Institute (SMI) WH Bryan Mining & Geology Research Centre

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GEOMECHANICAL EVALUATION OF A MECHANICAL

in block caving shows that it is similar to or higher than the traditional drill and blast rate. The research developed in this thesis presents an opportunity to improve the quality of undercutting, ensuring the cut of the block and eliminating the risk of a remnant pillar that would

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THE UNIVERSITY OF QUEENSLAND Bachelor of

A thesis submitted in partial fulfilment of the requirements of the Bachelor of Engineering degree in Mining Engineering UQ Engineering Faculty of Engineering, Architecture and Information Technology Development blasting operations in Sub-level and block caving mines play a significant role in

(PDF) Underground mining Methods - ResearchGate

Caving (i.e., Sublevel and Block) mining methods are v aried and versatile an d involve ca ving the ore and/ or the overlying rock. Sub sidence of the surface normally occu rs afterwar d.

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NUMERICAL MODELLING OF ROCK MASS

NUMERICAL MODELLING OF ROCK MASS DEFORMATION IN SUBLEVEL CAVING MINING SYSTEM .Jan BLACHOWSKI 1)* and Steinar ELLEFMO 2) 1) Institute of Mining Engineering, Wroclaw University of Technology, pl. Teatralny 2, 50-051 Wroclaw, Poland 2) Department of Geology and Mineral Resources Engineering, Norwegian University of Science and Technology,

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Future Block and Panel Caving Mining Systems and

Future Block and Panel Caving Mining Systems and opportunities for rock mechanics inputs A technical Note Requirements for future mining using new caving methods . R., 2006. Study of the Mechanisms of Gravity Flow for Block Caving. PhD Thesis, Julius Kruttschnitt Minerals Research Centre (JKMRC), The University of Queensland, Australia.

The Block Cave Mining Method - UK Essays

This report is advocated towards a layman in block caving in view of getting an impression about the block cave mining method. Chapter One – Introduction 1.1 Block Caving. Block caving is an underground mining method applicable to the extraction of low-grade, massive ore bodies with the following characteristics:

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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1.1 PHASES OF A MINING PROJECT - Home | ELAW

1.1 PHASES OF A MINING PROJECT There are different phases of a mining project, beginning with mineral ore exploration and ending with the post-closure period. What method called ‘stoping’ or ‘block caving,’ sections or blocks of rock are removed in vertical strips

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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

The Block Cave Mining Method - testmyprep.com

The caving of the block is set up by mining an undercut area before hydraulic radius of the excavation gets to a crucial value. As the destroyed ore above it will collapse in to the void so created. Vertical propagation of the cave will then occur in reaction to the continuing removal of damaged ore through the lively drawpoints.

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2010, Australian Centre for Geomechanics (ACG), The

achievements of contemporary caving designs. 2.1 Mining block heights Brown (2003, 2007) defines block height as the height of the block to be caved from the extraction level to the surface, the base of a pre-existing open pit, a level or a mined-out area above.

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Empirical observations of dilution in panel caving - SciELO

Block or panel caving strategy A block cave strategy will lead to more lateral dilution mixing than panel caving. Laubscher (2000) Uniformity of draw High uniformity of the tonnage drawn from the neighbour drawpoints will Julin (1992), Susaeta (2004) lead to high interaction and late dilution entry.

Planning for productivity: block caving system -

Jul 11, 2017This allows a supervisor to determine the best way forward and reallocate or reschedule tasks if necessary. Employing a block caving system can be essential for planning and managing block caving tasks. To ensure that block caving is conducted efficiently on-site, it is important for operations to utilize a block caving system like Pitram.

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THE UNIVERSITY OF QUEENSLAND Bachelor of

A thesis submitted in partial fulfilment of the requirements of the Bachelor of Engineering degree in Mining Engineering UQ Engineering Faculty of Engineering, Architecture and Information Technology Development blasting operations in Sub-level and block caving mines play a significant role in

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LONG TERM PLANNING OF BLOCK CAVING

1.4 Contributions made by this thesis 3 II LONG TERM PLANNING IN A BLOCK CAVE MINE 5 II. 1 Introduction 5 11.2 Block Cave Mining Method 6 11.3 Traditional Steps in Planning a Block Cave Mine 7 Figure 3-10: Comparison between methods to compute mining reserves in Block Caving 50 Figure 3-11: Comparison between methods to compute mining

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Draw rate optimisation in block cave production

Block caving is generally a large‐scale production technique applicable to low‐grade, massive orebodies and the least expensive of all underground mining methods, and can in some cases compete

The Isolated Extraction Zone in Block Caving — A Review

Cite As: Sharrock, GB 2008, 'The Isolated Extraction Zone in Block Caving — A Review', in Y Potvin, J Carter, A Dyskin & R Jeffrey (eds), Proceedings of the First Southern Hemisphere International Rock Mechanics Symposium, Australian Centre for Geomechanics, Perth, pp. 255-271.

Draw Control in Block Caving Using Mixed Integer Linear

Block caving is a complex and large-scale mining method. The application of block caving is for low-grade, caveable and massive ore-bodies. Among the underground mining methods available, caving

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1114390002-003-R-Rev1-Iron Cap Pre-Feasibility

IRON CAP PRE-FEASIBILITY STUDY May 31, 2012 Project No. 1114390002-003-R-Rev1-10000 i Executive Summary This report presents the results of the pre-feasibility assessment of the proposed block caving mine for the Seabridge Gold Inc. Iron Cap deposit, part of the KSM property located in the Coast Mountains of northwestern British Columbia.

Cave mining — 16 years after Laubscher’s 1994 paper ‘Cave

Cite As: Chitombo, GP 2010, 'Cave mining — 16 years after Laubscher’s 1994 paper ‘Cave mining – state of the art’', in Y Potvin (ed.), Proceedings of the Second International Symposium on Block and Sublevel Caving, Australian Centre for Geomechanics, Perth, pp. 45-61.

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Parameters influencing full scale sublevel caving material

Parameters influencing full scale sublevel caving material recovery at the Ridgeway gold mine I.D. Bruntona,b,, S.J. Fraserc, J.H. Hodgkinsonc, P.C. Stewartb a Newcrest Mining Limited, Cadia Valley Operations, Cadia Road, South Orange, 2800, Australia b The University of Queensland, W.H. Bryan Mining and Geology Research Centre, Brisbane, Australia c CSIRO Exploration and Mining,

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1.1 PHASES OF A MINING PROJECT - Home | ELAW

1.1 PHASES OF A MINING PROJECT There are different phases of a mining project, beginning with mineral ore exploration and ending with the post-closure period. What method called ‘stoping’ or ‘block caving,’ sections or blocks of rock are removed in vertical strips

Block Caving - Ground Truth Trekking

Block caving is an underground hard rock mining method that involves undermining an ore body, allowing it to progressively collapse under its own weight. It is the underground version of open pit mining. In block caving, a large section of rock is undercut, creating an artificial cavern that fills with its own rubble as it collapses.

Caving Underground Mining Methods (longwall, Sublevel

Oct 23, 2014Caving 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.

Determination and Assessment of Parameters Influencing

Jun 10, 2014Mining methods such as block caving or sublevel caving rely on the characteristics of the rock mass to cave efficiently to fulfill an economical production. The identification of influencing parameters and cavability assessment are, thus, a prime geotechnical focus for all potential caving

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NUMERICAL MODELLING OF ROCK MASS

NUMERICAL MODELLING OF ROCK MASS DEFORMATION IN SUBLEVEL CAVING MINING SYSTEM .Jan BLACHOWSKI 1)* and Steinar ELLEFMO 2) 1) Institute of Mining Engineering, Wroclaw University of Technology, pl. Teatralny 2, 50-051 Wroclaw, Poland 2) Department of Geology and Mineral Resources Engineering, Norwegian University of Science and Technology,

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Fifth International Symposium on Block and Sublevel

Banding in Caving Mines', Journal of the Southern African Institute of Mining and Metallurgy, vol. 118, no. 8, pp. 753-761. Duplancic, P 2001, Characterisation of caving mechanisms through analysis of stress and seismicity, PhD thesis, The University of Western Australia. Fourth International Symposium on Block and Sublevel Caving Report

Caving procedure at the Crestmore Limestone Mine of the

For a number of years the Riverside Cement Company obtained its raw materials by surface quarry operations, but after these deposits were exhausted for equipment available at that time, the Company started underground mining. Mine workings were begun in 1927 to 1930 for the recovery of limestone by block-caving methods"--Introduction, page 1.

Authors: Randall Helt WightmanAffiliation: Missouri University of Science and Technology[PDF]

STUDY OF THE INFLUENCE OF INTERACTIVE DRAW

STUDY OF THE INFLUENCE OF INTERACTIVE DRAW UPON DRAWPOINT SPACING IN BLOCK AND SUBLEVEL CAVING MINES Adrianus (Adrian) Erwin Halim B.E. (Mining) M.E. (Mining) Thesis submitted in fulfillment of the requirements for the Degree of Doctor of Philosophy Julius Kruttschnitt Mineral Research Centre The University of Queensland September 2006

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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

Experiments and simulation of gravity flow in block caving

Abstract: In block caving, gravity flow plays a key role as it influences ore recovery and dilution. Recent research at the University of Chile has been directed towards expanding the understanding of gravity flow through experiments that could be included in gravity flow simulation tools.

Block Diagram Of Horizontal Machining Centre In Cnbc

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The design and development of CaveCad: A state of the art

The block caving mining method is being increasingly applied as a mass mining method used to exploit base metals and diamond resources. In block cave mining, geotechnical monitoring is fundamental to the successful management and operation of the mine.

Graduate Programs - Mining Engineering

ADVANCED BULK UNDERGROUND MINING TECHNIQUES This course will provide advanced knowledge and understanding of the current state-of-the-art in design, development, and production in underground hard rock mining using bulk-mining methods. Design and layout of sublevel caving, block caving, open stoping and blasthole stoping systems.

Sublevel caving - QueensMineDesignWiki

Sublevel Caving Safety . Sublevel caving is a relatively safe mining method since the operations take place in small areas at a time and are highly mechanized. The uniformly distributed nature of generally 5mx3.7m sublevel nature of drifts aids in the safety of this mining method.

METODE PENAMBANGAN RUNTUHAN / CAVING -

METODE PENAMBANGAN RUNTUHAN (CAVING) PENDAHULUAN Metode ambrukan (caving method) adalah cara penambangan endapan bijih atau batubara pada tambang bawah tanah dengan cara pengambrukan yakni meruntuhkan deposit bijih atau batubara, karena adanya pengaruh gaya grafitasi K LA SIFIK A SI M ETO D E P EN A M B A N G A N R U N TU H A LONGWALL MINING N (C AV ICAVING SUBLEVEL NG) TOP SLICING BLOCK

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Quantifying stresses and support requirements in the

International Journal of Rock Mechanics & Mining Sciences 39 (2002) 617–632 Quantifying stresses and support requirements in the undercut and production level drifts of block and panel caving mines R. Truemana,*, M. Pierceb, R. Wattimenaa aJulius Kruttschnitt Mineral Research Centre, The University of Queensland, Queensland, Australia

Numerical modelling of surface subsidence associated

These are intended as an aid to engineering judgment for decision makers at the pre-feasibility and mine design stages. This study also addresses one of the most challenging problems in mining rock engineering - the interaction between block cave mining and a large overlying open pit, focusing on caving induced step-path failure initialization.

Assessing the state of the rock mass in operating block

1 Introduction Block caving is a mining method which has been increasingly implemented in recent times due to its cost eficiency and high production rates. The lack of access to the orebody, which is characteristic of the block caving method, results in a poor knowledge of the state of the rock mass inside the ore column.

GLOSSARY OF CAVING TERMS - NHVSS

Colloquial term for an experienced caver who is now incapable of caving or a person still able to, but has lost the urge to actually go caving. On the other hand they may spend much of their time writing or reading caving books and hours may be spent reminiscing over photographs from past trips. ASCENDER. n. A mechanical device which grips the