The sublevel caving slc method was selected as the preferred mining method at the end of the prefeasibility study. The first comprehensive work on one of the most important underground mining methods worldwide, geotechnical design for sublevel open stoping presents topics according to the conventional sublevel stoping process used by most mining houses, in which a sublevel stoping geometry is chosen for a particular mining method, equipment availability, and work force experience. The ore is extracted by level working downwards through the orebody. Deswik software is used in over 50 countries as a single integrated platform across the mine planning value chain. Sublevel caving can be used in orebodies with very different properties and is an easy method to mechanize. Underground mollie kathleen gold mine cripple creek 1st person view duration. An undercut with haulage access is driven under the. Recent developments in sublevel cave mining have advanced the understanding of the technique and its production performance, which allow it to now be considered as a highly viable alternative to open stoping and, in some cases, even to block caving. Don dumontelle of coniston skipped his crew of ed traffi, leo boyer and jerry cleaver to victory in the cochrane event, in which third and fourth spots were taken by the copper cliff rinks of steve kuzmaski skip, jesse morrison, vern tupling and bifi mccormick, and doug gathercole skip, l. Sublevel caving techniquesimplicity and low cost are the essence development significant. During recent years, great attention has been given to highproductivity methods such as sublevel caving. Past studies have been confined by two simplifying assumptions.
The walls download site is hosted by the texas speleological survey. A stoping method in which relatively thin blocks of ore are caused to cave by successively undermining small panels. Research of draw mining method modes using simulation model. These animation design programs main purpose is to draw high detail art. Sublevel caving technique by partha d sharma issuu. This app is aims to investigation and analyse the draw and seismic data for a sublevel cave. Shrinkage stope mining, mining methods, mining techniques. Shrinkage stope is a generic term used in mining to portray the process of mining upwards from a lower to an elevated horizon.
Metodo sublevel caving by juan carlos perez on prezi. Best animation design software for digital painting. Animate cc and after effects are great choices for playing around with 2d animation in both a handdrawn form or by creating puppets, while character animator doesnt require any drawing at all, and uses your face as the driver for the. The brow, the edge of the intact rock and the broken rock mass, is the area where many safety hazards are present and is the area where hookup operations for blasting rings are carried out. Almost 20% of the ore is mine during development sublevels are established generally at 7. The notations used in the formulations have been classified as sets, indices. The time stamping of the detected markers allows an animation to be. Blind raise borers, solomatic, solos perforacion produccion mercury 1l, solo 09200series carguio toro 007 1400 0010 0011. Schematic illustration of block cave mining and associated surface. Largescale simulations of gravity flow in block caving papers. Sublevel caving slc is an underground mass mining method where the orebody is divided into a regular network of tunnels.
Evolution of sublevel caving safety improvement through. The results have shown that the cut and fill, sublevel stoping, sublevel caving, and block caving methods are technically feasible. Sublevel caving slc is a mass mining method based upon the utilisation of gravity. Sublevel and block caving capability within the same model. Apr 21, 20 sublevel caving past and future australian centre for 23 dec 2009 induced caving hence the name sublevel caving. Sublevel caving past and future australian centre for 23 dec 2009 induced caving hence the name sublevel caving. International mining congress and exhibition of turkey. Explain why the 4s sublevel fills before the 3d sublevel begins to fill as electrons are added to atoms orbitals in lower energy levels generally have lower energies, except for d and f sublevels electrons in the 3d sublevel have a higher energy than electrons in the 4s sublevel. Sublevel caving techniquesimplicity and low cost are the essence upholes accurate with less than 2% deviation. Optimizing extraction percentage for sublevel caving in.
A solution approach for optimizing long and shortterm. A multistep approach for blockcave production scheduling. Longwall top coal caving the longwall top coal caving ltcc roof support allows mining to a total seam height of more than 10 m 33 ft by using a longwall shearer to cut the bottom 2. The caved waste from the overlying rock mass fills the void created by ore extraction generating a dynamic mixing situation between the broken ore and the waste dilution from upper levels.
In block caving, a large section of rock is undercut, creating an artificial cavern that fills with its own rubble as it collapses. Walls cave survey program texas speleological survey tss. Animate cc and after effects are great choices for playing around with 2d animation in both a handdrawn form or by creating puppets, while character animator doesnt require any drawing at all, and uses your face as the driver for the animation. This type of longwall is in service for example at a mine in. Block caving, mass and rocks researchgate, the professional network for. Shrinkage stope is a generic term used in mining to portray the process of mining upwards from a lower to an elevated horizon, leaving broken rock in the excavation created. Apart, blasting pattern used has also plays very important role. 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. Computer simulation models for the gravity flow of ore in.
So its good to use it with a new project, the user api is mostly the same as before, but the way that keys are encoded has changed, and this means you cannot run 6. Dec 01, 2016 sublevelcavingmethod newtrax technologies inc. Description, sublevel caving slc is an underground mass mining method. Mining in minnesota cut and fill mining method 3d animation. So its good to use it with a new project, the user api is mostly the same as before, but the way that keys are encoded has changed, and this means you cannot run 6 on a database you created with 5. Justintime development model for a sublevel caving. Jun 25, 2010 sublevel caving techniquesimplicity and low cost are the essence if sloughing or high brows are noticed from development, it may be decided to blast more than 2 rings just to advance through the. The geometrical and geomechanical characteristics of sublevel caving v. You are hereby warned this is a significant breaking change. Mechanized under ground mines, mechanized open pit mines.
In this method, the ore is excavated in open stopes, retreating from one end of the stope toward the other. She has worked on many different block caving projects, from order of magnitude to feasibility studies, to sublevel caving projects and software development testing. Shabanie mine is a sublevel caving underground mining operation in zimbabwe. Calibration of a mixing model for sublevel caving ubc library. Sublevel definition and meaning collins english dictionary. I have compiled a list of some of the best essential animation design software that will give you the tools to create 2d animations, 3d animation, concept art, models, render and more. Download scientific diagram sublevel caving animation fragment.
Software has been calibrated against many operational mines. We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services. Clipici livezeni colliery, the national bituminous coal company, petrosani, romania abstract. This method is normally used in massive, steeplydipping orebodies with considerable strike length, and usually has a high amount of dilution and low recoveries. However the general decline in development rates ahead of mining. Sublevel caving article about sublevel caving by the free. Recovery reports generated by level, phase, resource classification, drawpoint and time. The ore deposit is developed by a series of sublevels spaced at vertical intervals of 18 to 25 ft or 30 ft 5. The australian centre for geomechanics, the university of western australia. Csiro exploration and mining for the kind use of the csom software. Rahal department of mining, metallurgical and materials engineeringjkmrc, the university of queensland, brisbane, australia.
Having joined the geovia caving business unit in 2014, christina is focused on solution implementations at client sites and software training. Cave mining both block caving and sublevel caving, which is currently used at petras underground mines in south africa is a wellestablished and safe mechanised mining method that was first introduced at kimberley, south africa in 1951. Bill dhalle veb sublevel 3 photodesign works photography. The depth of mining starts at 200 m below ground level and extends down to 550 m. I am an art director, photographer and multimedia, graphic and web designer living in troy, ny, usa, but would be very happy living in berlin consuming doner kababs and orange fanta on a daily basis. Historical mine data withheld for proprietary reasons for the period 19902000 indicate that buffer mineral reserves have traditionally been maintained at about 4 years with the lor in excess of years. So you can easily test their capabilities and usability before actually employing them to create your own animated masterpieces. Numerical modelling of surface subsidence associated with block cave mining using a finite element discrete element approach by alexander vyazmensky master of applied science, university of. For sublevel stoping the ore body and walls should be strong enough to support open stoping. The extrathick coal seam by sublevel caving with more than 3. The footprint of the proposed mining area is about 300 m by 450 m. Open pit mining and underground mining techniques such as block caving are used more prevalently than sublevel caving.
May 24, 2016 choosing a backup generator plus 3 legal house connection options transfer switch and more duration. In 2019, we continued our focus on providing an integrated platform that supports mine design and planning across all planning horizons and the mining. Sublevel caving techniquesimplicity and low cost are the essence if sloughing or high brows are noticed from development, it may be decided to blast more than 2 rings just to advance through the. The models for the cluster and drawpoint levels are described briefly, but a more detailed explanation can be found in pourrahimian et al. About copper mining and mining photo from copper mines in india by n g nair manager mines malanjkhand copper project. Calibration of a mixing model for sublevel caving ubc. Sublevel caving technique free download as pdf file hole diameter d. Oct 23, 2014 caving underground mining methods longwall, sublevel caving, block caving 1. However, the latter technique is nonetheless an important underground mining method used most commonly at mines in sweden, canada, and australia. Choosing a backup generator plus 3 legal house connection options transfer switch and more duration. The present collection of 10 free animation software brings to you some of the most widely used and downloaded animation software in the world. Sublevel caving is a highly efficient, topdown, underground bulk mining method. Numerical modelling of surface subsidence associated with block caving mining using femdem modelling approach 1. Block caving is an underground hard rock mining method that involves undermining an ore body, allowing it to progressively collapse under its own weight.
View gavin powers profile on linkedin, the worlds largest professional community. See the complete profile on linkedin and discover gavins connections and jobs at similar companies. What is the difference between sublevel stopping and sublevel. Optimization of the design parameters for sublevel caving has ensued with the objective of maximizing ore recovery while minimizing waste dilution. 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. Thus sublevel caving is usually used to mine lowgrade, lowvalue orebodies. In this method, the ore is excavated in open stopes, retreating from. However, the economic and environmental parameters have favored. Software specifically designed for the mine planning of sub level caving.
Sublevel caving by pau le on prezi presentation software. She has worked on many different block caving projects, from order of magnitude to feasibility studies, to sublevel caving projects and software. Allows for cave propagation within a simulation, fine and alternate particle properties. Introducing footprint finder for sublevel caving driving digital. The first comprehensive work on one of the most important underground mining methods worldwide, geotechnical design for sublevel open stoping presents topics according to the conventional sublevel stoping process used by most mining houses, in which a sublevel stoping geometry is chosen for a particular mining method, equipment availability, and work force. Process animation lkab sublevel caving eng on vimeo. Most of the programs below are inexpensive and relatively easy to learn. Block caving is used to mine massive steeply dipping orebodies typically low grade with high friability.
Sub level caving method block caving mining engineer. Moreover all of these software are available for free. The mixedinteger linear programming models for blockcave production scheduling optimization are explained in this section. Additional program information, along with a link to the most recent walls build, will normally be available at the tss web site. Jun 25, 2010 sublevel caving techniquesimplicity and low cost are the essence development significant. Model 3 respectively animations of the modelled sections can be referred to in.