Blast fragmentation and mine to mill reducing bench turnover time and improving shove c michaud and d kavanagh a fine looking sample the importance of fines in g reconciliation b reid controlling blast related fumes with unconventional j rock and k bambrook. Sipsa, approached maptek for help with optimising stope definition at one of their underground projects. Mineable shape optimiser mso evaluations on the new resource model have been run by an independent mining contracting group. Version 1 commercialised in 2011, mineable shape optimiser mso is a strategic mine planning tool that automates the design of stope shapes for a range of stoping methods for underground mines. In 2006, mexican company servicios industriales penoles s. Pit optimiser uses the industrystandard lerchsgrossman lg algorithm. Using a combinations of economic and design parameters, the stope optimiser uses an integrated mathematical programming solver to determine the most profitable stope layouts, or sequence of nested stope layouts. Value algorithm and mineable shape optimiser mso are examined for optimisation of stope layout in a case study. Minable definition of minable by the free dictionary. Dynamic anisotropic mineable shape optimizer damso geomine stopemizer is a stope and minable shape optimization tool for underground mine planning. Development of a computer program for underground mine. Pdf optimizer advanced pdf tools pdf tools, document. Verypdf pdf optimizer is a great product to optimize your pdf files, download and enjoy it today. Given an ore deposit represented as a block model containing ore grades or block revenues, the lg algorithm determines the pit shape by identifying the overlying blocks that must be removed to.
Stope optimisation for underground gold deposit grade shell of mineable blocks and proposed mine design for one sector of future mine the deposit is modelled in vulcan using exploration drilling. The mineable shape optimiser mso stope optimisation for the mineral resource has been undertaken on the indicated and inferred mineral resources only. Designing an optimal stope layout for underground mining. You might find the pattern feature useful in this situation, since it offers a variety of different overlap and repeat patterns. By considering an smu as a stope, automatic stope shape creators such as datamines mineable shape optimiser mso can be used to create wireframes for each mining unit over the entire deposit. Pour 2000 developed a computer program named stope limit optimizer slo for stope limit optimisation in 3d space. Portable document format pdf is the defacto file format for presenting deviceindependent documents on and off the web. Planned dilution is automatically incorporated by datamines mineable shape optimiser mso software. Fifteen pegmatite veins identified as being of economic interest. The vulcan stope optimiser module provides an integrated tool for producing optimised mineable shapes. Using these wireframes, the model can be subblocked and assigned as either ore inside the. The mineral resource model was evaluated below the current constraining pfs pit shell, with mineable stope shapes identified using mineable shape optimisermso software assuming minimum stope sizes 14 metres wide by 20 metres long and a 25 metres sub.
This is a great product, says datamines general manager in australia, brad barker. The objective is to complete a mine design for liontown, so there is a clearly identified scenario capital. Using constraints detailing mining method and design parameters mso provides the optimal stope shape design to. Gadir ore reserves report 2018 london stock exchange. The new acrobat features faster operations, smaller pdfs, a new interface, and the ability to combine different types of files into one pdf. Optimize pdf files tips on pdf optimization to compress. The availability of adequate supply of mineral resources is the requirement for commencement of a mining operation. Mineral resources are reported inclusive of ore reserves and include all exploration and resource definition drilling information up to 31 december 2016 and have been depleted for mining to 31 december 2016. Built around the ams mineable shape optimizer, the tool allows you to define numerous properties for the stopes including.
Mso mineable shape optimizer automatically produces optimized stope designs to maximize the value of recovered ore within the given orebody geometry and design constraints. The grades and tonnes of the mineral resource model have been modified by a mining. Mineable shape optimiser which produces optimized stope designs work has commenced to understand whether this high grade core can be mined, and if so, work will then start on more detailed mine design and scheduling. Investigate scenarios and sensitivities at the click of a button. Pdf implementation and comparison of four stope boundary. Given a block model and a set of engineering and economic parameters, stopemizer creates an optimal stoping boundary and then mineable shapes. As such, it contains fixes and minor improvements, plus new features. The mining recovery factor was estimated to be 95% for both the roomandpillar and overhand stoping methods. As max mentions, the reduce size pdf command is really just one particular setting of the pdf optimizer that is available in acrobat std.
After the mineable blocks were flagged, grade shells and other visualisation tools in vulcan were used to assist with the actual mine design. Using these wireframes, the model can be subblocked and assigned as either ore inside the wireframe or waste outside the wireframe prior to. To estimate tonnage and grade in 3d using mineable shape optimiser mso and to create a mine design and schedule, srk created a block model in deswik software with a block size of 1. Ams was project manager and lead researcher for two large international research projects coordinated by amira international that concluded in 2015. This automates the detailed task of finalising the design of underground stopes within an identified ore zone. A pdf document is a collection of objects with structural information in a selfcontained series of bytes. Unplanned dilution was estimated to be 10% based on previous mining history at gadir. Contact us today to organize a personalized demonstration during which, using your data, we. Amprd absolute of the mean paired relative difference mso mineable shape optimiser anfo ammonium nitrate fuel oil nafta north american free trade agreement ap acid potential ni 43101 national instrument 43101 ard absolute of the relative difference nonpag nonpotentially acid generating blanco clean barren gravel np neutralization potential. Optimisation improvements for narrow vein open pit deposits using mineable shape optimiser s swapp and c mann 50 high energy bulk explosives and mine to mill focus the mt rawdon story g wallace and d morton 60 driving improvement measuring the effectiveness of change through best practice reconciliation r hargreaves, g pattenden and p pettit 71. Optimisation improvements for narrow vein open pit.
In acrobat xi, it is located under the file save as other reduced size pdf menu command and can be run on multiple pdf files. Datamines mineable shape optimiser was used during the december 2012 mineral reserve update. Cowal gre46 underground area mineral resource increased by 77%. It processes resource block models to create optimised mineable volumes which are displayed as both polygons and 3d triangulations. It is the perfect follow on for our very popular mineable. Pdf compression minimizes the file size of pdf files, ocr tends to make them textsearchable, and weboptimization assures that they load easily when viewed online. The inbuilt mso optimiser applies the worlds leading underground design optimisation algorithms to generate stope shapes based on financial, geotechnical and operational considerations that can be tailored to your mine. Mineral resources are reported inclusive of ore reserves and include all exploration and resource definition drilling information up to 31 december 2016 and have been depleted for. Mine shape optimiser evaluation, with its flexible width and slope parameters, provided a less aggressive dilution solution that will be more reflective of actual mining practices.
Cplex optimiser for automatic determination of optimal schedules. Leading the way for integrated underground design and scheduling studio ug is the comprehensive toolkit that has a unique, singlestep process to generate all scheduled activities from source data in seconds. Alford mining systems ams is a specialist supplier of research capability, software and services to the mining industry, and was established in 1999. The system supports a wide variety of underground mining methods and can quickly generate individual stope designs within a resource model. At songvang, the pit design for the northern cutback has been optimised using whittle 4x. This mineral resource and mineral reserve report 20 is a key component of the pan african resources plc suite of 20 annual reports, produced to record the companys performance regarding its finances, operations and sustainability activities for the 12 months ended 30 june 20. Asxmedia announcement nd august 2016 pilbara more han. Using constraints detailing mining method and design parameters mso provides the optimal stope shape design to maximise the value of an orebody. Mineable shape optimiser mso can generate and evaluate thousa nds of iterations, in view of stope geometry, geological and geotechnical constraints to find the optimal s hapes and pillar that. Planned drilling from the exploration decline is shown in blue scale 0 200m long projection of the gre46 structure looking west showing the location of drilling completed during the march 2019 quarter.
Pit optimiser provides different options for financial, optimisation and analysis scenarios. Mso is an underground optimisation tool that maximises the value of a resource, to determine the volumes of optimised material that can be evaluated for production. For a triangular shape, two objects, one inverted to minimize the total amount of space, can be replicated in the same way. The group mineral resource statement as at 31 december 2016 is provided below in tables 2 and 4. Commercialised in 2011, mineable shape optimiser mso is a strategic mine planning tool that automates the design of stope shapes for a range of stoping methods for underground mines. Our mission to provide a comprehensive suite of tools for strategy optimisation in underground mine planning. Alford mining systems optimising the underground mine. The scenario management tools allow multiple mining options to be.
Stope optimisation is a strategic planning method which enables the identification of the most profitable stope configurations. Pdfs are an efficient way to accurately describe simple to intricate documents for screen or print output. The mro generates envelopes within which stopes can be designed and it can also be used for mineral reserve estimation. Learn how to use pdf optimization tools to remove redundancies, subset and outline fonts, and compress text and images for faster downloads and higher user. Geological and geostatistical investigations delineate the spatial size, shape, depth, etc. Optimisation improvements for narrow vein open pit deposits using mineable shape optimiser, in proceedings ninth ausimm open pit operators conference 2016, pp 5059 the australasian institute of mining and metallurgy. The same expand appearance trick freezes the layout. In order to generate optimal mineable shapes, the mine planner can use an optional addon from the datamine software called mineable shape optimizer mso. Portal and decline to the waroonga underground from previously mined. The only input required is tonnage and grade information. This work supported the overall dilution study value of. Each technique is assessed in terms of applicability, algorithm capabilities and limitations considering the underground mine planning challenges.
The two principal domains in the e42 zone are separated by the cowal fault. Whats the difference between reduce size pdf and optimized. This work supported the overall dilution study value of 5%, at a nominal. Datamines mineable shape optimiser was used during the december 2011 mineral reserve update. Amprd absolute of the mean paired relative difference mso mineable shape optimiser anfo ammonium nitrate fuel oil nafta north american free trade agreement ap acid potential ni 43101 national instrument 43101 ard absolute of the relative difference nonpag nonpotentially acid generating. Mineable definition of mineable by the free dictionary. The projects were funded by the worlds leading mining companies and brought together an established research capability. Mineable shape optimizer mso johannesburg, south africa 16 17 april 2020. Mine planning software underground mine stope optimiser. This software optimises the stope shape by using variable cutoff grades.
1375 445 533 1069 1537 10 1069 68 742 29 1347 319 620 790 749 403 750 807 1569 1356 903 1179 425 829 206 300 239 1384 700 1590 669 960 442 833 1224 262 297 944 411 130 674 714 945 1081 18 699 1078