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. Geotechnical design for sublevel open stoping ebook. The sma study reached the stage where geotechnical inputs. Pdf geotechnical design for sublevel open stoping download. Geotechnical design for sublevel open stoping download. There it is processed in a separate circuit designed for diamond hill ore. Approach depends on purpose of pillar and geotechnical conditions. You can earn a 5% commission by selling geotechnical design for sublevel open stoping on your website. Stope faces and side walls remain unsupported during ore extraction, while support for the country rock is developed as pillars are generated by stoping brady and brown, 2006. Generally a large scale open stoping method, it is often referred to as long hole or blast hole stoping. In some cases, the support from backfill can be used to achieve a complete extraction of an orebody. Geotechnical design for sublevel open stoping top results of your surfing geotechnical design for sublevel open stoping start download portable document format pdf and ebooks electronic books free online rating news 20162017 is books that can provide inspiration, insight, knowledge to. Geotechnical design for sublevel open stoping pdf, the first comprehensive work on one of the most important underground mining methods worldwide, geotechnical design for sublevel open stoping presents topics.
Geotechnical design for sublevel open stoping ebok. Minimizing dilution in open stope mining with a focus on. Featuring numerous case studies from the worldrenowned mount isa mines and examples from underground mines in western australia, geotechnical design for sublevel open stoping is both a practical reference for industry and a specialised textbook for advanced undergraduate and postgraduate mining studies. This research project was developed following the successful completion of a similar confidential research project completed at placer domes kanowna belle mine during 20022003. Oct 22, 2014 sublevel stoping underground mining methods 1. May 19, 2014 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. Geotechnical design for sublevel open stoping pdf ebook php. Building and calibration of a geotechnical model for. Offer pdf geotechnical design for sublevel open stoping ernesto villaescusa april 01, 2014 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. Geotechnical design for dilution control in underground mining. Buy geotechnical design for sublevel open stoping by ernesto villaescusa from boffins books in perth, australia. This site is like a library, use search box in the widget to get ebook that you want. Apr 01, 2014 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.
Optimising stope design and ground support a case study. Bulk mining has been successfully implemented at the project, using sublevel longhole open stoping primarysecondary methods. Ore is transported to the montana tunnels mill facility by truck. Design considerations for pillar systems in deep mines total extraction systems galvin, steijn and wagner 1982 16. Villascusa explains one of the most widely used mining methods in underground metalliferous mining to fourthyear undergraduate students, graduate students, and junior.
The diamond hill ore bodies and mine workings are in exceptionally solid unfractured rock and accordingly are amenable to low cost sublevel open stoping methods. Therefore, particular geotechnical conditions and operational standards for chilean sublevel stoping mines, are not being truly represented in the literature stability graphs. 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. Geotechnical design for sublevel open stoping pdf, the first comprehensive work on one of the most important underground mining methods worldwide, geotechnical design for. Geotechnical design for sublevel open stoping ernesto. It was developed over the years from a method originally known as short hole bench and train mining. Stope layout and design the mining method at gf consists mainly of transverse open stope mining where the ore bodies are greater than 10 m in thickness. Geotechnical design for sublevel open stoping top results of your surfing geotechnical design for sublevel open stoping start download portable document format pdf and ebooks electronic books free online rating news 20162017 is books that can provide inspiration, insight, knowledge to the reader. Bulk mining has been successfully implemented at the project, using sublevel longhole openstoping primarysecondary methods. Open stope design, projects, research foci rock mechanics. Geotechnical design for sublevel open stoping 1st edition.
A new empirical design approach has been developed for estimating unplanned dilution from open stope hangingwalls and footwalls. The method of underhand stoping in which the ore is drawn to the level above b, fig. Download 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. A total of 19 stopes were mined by sublevel open stoping with cemented rockfill crf.
The research encompassed both stope design and narrow vein longhole blasting. A safe and economical design may require a combination of physical, analytical, numerical, probabilistic or empirical excavation design tools that must be. The sma is an undeveloped mining area, located south of the existing underground mining areas currently in production at olympic dam. Geotechnical design for sublevel open stoping avaxhome. This thesis presents the results of three years of research which focused on minimizing dilution in open stope mining. Geotechnical design for sublevel open stoping by ernesto villaescusa english 2014 541 pages isbn.
After youre setup, your website can earn you money while you work, play or even sleep. Ground support design for sudden and violent failures in. Geotechnical design for sublevel open stoping, ernesto. Olympic dam has been investigating mine design options for the south mine area sma, which will continue using the existing sublevel open stoping slos method. Geotechnical design for sublevel open stoping ebook, 2014. The majority of stopes are 30 m along strike, 25 m wide, 80 m high and contain. Click download or read online button to get geotechnical design for sublevel open stoping book now. The advantages are the depth to which information can be obtained, and a relatively routine data. Sublevel open stoping requires extensive development in and around the orebody during preproduction. Despite the significant amount of data collected, chilean open stoping case studies were not considered. Open stope design open stope design and sequences in highly stressed rock masses. Open stoping in large tabular orebodies is susceptible to dilution from host rocks at the footwall and hangingwall stope interfaces as well as from. Geotechnical design for sublevel open stoping crc press book. Strength of pillar load of pillar mining is a dynamic system over time pillar loads may change significantly design considerations for pillar systems in deep mines design of pillars.
Geotechnical design for sublevel open stoping by ernesto villaescusa the first comprehensive work on one of the most important underground mining methods worldwide, stoping process used by most mining houses, in which a sublevel stoping geometry is chosen for a particular. Sublevel open stoping originated in the early 1900s in iron ore mines in michigan, usa. Drovera a western australian school of minescurtin university of technology, crc mining, locked bag 30, kalgoorlie, wa, 6430 australia. Geotechnical design for sublevel open stoping by ernesto. Specific studies were completed on the rock mass response to mining. Geotechnical design considerations for dugald river from slot. Geotechnical design for sublevel open stoping international. Covers the design and operation of sublevel open stoping, including variants such as bench stoping discusses increases in sublevel spacing due to advances in the drilling of longer and accurate production holes, as well as advances in explosive types, charges, and initiation systems.
The resulting design charts are based on quantifiable measurements of. The objective is to develop geotechnical guidelines for mine design. 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. The sublevel spacing is 25 m vertical floor to floor. The majority of stopes are 30 m along strike, 25 m wide, 80 m high and contain around 170,000 tonnes. The first full work on one of many crucial underground mining methods worldwide, geotechnical design for sublevel open stoping presents topics in response to the normal sublevel stoping course of utilized by most mining houses, throughout which a sublevel stoping geometry is chosen for a selected mining method, gear availability, and work strain experience. 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 wo. Sublevel stoping, sublevel caving, topslicing, and blockcaving require more stope preparation before ore extraction can begin. Download geotechnical design for sublevel open stoping pdf.
Approach depends on purpose of pillar and geotechnical conditions usual case. Geotechnical design for sublevel open stoping ernesto villaescusa. Offer pdf geotechnical design for sublevel open stoping. Building and calibration of a geotechnical model for sublevel. Ebook geotechnical design for sublevel open stoping as pdf. Pdf geotechnical design for sublevel open stoping americo. Its easy to get started we will give you example code.
Offer pdf geotechnical design for sublevel open stoping ernesto villaescusa april 01, 2014 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. Transverse stopes are mined from a footwall drive access either on a 30 or 60m sublevel spacing giving consideration to the local rock mass quality and stope shape relationship. Geotechnical design considerations for dugald river from. The objective here is to present a design methodology applicable to sublevel open stoping, but also to then bridge the gap between theory and practice by applying said methodology to an actual design example.
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