Triple m mining pty ltd is also proud of our expertise in trackless and mechanized mining method s as well as fleet sourcing and maintenance disciplines. The optimization of mining method and equipment saimm. Matsui encyclopedia of life support systems eolss primitive hand operation to the mechanized and automated operation through the rapid progress of technology in production equipment and methods of extraction, leading to higher productivity and production. Compared to other mining methods, roomandpillar mining is a lowcost method with a low recovery rate since some ore is left behind in pillars. Pdf minerals and mineral products are the backbone of most industries. Grobler, general manager atprieska, discussed thehistory ofthemineand the considerations that led to the adoption of a trackless system of mining. However, labor is costly, and manual mining tech niques are inefficient. Pamwe mining services is your partner of choice for the provision of after market services related to underground trackless equipment support.
The first paper, trackless mining atprieska copper mine,was presented in two parts. Economical models enable the evaluation of diverse mining methods, and development work was elaborated on and is available on the site. Underground mining methods are usually employed when the depth of the deposit andor the waste to ore ratio stripping ratio are. Pdf mining method selection and optimization of transition from. The application of major hazard risk assessment mhra to eliminate multiple fatality occurrences in the us minerals industry by a. The extraction of pillars, largely by trackless mining methods, at randfontein estates gold mining company witwatersrand ltd by cam albert foster sweet a disertation submitted to the faculty of engineering, university of the vtwatersrand for the degree master of science in engineering july 1998. The trackless entry decline is a practical alternative if the portal location lies in. Pdf there are occasionally deposits with a potential of exploiting by a combined mining of open pit and underground. Effective maintenance practices for mining equipments dr. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Agenda geological concepts mining methods mineral processing methods mine waste management mining and money a future of mining. There have been a number of attempts to introduce different technologies into stoping, the most recent being trackless equipment. The choice of an underground mining method depends on a range of factors and these include. We specialize in the supply of spare parts, major components and consumables of all types for trackless equipment we supply spares for most known brands of underground trackless equipment at.
As it has been for 12 years, the handbook is available as a free download from our. Dec 20, 2017 this feature is not available right now. Mining methods the phenomenal rise in coal production, nearly sixfold in the past three decades, necessitated rapid but judicious mechanization of mining methods. Plotmaker mining methods blackout day presentation 5 th december 2008 venkat m. A trackless or mechanized mine refers to the use of rubber tired mobile equipment to advance the later development and haul the ore. While opencast operations are now fully mechanized employing large capacity earth moving equipment, introduction of machinery in underground workings has been gradual. It is possible however to use a dragline in combination with a.
As a trackless mining machinery and service supplier, sandvik mining has investigated. Mechanized bordandpillar mining is thus considered as a. With over 900 exhibitors across the indoor and outdoor. Review of successes and failures of mechanisation trials. Dec 05, 2008 plotmaker mining methods blackout day presentation 5 th december 2008 venkat m. The extraction of pillars, largely by trackless mining. Design and application of an efficient mining method for. Pdf mining methods underground mining mayra garcia. Tripathy department of mining engineering nit, rourkela769008. A mining method based on natural support seeks to control rock mass displace. Difference between opencast and trackless mining products. Mechanized bordandpillar mining is thus considered as a supplement to conventional mining, which accounts for the majority of current mining. Nov 02, 2011 underground mining, underground mining methods.
Yet, the method causes very little dilution as the contact between ore and waste is limited due to the waste being on top and ore being at the bottom. Mechanised, trackless development improves safety, production. The extraction of pillars, largely by trackless mining methods, at randfontein estates gold mining company witwatersrand ltd by cam albert foster sweet a disertation submitted to the faculty of engineering, university of the vtwatersrand for. In canadian hardrock mines, trackless mining and sublevel sroping require the use. Having the destress within the trackless target horizon maximizes the destress envelope. Some success had been achieved in the reduction of. The extraction of pillars, largely by trackless mining methods, at.
Mining industry response to the book continues to be incredible. Tunnels and underground excavations tunneling techniques. It is defined as a concentration of minerals that can be exploited and turned into a saleable product to generate a financially acceptable profit under existing economic conditions. Fanie has 21 years mining experience, he started his career as a trackless operator and held the position of mine overseer for 4 years before being recruited to join mms. Experience in the field of development covers both footwall off reef development as well as on reef development in different disciplines. The mining rate is greater than 20,000 tonnes per day tpd but is usually much greater. Three trackless mining methods are used, viz, the direct trucking, conveyordecline, and ore spiral methods. Trackless mining methods mms audits of trackless mining. Mechanised mining method refers to the use of trackless mechanised mining tmm equipment for both development and stope mining. T riple m mining specializes in developing mineral ore bodies from various approaches and methods.
With a heritage to be proud of and backed by 46 years of experience, electra mining africa is a showcase of the latest innovations across the mining, manufacturing, electrical and power industries. Kaolin is used operation gross water use, gallons per ton net water use, gallons per ton comments crushing dust control 1 6 nominal. He described the various mining methods considered, andthe reasons forthechoice ofalonghole. Review of successes and failures of mechanisation trials on. Optimisation of a mechanised platinum mining section. Underground infrastructure mining methods used underground are adapted to the rock conditions, and the shape, dimensions, strength and stability of the orebody. Coal is an organic sediment consisting of a complex mixture of substances. Our experience and expertise entails various mineral reef extraction methods and different stoping disciplines including narrow reef and high stoping width mining. With the improvements in trackless low profile machinery it is now possible to safely produce at a significantly reduced cost, and improved productivity. The xlp suite was tested at waterval from december 2003. Use of labour is much lower as compared to hybrid and conventional mining methods.
Acp anglo converter process, mcp magnetic concentrator plant, bmr base metals. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including, difference between opencast and trackless mining, quarry, aggregate, and different kinds of minerals. As a current student on this bumpy collegiate pathway, i stumbled upon course hero, where i can find study resources for nearly all my courses, get online help from tutors 247, and even share my old. Open pit mining mining methods 5 open pit mines are used to exploit low grade, shallow ore bodies. Mechanised, trackless development improves safety, production rates. Often the problem is approached with flexibility toward changes in design and in construction methods and with continuous exploration ahead of the tunnel face, done in older tunnels by mining a pilot bore ahead and now by drilling. Terms and definitions any word, phrase or term of which the meaning is not absolutely clear or. Team lead minex, india slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. As a trackless mining machinery and service supplier, sandvik mining has investigated ways to overcome the challenge of. Deep underground hardrock mining bibliotheque et archives. Kaolin clay mining and processing serve as an example. Mining methods in underground mining second edition 2007. Water control in underground mines grouting or drainage. Pdf the bousquet 2 mine is a trackless bulkmining operation utilizing both transverse and longitudinal stoping techniques.
Some pits operate at a rate of more than 100,000 tpd. It is not an exact science and in the choice of a method each varying factor has a certain weight, which, in many cases, experience alone can determine. As a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any sizereduction requirements, including quarry, aggregate, grinding production and complete stone crushing plant. Maintenance represents a significant proportion of the overall operating costs in the mining industry. The two industries ranked together as the primary or basic industries of early civilization. Thanks in large part to the efforts by john chadwick of the mining journal, and many other members of the mining community, the hard rock miners handbook has been distributed to over 1 countries worldwide. The modern industry has evolved by incorporating gradual improve. Here you will find, for each mine visited, the information collected on mining methods, challenges and innovative solutions, complete with documents, photos, plans and sketches. In any discussion of methods of underground mining comparison, one is repeatedly confronted with the difficulty of dealing with so many variable conditions. Both methods are well suited to extracting the relatively flat coalbeds or coal seams typical of. Both methods have advantages and limitations and their. Okubo encyclopedia of life support systems eolss surface mining methods and equipment j. The application of major hazard risk assessment mhra to. Classification of underground mining methods mineral production in which all extracting operations are conducted beneath the ground surface is termed underground mining.
Mining method, surface mining, open pit mining, open cast mining, placer mining, solution mining, leaching, stripping. Open pit mines are used to exploit low grade, shallow ore bodies. Underground mining methods previous next the choice of an underground mining method depends on a range of factors and these include. Centers for disease control and prevention national institute for occupational safety and health spokane research laboratory spokane, wa.