Underground hardrock mine design and planning bibliotheque et. The alimak mining method, which manroc prides itself as the inventor, uses an alimak raise climber to develop a raise in the ore body followed by drilling production holes in the ore body and. A pdf file reader is included to view these eiectronic files on an msdos. The five steps are all dependent on the raise climber, which. Technical description alimak scando 650 construction hoists. Golden star, manroc devt agree on alimak mining method. The mining rate includes the mining of both waste and ore. Mechanised mine development utilising rock cutting and. This project was completed mainly through the use of questionnaire sent to subcontractors in almost each country of the eu. This should also contribute to a more stable hangingwall. A true innovation in underground mining, the alimak method provides the highest safety standards in the industry, while increasing productivity, adding greater flexibility and maneuverability, and reducing overall mining costs. Underground mining methods and applications production headframe hans hamrin 1. Classification of underground mining methods mineral production in which all extracting operations are conducted beneath the ground surface is termed underground mining.
Both methods are well suited to extracting the relatively flat coalbeds or coal seams typical of. Apr 17, 2019 alimak mining method pdf raise climbing, widely known as the alimak mining method after the company that introduced it, is a variation on longhole stoping developed. Mar 27, 2015 construction of four deep and large diameter blind shaft for the passage of vertical gas pipelines duration. Unesco eolss sample chapters civil engineering vol. We apply the text processing language perl and the statistical language r to two text databases, an accident description database and a survey database. The room and pillar method is often used to mine smaller coal blocks or thin seams, and seam recovery ranges from 35% to 70%, with higher seam recovery rates applicable where retreat mining is combined with room and pillar mining. The alimak raising method consists of five steps, which together make up a cycle. Mining method, surface mining, open pit mining, open cast mining, placer mining, solution mining.
Alimak hek launches new traction elevators mining technology. Both methods are well suited for the metasedimentaryvolcanic rock that hosts the gold ores in. Gsc alimak raise climbing equipment begins climbing up the first raise. These drifts are driven from the shaft or established mining areas to the new ore zone. The other underground mining method commonly used in the united states is the longwall mining method. Mining industry response to the book continues to be incredible. In addition, the productivity of the method is not high during the mining cycle, since the bulk of the. Sep 06, 2019 wherever an elevator for inspection, emergency, or interlevel hoisting is required in mines and underground shafts, the alimak rack and pinion elevator is the.
Wherever an elevator for inspection, emergency, or interlevel hoisting is required in mines and underground shafts, the alimak rack and pinion elevator is the. The two industries ranked together as the primary or basic industries of early civilization. Alimak 32 alimak raising provides the safest of all entry methods involving the least risk to the. Construction of four deep and large diameter blind shaft for the passage of vertical gas pipelines duration. Alimak 2032 capacity electrical data payload capacity 2000kg power supply 415v50hz erection load 2000kg power supply fuses 80 ampere speed 40mmin 40mmin rated power cont. Technical description alimak scando 650 construction hoists your hoist has. The alimak method raises between levels in a safe and effective manner. Provide a guide to open source tools that can be used as a reference to do text mining method. Chapter 11 mining technology the federal coal leasing amendments act of 1976 charged ota to assess the feasibility of the use of deepmining technology on leased areas.
Classification of raising techniques raising techniques blind raising open raising compartm ent method alimak raise climber two levels. The alimak method consists of five steps which together make up a cycle. Usually, the development is done two years in advance of the production schedule. The alimak mining method raise climber mining conditions this type of mining is best suited to tabular narrow vein ore bodies with enough dip for gravity ore flow. It is a very lowcost, highproductivity method of mining. Raise climber mining method details the raise climber mining method will generally be comprised of the following steps.
The mining method mostly used is a transverse primary and secondary longhole method. Jun 12, 2019 alimak mining method pdf raise climbing, widely known as the alimak mining method after the company that introduced it, is a variation on longhole stoping developed. T ypical example s of this type of mining are the larger tonna ge coal mining operations in mpumulanga. The conceptual mine plan confirms that prestea is expected to be a sustainably profitable mine with a combination of the alimak mining method and sublevel open stoping method, and orewaste. A long hole stoping system for mining narrow platinum reefs advantages of this mining method it allows for a low safety and health risk as well as improved working environment. We can assist you with all your underground mining requirements. To assess this information and to extrapolate to the next twenty years, this approach has been reinforced using published. Included 1 raise climber with new spare g5 brake and motor. Cage raising involves a higher level of risk than the alimak raise climber method. Okubo encyclopedia of life support systems eolss surface mining methods and equipment j.
A long hole stoping system for mining narrow platinum reefs. The alimak method yields high tonnage and low dilution results, while reducing mining costs. Home mining equipment specific utilization vertical development raise alimak inc. May 26, 2019 raise climber mining method details the raise climber mining method will generally be comprised of the following steps. Okubo encyclopedia of life support systems eolss is essentially surfacebased. Hemlo shines canadian mining journalcanadian mining journal. Physical work is reduced and it is easier to motivate the workforce. The purpose of this bulletin is to provide to the mining industry the view of the. The fga series is an extractive sampling multigas analyser, which provides accurate measurement of carbon monoxide conitric oxide noand oxygen o2 in flue gases and calculates carbon dioxide co2 and nitrogen oxide noxallowing for better process control.
Surface mining can be classified into two groups on the basis of the method of extraction. Technical description alimak scando 650 construction. This expansion will ensure that alimak hek engineers give the best advice to choose the perfect elevator technology for customer applications. Another advantage is the improvement in grade due to better control of dilution, as.
First alimak raise climber in prestea underground nyse. Raise mining is a longhole method of bulk mining tabular narrow vein ore bodies. Nov 02, 2011 underground mining, underground mining methods. Alimak production mining, mine engineering, alimak raising, lateral development, narrow vein mining. Both methods are well suited for the metasedimentaryvolcanic rock that hosts the gold ores in the marathon district where hemlo is located. Sams mechanizes much of the work that in traditional underground mining is done by hand using long tom drills instead of handheld jack leg drills, for example. Alimak stoping method and supervisors in the underground mining industry.
A main wire rope hoist, suitable for carrying heavy loads at relatively fast speeds, is the primary means of vertical access for men and materials. For an arbitrary length of raise say 1,000 feet the resistance, r of the alimak raise. 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. Jul, 2019 alimak production mining, mine engineering, alimak raising, lateral development, narrow vein mining. These drifts are also driven from the shaft or existing development but, unless there is another lift, they often need only be large enough for the movement of supplies.
Alimak ab is iso 9001 certified iso 9001 is an international quality assurance standard, which provides the parameters for quality assurance systems. Aug 21, 2019 the alimak mining method raise climber mining conditions this type of mining is best suited to tabular narrow vein ore bodies with enough dip for gravity ore flow. In quebec mines, alimak raising was used in 63% of driven ore passes while only 3% were raise. Hemlo general manager andrew baumen says that gold ore is mined at the operation using two quite different mining methods. Alimak heks inhouse engineering department has vast experience based on the installation of over 22,000 rack and pinion elevator solutions. Mar 23, 2020 alimak mining method pdf posted on march 23, 2020 by admin raise climbing, widely known as the alimak mining method after the company that introduced it, is a variation on longhole stoping developed. Underground mining methods are usually employed when the depth of the deposit andor the waste to ore ratio stripping ratio are. Alimak raising makes use of a rack and pinion type system for the transportation of people into a pass with normal drill and blast methods. The standard states how the organization of a company, working methods, etc. Raise climbing, widely known as the alimak mining method after the company that introduced it, is a variation on longhole stoping developed. A pdf file reader is included to view these eiectronic files on an ms dos. Chapter 11 mining technology the federal coal leasing amendments act of 1976 charged ota to assess the feasibility of the use of deep mining technology on leased areas. Alimak stoping this method extracts the ore in horizontal rather than vertical slices. Cablebolts or rockbolts are installed in the hangingwall of the raise, to provide reinforcement for the mid span of the future stope hangingwall.
Alimak mining method pdf raise climbing, widely known as the alimak mining method after the company that introduced it, is a variation on longhole stoping developed. Choice of method welcome to the narrowvein mining project. Alimak hek mining technology mining news and views. Therefore, when narrower areas are encountered in these sectors, the mining method generally used to recover these stopes is the longhole retreat method. Nov 12, 2019 alimak production mining, manroc developments inc. An alimak stope is developed firstly by mining an alimak raise up the hangingwall contact of the orebody. The raise climber serves both as working platform and as a means of transport up to the work face. More selectivity the rxise drill holes make this method very effective in narrow veins. In underground mining, a raise refers to a vertical or inclined excavation that leads from one level, or drift, to another. 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.
Alimak raise climber pdf the alimak raising method consists of five steps, which together make up a cycle. 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. Raise mining the ralse radius is defined as the crosssectional area of the opening divided by its perimeter. This type of mining accounts for less than 5% of total underground production in the u. The alimak elevator is the perfect solution for underground, as well as aboveground mining industry applications, such as pelletizing plants, smelters, concentrators, and other ore processing plants. Mar 27, 2015 this feature is not available right now.
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