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The massive annual tonnage of iron ore tailings, plus the more demanding environmental policies after the catastrophic collapses of Fundão Dam in 2015 and Feijão Dam I in 2019, have forced Brazilian mining companies to search for more sustainable and safer alternatives for tailings disposal. The Brazilian mining industry has been studying …
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The selection of the adequate mining method is the cornerstone for mine planning and design. This selection depends on geological, geotechnical, economical, and environmental parameters. This paper's main purpose is to select the most appropriate mining method for the south body of Boukhadra underground mine (NE Algeria). To do …
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A series of laboratory experiments were conducted to examine the static and cyclic characteristics of coarse and fine iron tailings from the Yuhezhai iron mine in China, and coarse and fine copper tailings from the Bahuerachi copper mine in Mexico. The basic geotechnical properties including specific gravity, grain size distribution, plasticity ...
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T able 2: Electro-osmotic test results for iron ore tailings: measured and calculated parameters for different voltage ranges. Parameters Applied voltage (volt) 0 15 30 45 60 75 90
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Sublevel stoping is the most popular and practiced mining method in underground hard rock mines. Proper planning and its execution is the key requirement for stope extraction using this method. The stope extraction has been a challenging task since decades. The major reason is the unavailability of free faces as compared to opencast …
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The dry stacking of tailings, rather than the slurry disposal, is an alternative to overcome the safety-related issues of the tailings dams and to reduce the space required for the tailings' storage. The addition of small amounts of cement into the tailings before the stacking may enhance the engineering properties of the material, enabling the …
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Using a combination of experimental and numerical methods, this study examines the stability of the slope of Waste Dump#1 in Ziluoyi Iron Mine. We conducted direct shear tests on soil samples taken from the waste dump, which provided important insights into slope stability. The tests identified key mechanical parameters, including …
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Iron ore body is initially planned to be mined by using long hole mining method. Detailed geotechnical site investigation and laboratory work are carried out to assess the applicability of the ...
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The geotechnical information collected is stored in two databases, SABLE Warehouse and MineMapper3D before it is imported into the Datamine mining software package. The geotechnical parameters, mining rock mass rating system (MRMR), uniaxial compressive strength (UCS), fracture frequency per metre (FF) and rock quality designation (RQD), …
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and Indonesia. The iron ore tailings data was obtained from seven mines located in Western and South Australia. The nine sets of nickel tailings data were obtained from Western Australian nickel sulphide mines with both 'oxide ore and fresh hard rock ore. In addition, selected data from tantalite mine tailings and aluminum tailings in
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A geotechnical study was carried out to evaluate the rheology and mechanical quality of the host rocks. It is one of the key parameters that guided the …
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chemical analysis for iron ore. We have the locations, technical strength, independence, consistency and ethical compliance you need. Our unmatched network of over 100 …
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The mining industry produces large amounts of tailings which are disposed of in deposits, which neglects their potential value and represents important economic, social and environmental risks. Consequently, implementing circular economy principles using these unconventional geomaterials may decrease the wide-ranging impacts of raw …
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BHP Western Australia Iron Ore (WAIO) own and operate open cut iron ore mines in the Pilbara region of Western Australia. The pits are predominantly in Archean folded …
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presented iron ore tailing enhance knowledge of this material disposed in dams, whose stability and integrity are directly related to the effect of these parameters interaction and mobilization. 1 ...
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The geotechnical design parameters considered will make the method to be economical and safe for extraction, bearing in mind the prevailing ground condition of the mine. ... Geotechnical Considerations for Mining …
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Understanding the geotechnical properties of iron ore tailings is currently one of the major challenges in the mining industry. With transitions from drained to undrained conditions occurring in ...
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The abundance of mining activities continuously increases mine wastes/tailings that require storage/disposal. It is well understood that the accumulation of tailings around mines, and consequently, their spreading in the environment could cause serious ecological hazards. Reuse and recycling of mine tailing materials, in …
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The surface mine planning and optimisation techniques such as block modelling, pit optimisation, scheduling, stockpiling and reconciliation that are and have been applied at an existing iron ore ...
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Several techno-economic indicators are used in these stages and have a direct impact on mine planning. The research methodology proposes an in-depth study of the geotechnical parameters of the pit to be conducted in mine planning in a more reliable and assertive way, with the aid of 3D geotechnical modelling.
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The research methodology proposes an in-depth study of the geotechnical parameters of the pit to be conducted in mine planning in a more reliable and assertive …
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BHP Western Australia Iron Ore (WAIO) own and operate open cut iron ore mines in the Pilbara region of Western Australia. The pits are predominantly in Archean folded banded iron formations with some tertiary ... • A geotechnical model that provides realistic and credible lower case estimates for key parameters. • Analysis that includes ...
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Geotechnical parameters of the presented iron ore tailing enhance knowledge of this material disposed in dams, whose stability and integrity are directly related to the effect …
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Mafics are country rocks of the iron ore, which are normally covered by lateritic duricrusts. Based on geotechnical parameters, the mining nomenclatures for mafics are: unweathered mafic, weathered mafic with inferior resistance, weathered mafic with medium resistance, weathered mafic with superior resistance and semi-weathered …
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The outline is used to create an ultimate pit design with the recommended geotechnical parameters. The mining block model is further used in the mine planning process. Life of mine plans, 12-month rolling plans and six-week plans are done. ... Another challenge that disturbs the …
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Understanding the geotechnical properties of iron ore tailings is currently one of the major challenges in the mining industry. With transitions from drained to undrained conditions occurring in ...
WhatsApp: +86 18221755073
Enhancing mine energy efficiency and productivity necessitates the implementation of longer ore passes, exceeding 300 m, to optimise material transport in underground mass mining. This research has revealed sporadic historical use of extremely long ore passes, stretching beyond 500 m and reaching up to 650–700 m, in both …
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Geotechnical parameters of the presented iron ore tailing enhance knowledge of this material disposed in dams, whose stability and integrity are directly related to the effect of these parameters ...
WhatsApp: +86 18221755073
The dry stacking of tailings, rather than the slurry disposal, is an alternative to overcome the safety-related issues of the tailings dams and to reduce the space required for the tailings' storage. The addition of small amounts of cement into the tailings before the stacking may enhance the engineering properties of the material, enabling the construction of more …
WhatsApp: +86 18221755073
One of the major problems related to blasting operations in open-pit mines is the formation of cracks on the benches behind the last row of blast holes or back breakes. Power Deck blasting has been introduced as a new and alternative method for conventional blasting, which improves blasting results by explosive energy utilization enhancement. In this …
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