Qualification of geotechnical parameters with 3D geotechnical …
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.
Stabilization of iron ore tailings with cement and bentonite: …
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 …
Geotechnical applications in open pit mining
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), …
Design and Evaluation of Stability of Slope Geometry of an Iron Ore …
The scientific investigations were carried out at the Dharmapura Iron Ore Mine by studying the geological and geotechnical parameters and through an indepth numerical analysis. The results of analysis yielded fairly good FoS for working benches and provided safe ultimate pit slope angles for the quarry pit and dumps thereby indicating …
(PDF) Electroosmotic Dewatering of Iron Ore Tailings: A …
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
Characterization of an Iron Ore Tailing Sample and the …
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 …
Mining Technology Quali cation of geotechnical …
Qualification of geotechnical parameters with 3D geotechnical modelling to improve mine planning reliability Eduardo da Rosa Aquino1, ... applied in an iron ore mine. The methodology studies the geotechnics of the pit through 3D geotechnical modelling and uses the results as input data in
Risk Based Geotechnical Slope Reconciliation at Rio …
R.A. Dixon Senior Geotechnical Engineer, Rio Tinto Iron Ore ... of large open pit mines requires ongoing geotechnical assessment ... estimating input parameters for geotechnical slope design. ...
Controlling Backbreak and Improving Technical and Economic Parameters …
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 …
BHP Western Australia Iron Ore geotechnical open cut …
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 ...
Geotechnical Considerations for Mining Method Selection of …
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 …
Investigation of Steep Waste Dump Slope Stability of Iron Ore Mine…
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 …
Selection of new appropriate mining method: case of Boukhadra iron ore
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 …
A review on the geotechnical design and optimisation of ultra-long ore
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 …
Mapping surface deformation in open pit iron mines of …
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 …
Evaluation of Strength Parameters for Application in Cemented Iron Ore
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 …
A Critical Review on Potential Use of Iron Ore Tailings as
The two prominent methods for mine wastes management or storage are dams and dumps, according to Blight [].Mine tailing impoundments and dam failures are very common, and many literatures have reported this [13, 14] as a cause due to the geotechnical behaviour of tailings.The Fundao dam failure in 2015 [], Brumadinho dam disaster at Corrego do …
Estimation of soil porosity in mine tailing using parameters …
In particular, Jamiolkowski (2014) characterized the geotechnical properties and parameters of samples from copper tailing dam to analyze the stability. However, laboratory tests using samples generally have a limitation in simulating the in situ state, ... Iron mining waste is disposed of near mines and forms iron ore (hematite) tailings …
Best practices for geotechnical planning and design in open pit mining
The "Mavropigi" lignite mine ( Figure 1) is located in western Macedonia, Northern Greece, with an annual production capacity that ranges between 7 to 13 Mt of lignite corresponding to about 7.3% ...
(PDF) Obtaining resistance parameters in iron ore tailing …
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 ...
The role and importance of geotechnical engineering for a mining …
3. 3 generates. Open pit slope geometry (or slope angles) is at the core of mine design, it is determined based on rock mechanics principles by geotechnical engineers. It is in their custody to design stable slopes to produce the most value for the excavation. In a large open pit, a change of a slope angle by one degree can result in …
Qualification of geotechnical parameters with 3D …
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 …
Obtaining resistance parameters in iron ore tailing from …
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 …
Geotechnical Considerations for Mining Method …
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 ...
Geotechnical Considerations for Mining Method Selection of …
Geotechnical analysis plays an important role in determining mining method selection. This study presents the geotechnical design analysis of a potential U/G iron ore Mentes …
SciELO
Abstract. 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 seconds, recent dam problems have been a challenge to solve with classical soil mechanics, which provides few means to explain how such phenomena …
Qualification of geotechnical parameters with 3D geotechnical …
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 ...
Simplified flow chart showing typical iron ore …
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 ...
Behavioural analysis of iron ore tailings through critical state …
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 ...
Brockman Iron Formation: Typical Geotechnical Design Parameters
Table 1 and Fig. 3 present typical geotechnical design parameters used for modelling the Brockman Iron Formation in an iron ore mine from the Western Pilbara region. Non-linear failure criteria ...