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 …
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 ...
In this paper a case study of an Iron Ore mine is presented which deals with the design of stable steep slopes and evaluation of slope stability. The study included collection of data on various geotechnical, mining and geological parameters.
The Mine to Mill strategy at Batu Hijau has been to continually improve orebody geo-metallurgical characterisation and, via practical use of these data, to improve the ability …
It was concluded that the liquefaction potential of IOF is a function of the time of cyclic loading and initial moisture content. 1. Introduction 1.1. General Iron Ore Fines (IOF) is a product produced from refining iron ore and commonly has a maximum particle size of 6.3 mm and a natural iron content of approximately 40–60%.
The country exported 23 million metric tons (Mt) of iron ore, which was the leading metallic ore exported, by value, and accounted for $955 million of the total value of exports. …
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. ... The methodology was applied in an open pit iron ore mine located in southeastern Brazil. The topographic surface of the …
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 scheduling is related to geotechnical issues. The iron ore …
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 …
The geotechnical parameters of these rocks were measured in the rock mechanics laboratory of Central Institute of Mining and Fuel Research Dhanbad, India. The summary of the measured geotechnical parameters of the rock samples is given in Table 2. These geotechnical parameters have been considered in the models for numerical …
The researchers accomplished geodynamic zoning of the ore body, analyzed mining-and-geological and mine-technical conditions, and estimated parameters of physico-mechanical properties of host ...
Unsaturated shear strength parameters for a compacted iron ore tailings ... The processing of iron ore and mining generate significant amounts of tailings and waste rock, with an average ratio of 2 to 1 between the final product and the generation of tailings (e.g. [7]). ... Marinho, F. A. & Vargas Jr. E. A. (2020). Effect of Suction on the ...
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 ...
This content was downloaded from IP address 181.215.223.117 on 15/12/2021 at 13:54
Geological map of the Mining Complex. 1.2. Filtered Tailings The facilities that filter the tailings from the iron ore Plants inside the mining Complex are capable of filtering and processing approximately 54 million tons of tailings on a dry basis (filtrate) per year. The tailings pulp from the iron ore extraction process passes through cycloning
of heavy metals in water and surface soils of iron ore mining sites in Kuala Lipis and Bukit Ibam. 2 Materials and method 2.1 Sampling sites The study was conducted at Kuala Lipis and Bukit Ibam where both are iron-ore mining sites. Four sampling locations were identified in Kuala Lipis while another four sampling sites were in Bukit Ibam.
Brazilian mining giant Vale has inaugurated a new $1.37bn iron ore distribution centre in the Straits of Malacca, Malaysia. Known as Teluk Rubiah Maritime Terminal, the distribution centre can handle 30 million tonnes of iron ore a year and features a deep water wharf and five stockyards where different types of iron ore can be …
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 …
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 engineering properties of tailings are important for the safety evaluation and engineering design of tailing dams. In the present study, laboratory experiments were performed to investigate the geotechnical properties of four different tailings, including two iron tailings (coarse and fine) and two copper tailings (coarse and fine).
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 choice of a suitable mining method as well ...
Additionally, the study presents the slope design chart constituted for iron ore mines in Bizmişen region to contribute the further designs of open pits. Within the scope of this research, geotechnical fieldwork was carried out to gain geotechnical relevant data about the rock mass characteristics around the mine sites. Q-system, Rock Mass Rating
The issue related to the geotechnical stability of land mining area in Malaysia had become more critical after a strong earthquake struck Sabah, Borneo in 2015 centred in Ranau District where ...
In book: Proceedings of the 28th International Symposium on Mine Planning and Equipment Selection - MPES 2019 (pp.103-110)
Iron ore price over the last few . years, bring attention to Hematite exploration more than before. The conventional geophysical technique for iron ore exploration is magnetic method which is not a reliable means of targeting hematite mineralisation. The application of other techniques su. ch as gravity for hematite exploration has been
Geological Model: The in situ geological model prepared for Deposit-A has been used for the pit optimization exercise. Geotechnical Parameters: Geotechnical assessment has …
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
The composition of heavy metals (and metalloid) in surface soils of iron ore mine-impacted areas has been evaluated of their potential ecological and human health risks. The mining areas included seven selected locations in the vicinity of active and abandoned iron ore-mining sites in Pahang, Malaysia. Heavy metals such as Fe, Mn, …
to some old mining pools, detected a previously unknown probable iron ore deposit. Integrated mathematical modelling of the magnetic and gravity data shows a sizeable …
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
492 L. Tutluoglu et al. four operations of two surface and two underground mines in Karaçat and Karamadazi are actively working. Iron ore body is initially planned to be mined by
