361 hasil
Menampilkan 1–20 · 0,58 detik · RSS
Mining and Metallurgy Engineering Bor
ISSN 2334-8836 · Mining and Metallurgy Institute, Bor · 361 artikel di indeks
-
Artikel Jurnal Teks lengkap
Repurposing post-mining areas in the energy transition of Republika Srpska: Challenges and opportunities
The subject of this paper is the energy transition process in Republika Srpska, with a primary focus on the strategic repurposing of post-mining areas into solar power plants. The research examines the transformation of degraded technogenic land into potential energy capacities, contributing to…
-
Artikel Jurnal Teks lengkap
Wear resistance of diamond-coated WC tools when machining Al-12% Si
The study began with experimentally obtained wear curves for diamond-coated and uncoated tungsten carbide turning inserts after 100 min of continuous machining of Al-12%Si alloy. With the help of a mathematical model, more precisely, numerical interpolation methods, these curves have been…
-
Artikel Jurnal Teks lengkap
Evolution and comparative analysis of ASTM and EN ISO standards for triaxial soil testing
This paper presents the historical development of triaxial soil testing standardization and conducts a detailed comparative analysis between European/international norms (SRPS EN ISO 17892-8 and 9) and American standards (ASTM D2850 and ASTM D4767). Through a chronological review, the paper traces…
-
Artikel Jurnal Teks lengkap
Enhancing the tribological properties and extending the service life of cutting tools and industrial components using hybrid PVD and PACVD (DLC) protective coatings
Hybrid physical vapor deposition (PVD) and plasma-assisted chemical vapor deposition (PACVD) technologies for depositing diamond-like carbon (DLC) coatings represent a modern, environmentally friendly and engineering-based approach to the surface protection of cutting tools and tribologically…
-
Artikel Jurnal Teks lengkap
Geological characteristics of the "Strmosten" coal deposit in the Rembas-Resavica sub-bituminous coal mine
The Strmosten brown coal deposit, situated in the northern part of the Senje-Resavica Basin, has been the focus of long-term exploration to determine its reserves, quality, and geological framework. Investigations comprised field geological observations, drilling campaigns, underground workings…
-
Artikel Jurnal Teks lengkap
Selection of the optimal feeding variant for hammer crushers in order to achieve the designed parameters of crushed coal
The process of coal crushing for the Kostolac "B" Thermal Power Plant is carried out at the "Drmno" crushing plant using two hammer crushers of Czechoslovak production (PSP Engineering a.s. Prerov), type KDV 1137, with a nominal capacity of 1350 t/h, an electric motor power of 1000 kW, and a…
-
Artikel Jurnal Teks lengkap
Limestone aggregate purification as a part of the crushing and sieving at the "Kaona" quarry
As a part of the Main Mining Design for limestone processing at the Open Pit Kaona - Kučevo, a new Crushing Plant has been designed. This paper includes a part of technological process for additional cleaning of limestone with a fraction of -20+0 mm before the primary crushing.
-
Artikel Jurnal Teks lengkap
Technological and structural design of a conveyor underpass for the combined coal transport system from the roof exploitation zone of the Gacko-Central Field open pit mine
This paper presents the technological and structural design solution of a tunnel-shaped underpass constructed for the coal conveyor belt of a combined transport system, serving the Roof Exploitation Zone of the Gacko - Central Field open-pit coal mine. The underpass has a clear opening of 6.1…
-
Artikel Jurnal Teks lengkap
Determination of operating and maintenance costs of transport equipment in the development of exploratory mine workings in a lead and zinc mine
This paper examines the costs of mechanized transport used in the construction of exploratory underground corridors over a three-year period. During the execution of the works, data were collected on fuel consumption and spare parts required for the uninterrupted operation of the machinery. Based…
-
Artikel Jurnal Teks lengkap
Methodological approach to managing the development of a main mining design: A case study of the X-Ray plant at the Gacko open-pit mine
The paper presents an approach to managing the development of the main mining project for an X-Ray sensor-based coal sorting plant under complex technical and organizational conditions at the Gacko open-pit mine. The project team was virtual in nature, consisting of members from multiple countries…
-
Artikel Jurnal Teks lengkap
Settlement analysis of the large-dimensional shallow foundations founded on sand
In practice, a number of methods have been developed for calculating the settlement of shallow foundations on sand, but in general it can be said that there is no standardized calculation method. The practice has shown that when calculating the settlement of mat foundation of large dimensions…
-
Artikel Jurnal Teks lengkap
Maximizing opportunities by leveraging the strategic risk management within the scientific institute
The research is based upon the insights derived from the conclusions of Jonović et al. (2024) and aims to evaluate the effectiveness of Strategic Risk Management (SRM) linked to the COSO ERM (Committee of Sponsoring Organizations Enterprise Risk Management) framework. Implemented within a…
-
Artikel Jurnal Teks lengkap
Optimization of oil production using reciprocating pumps through corrective adjustment of operating parameters
This paper examines the optimization of oil production using reciprocating pumps through corrective adjustment of operating parameters. Considering the challenges posed by Industry 4.0, such as increased demand and the need for more efficient resource use, the study highlights the importance of…
-
Artikel Jurnal Teks lengkap
Technological and structural solution for the strengthening of the load-bearing structure of the crusher facility Drmno
This paper presents the technological and structural solution for the reinforcement of the main load-bearing steel structure of the crusher facility at the Drmno open-pit coal mine near Kostolac. The structure in question is part of a coal crushing plant exposed to dynamic and static loads over…
-
Artikel Jurnal Teks lengkap
The effect of cupric ions on the corrosion behaviour of brass CuZn42 in an acid environment
This paper presents the results of research on the corrosion behavior of brass CuZn42 in an acidic environment, in the presence of copper ions. Based on the recorded anodic polarization curves, it was concluded that as the concentration of copper ions in the tested solution increases, the corrosion…
-
Artikel Jurnal Teks lengkap
Evaluation of the corrosion resistance of steel elements from electrolytic refining plant
The aim of this paper is to present a method for determine a model for accelerated corrosion testing of S235 steel. The experiment was conducted in two parts. In the first part, steel specimens were placed in the Electrolytic Refining Plant, in real conditions, in a indoor. This part of the…
-
Artikel Jurnal Teks lengkap
Impact of the mechanized excavation on the slope stability of the "Gacko" open pit
Maintaining the open pit slopes in a stable condition requires compliance between the geometrical parameters of the open pit on one side and the pit-technical conditions, physical-mechanical properties of the rocks and hydrogeological properties of the deposit on the other side. When the…
-
Artikel Jurnal Teks lengkap
Evaluation of coal use in the energy sector
In many countries, coal plays a primary role in ensuring energy supply security. As a competitive fuel, it directly affects the economic value in the production of steel, cement, and, most importantly, in the generation of electricity and heat. A diverse energy mix with controlled use of coal can…
-
Artikel Jurnal Teks lengkap
Clean energy technologies: The impact of renewable sources on the environment and energy security
Renewable energy sources have a significant potential for improving the development of mankind. Energy obtained from the renewable sources, such as water, wind, solar and biomass, among others, can facilitate access to clean and safe energy for millions of people. It can provide an incentive for…
-
Artikel Jurnal Teks lengkap
Application of the mineral processing methods in recycling the waste printed circuit boards
Development of the modern society has resulted in the production of various electronic equipment that becomes obsolete very quickly. This outdated equipment has been dumped on the landfills for many years. Electronic waste contains a significant amount of useful elements, so it represents a real…