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Mining Revue最新文献

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Improving Technical-Economical Performance at Praid Saline Way of Rock Salt Roadheader Mechanized Mining 提高岩盐掘进机机械化采盐道技术经济效益
Mining Revue Pub Date : 2021-09-01 DOI: 10.2478/minrv-2021-0022
I. Onica, D. Marian, Viorel Mihăilescu
{"title":"Improving Technical-Economical Performance at Praid Saline Way of Rock Salt Roadheader Mechanized Mining","authors":"I. Onica, D. Marian, Viorel Mihăilescu","doi":"10.2478/minrv-2021-0022","DOIUrl":"https://doi.org/10.2478/minrv-2021-0022","url":null,"abstract":"Abstract Increasing the mining depth at Praid Saline and implicitly the state of stresses and strains determines an increase in the dimensions of resistance structures (pillars and ceilings). Furthermore, the seismic effect generated by the detonation of explosives contributes to the degradation of resistance structures. In order to reduce the destructive effect of drilling-blasting technology a proposal is made for the implementation of mechanized salt cutting technology which makes use of a roadheader. This article emphasizes the technical-economical implementation advantages of exploitation from the lower horizons of the New Sector, those of mechanized mining with a roadheader as opposed to the classical technology of drilling-blasting.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"5 1","pages":"17 - 29"},"PeriodicalIF":0.0,"publicationDate":"2021-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81751725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Possible Tunnels Execution Technology on Subsection E2 of the Highway A1 A1公路分段E2可能的隧道施工技术
Mining Revue Pub Date : 2021-09-01 DOI: 10.2478/minrv-2021-0025
I. Pascu, M. Georgescu
{"title":"A Possible Tunnels Execution Technology on Subsection E2 of the Highway A1","authors":"I. Pascu, M. Georgescu","doi":"10.2478/minrv-2021-0025","DOIUrl":"https://doi.org/10.2478/minrv-2021-0025","url":null,"abstract":"Abstract The paper aims to establish the design elements of the tunnels to be executed on subsection E2 of the Lugoj-Deva highway section, an integral part of the A1 highway. From the multitude of problems related to the execution of a tunnel, the paper investigates the following aspects: geotechnical investigations of the areas to be crossed by tunnels, analysis of tunnel stability, static checks of the final support/lining and, finally, a possible technology for their execution.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"102 1","pages":"45 - 63"},"PeriodicalIF":0.0,"publicationDate":"2021-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80247540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determination of Diagnostic Parameters of Power Plants Based on Internal Combustion Engines 基于内燃机的电厂诊断参数的确定
Mining Revue Pub Date : 2021-09-01 DOI: 10.2478/minrv-2021-0028
S. Zaichenko, Ümran Erçetin, R. Kulish, D. Derevyanko, V. Shalenko
{"title":"Determination of Diagnostic Parameters of Power Plants Based on Internal Combustion Engines","authors":"S. Zaichenko, Ümran Erçetin, R. Kulish, D. Derevyanko, V. Shalenko","doi":"10.2478/minrv-2021-0028","DOIUrl":"https://doi.org/10.2478/minrv-2021-0028","url":null,"abstract":"Abstract The presented article shows a method for finding monitored parameters for creating a diagnostic system for autonomous power sources based on spark ignition engines and diesel engines. The classification of structures of autonomous power sources based on internal combustion engines has been carried out. The analysis of the design features of the most common back-up power sources on the market based on internal combustion engines (ICE) indicates the widespread use of generators with a synchronous alternator. The analysis of the design features of autonomous power supplies has made it possible to develop logical models for different designs. The influence of the occurrence of a faulty state of each element on other elements of the systems is analyzed, and the results of the analysis are summarized in tables. An informative Claude Chenon criterion is proposed for finding the optimal number of diagnostic parameters among an infinite number of possible combinations of physical parameters that characterize the system. When solving the problem, a hypothesis was proposed about the equiprobability of cases of exit from the working state of each of the elements of the system. The use of Claude Chenon allows you to find the parts that make up the generators, which with maximum efficiency reduce the degree of uncertainty in the system. After determining the residual entropy, the parts of the system are selected, the state of which should be monitored by the diagnostic system. For such parts of the system, diagnostic parameters are found and methods for obtaining them are indicated.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"96 1","pages":"86 - 92"},"PeriodicalIF":0.0,"publicationDate":"2021-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82506189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Air Quality Monitoring in Jiu Valley 九河流域空气质量监测
Mining Revue Pub Date : 2021-09-01 DOI: 10.2478/minrv-2021-0026
L. Roman
{"title":"Air Quality Monitoring in Jiu Valley","authors":"L. Roman","doi":"10.2478/minrv-2021-0026","DOIUrl":"https://doi.org/10.2478/minrv-2021-0026","url":null,"abstract":"Abstract The paper presents air quality monitoring in Jiu Valley, which is carried out at HD-5 Vulcan monitoring station, starting with March 2010, allowing the obtaining of useful data for the rapid identification of polluted areas and for taking strategic decisions by competent factors and tactics to combat and prevent pollution. After highlighting the pollution sources in Jiu Valley, we present both the evolution of hourly and / or daily values of pollutants recorded at the automatic HD-Vulcan air quality monitoring station during 2020: SO2, NO2, CO, gravimetric PM10, Pb, Cd and Ni, but also the evolution of air quality for quality indicators, monitored in Hunedoara County (including Jiu Valley, at HD-5 station), during 2010-2020. Taking into account the average annual values of pollutants recorded in 2020 at HD-5 Vulcan station, the paper calculates air quality indices for each pollutant and then indicates air quality throughout Jiu Valley in 2020, establishing that air quality is good in this area, with a very low level of pollution and no effect on humans, ecosystems and materials.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"14 1","pages":"64 - 79"},"PeriodicalIF":0.0,"publicationDate":"2021-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73138227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Update of the Ventilation Network Related to Livezeni Mine Livezeni矿通风网络的更新
Mining Revue Pub Date : 2021-06-01 DOI: 10.2478/minrv-2021-0011
É. Bíró, S. Radu, Doru Cioclea, Ion Gherghe
{"title":"Update of the Ventilation Network Related to Livezeni Mine","authors":"É. Bíró, S. Radu, Doru Cioclea, Ion Gherghe","doi":"10.2478/minrv-2021-0011","DOIUrl":"https://doi.org/10.2478/minrv-2021-0011","url":null,"abstract":"Abstract The ventilation networks are associated with the set of underground mining works used for the extraction of useful mineral substances. Over time, the ventilation networks involve a change in the structure due to either the expansion or restriction of the mining works structure. For the establishment of air flows at the level of each active mining work, specialized programs are used at international level. These programs allow the modelling and solving of complex ventilation networks. The most advanced specialized programs are those from the VENTSIM range. The paper presents the updating of the ventilation network related to Livezeni mine, with the help of the VENTSIM program.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"54 1","pages":"1 - 5"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75347973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Monitoring and Forecasting of Surface Deformation at Victoria and Cantacuzino Mines 维多利亚和坎塔库西诺矿地表变形监测与预报
Mining Revue Pub Date : 2021-06-01 DOI: 10.2478/minrv-2021-0013
I. Onica, D. Marian, Ovidiu Marina
{"title":"Monitoring and Forecasting of Surface Deformation at Victoria and Cantacuzino Mines","authors":"I. Onica, D. Marian, Ovidiu Marina","doi":"10.2478/minrv-2021-0013","DOIUrl":"https://doi.org/10.2478/minrv-2021-0013","url":null,"abstract":"Abstract The underground mining of the rock salt deposit from Slănic started in 1665, with the Old Mines and continued in 1970, with Victoria Mine, then in 1993, with Cantacuzino Mine. The mining method applied at Victoria and Cantacuzino mines was the one with small rooms and square pillars, with which over 9.7 million m3 of rock salt were extracted. This very large volume of underground mining voids led to the convergence of the underground excavations and thus to the deformation of the surface. This article presents the analysis of the measurements of surface displacement and the prediction of its subsidence over time. Also, the main factors that contributed to the deformation of the surface are analyzed, namely: the dimensions of the underground voids, the mining depth, the geomechanical characteristics, the tectonics and microtectonics of the deposit, the hydrogeology and the effect of blasting.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"37 1","pages":"14 - 29"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86903705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using the PIV Techniques in the Expertise of Gas Explosions 在瓦斯爆炸专业知识中使用PIV技术
Mining Revue Pub Date : 2021-06-01 DOI: 10.2478/minrv-2021-0015
Nicolae-Ioan Vlasin, G. Gaman, Emilian Ghicioi, Gheorghe Daniel Floarea, A. Șimon-Marinică
{"title":"Using the PIV Techniques in the Expertise of Gas Explosions","authors":"Nicolae-Ioan Vlasin, G. Gaman, Emilian Ghicioi, Gheorghe Daniel Floarea, A. Șimon-Marinică","doi":"10.2478/minrv-2021-0015","DOIUrl":"https://doi.org/10.2478/minrv-2021-0015","url":null,"abstract":"Abstract Given the possibilities offered by PIV systems, it was considered appropriate to test them in the study of the formation of explosive atmospheres. In this sense, within the INCD INSEMEX Petroșani laboratories, a test stand was created subject to the conditions of applying PIV techniques. Thus, this stand was built of transparent materials, having the possibility to introduce, in the inner volume, the suspended particles and the combustible gas, being at the same time able to be sectioned by the light plane generated by a laser source and to provide the recording conditions using a CMOS camera. The physical experiments concerned both the situation of a normal atmosphere inside the test stand and the situations of the appearance of a fuel gas leak and an efficient source of initiation of the formed explosive atmosphere.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"23 1","pages":"42 - 48"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88067123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling of the Complex Ventilation Network Related to Livezeni Mine Livezeni矿复杂通风网络建模
Mining Revue Pub Date : 2021-06-01 DOI: 10.2478/minrv-2021-0012
É. Bíró, S. Radu, Doru Cioclea, Ion Gherghe
{"title":"Modeling of the Complex Ventilation Network Related to Livezeni Mine","authors":"É. Bíró, S. Radu, Doru Cioclea, Ion Gherghe","doi":"10.2478/minrv-2021-0012","DOIUrl":"https://doi.org/10.2478/minrv-2021-0012","url":null,"abstract":"Abstract In order to ensure the microclimate conditions for the exploitation of useful mineral substances underground, it is necessary to ensure the control of gas emissions from the field and from the exploited space. For this it is necessary to ensure a balanced air flow at the level of each active mining work in order to dilute the gases. Specialized programs are used to ensure the optimal distribution of air flows at the level of each mining work. The paper presents the modelling and solving of the ventilation network related to Livezeni Mine with the help of the 3D CANVENT program.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"317 1","pages":"6 - 13"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77192350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spatial Representation of Useful Minerals Deposits 有用矿藏的空间表示
Mining Revue Pub Date : 2021-06-01 DOI: 10.2478/minrv-2021-0019
M. Herbei, R. Herbei, L. Filip
{"title":"Spatial Representation of Useful Minerals Deposits","authors":"M. Herbei, R. Herbei, L. Filip","doi":"10.2478/minrv-2021-0019","DOIUrl":"https://doi.org/10.2478/minrv-2021-0019","url":null,"abstract":"Abstract Starting from the fact that in the mining industry and in general in the field of underground constructions, the topographic activity, regardless of which of its manifestations, conditions and substantiates the achievement of economic and technological objectives, implicitly resulting in the dependence between topographic precision and qualitative and quantitative performance of mining. The level at which the professional responsibility of the topographic activity, as a whole is engaged in the achievement of some proposed objectives, depends on the framework resulting from the technological complexity of the mining activity in the conditions of its restructuring and efficiency. Spatial representations of useful mineral deposits in the earth's crust, which meet the quality conditions necessary for the design of underground mining works, can be used to choose the most efficient methods of opening, preparation and exploitation of useful mineral deposits. These analyzes are the basis for the realization of underground topographic networks that have a precise connection with the topographic base at the surface. The use of stereographic projection and stereographic networks can be achieved by faithfully representing the tectonics and positioning of deposits of useful mineral matter inside the earth's crust.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"22 1","pages":"84 - 92"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80828751","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Environmental Impact Assessment Related by Energy Sector in Rovinari Mining Area 罗维纳里矿区能源部门环境影响评价
Mining Revue Pub Date : 2021-06-01 DOI: 10.2478/minrv-2021-0017
Crina-Adriana Gurică, M. Georgescu
{"title":"Environmental Impact Assessment Related by Energy Sector in Rovinari Mining Area","authors":"Crina-Adriana Gurică, M. Georgescu","doi":"10.2478/minrv-2021-0017","DOIUrl":"https://doi.org/10.2478/minrv-2021-0017","url":null,"abstract":"Abstract In this article an impact assessment is carried out, generated by activities in the energy sector related to Rovinari mining area. Energy-related activities in this area are carried out by open pit mining activities in the context of Tismana, Roșia, Pinoasa, Peşteana and Rovinari locations and Rovinari thermal power plant. Some information that has formed the input for the author’s approach has been provided by SC. Complexul Energetic Oltenia SA (CEO) and S.C. Institute of Scientific Research, Technological Engineering and Mine Designs on Lignite S.A. Craiova (ICSITPML) which has been processed, analysed and used for the presented environmental impact assessment. Two methods from specialized studies have been used for the impact assessment, namely: the Matrix Method for Rapid Impact Assessment (MERI) and the Method for Integrated Quantitative Impact and Risk Assessment of Environmental Pollution (EIRM). Based on the analysis carried out, it can be concluded that the activity in this sector does not lead to significant negative effects strictly associated with it.","PeriodicalId":18788,"journal":{"name":"Mining Revue","volume":"12 1","pages":"59 - 75"},"PeriodicalIF":0.0,"publicationDate":"2021-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90117318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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