Based on analytic survey and numerical modeling, the authors have defined initiation conditions for concentrated stress zones in tunneling and vertical driving, as well as in stoping. The research findings have been confirmed by in situ field research in rock masses with initially gravitational tectonic stress. The term “abutment pressure zone” is proved to be incorrect to for mining under higher horizontal stresses.
Key words: horizontal tectonic stresses, abutment pressure zone, dynamic events, numerical modeling, stress components, concentration factor, lateral pressure factor, stope, mine site.
The article presents experimental research data on influence exerted by tectonic faults on rockburst hazard at intersections of the faults and development entries within coal field. Geodynamic zoning allows determining tectonic structure of the coal mine field as well as anticipating and eliminating geodynamic risks as early as the mine planning stage.
Key words: mine field, geodynamic zoning, tectonic fault, block structure, panel, bed, mine roadway, extraction pillar, caving.
Razumov E.A., Eremenko V.A., Zayatdinov D.F., Matveev A.S., Grechishkin P.V., Pozolotin A.S.
CALCULATION OF ROCK BOLTING PARAMETERS FOR MINE ROADWAYS IN PERMAFROST ROCKS
Standard technique calculations and experimental tests enable to offer two-tiered strata bolting for temporary roadways driven in permafrost rock masses. With the objectives of achieving stability of roadway wall rocks and reducing melting and foliation of rocks, it is advised to construct roof support using combination of steel weld mesh and basalt warmth-keeping jacket.
Key words: Mine, permafrost, rock bolting, temporary roadways, roof, roof support.
Alenichev V.M., Alenichev M.V., Sakancev G.G.
DEEP MINING PLACERS WITH BESTRANSPORTNOY SYSTEM DEVELOPMENT
Sound method of calculating the basic parameters and indicators transportless mining system that allows a small investment of time to analyze a large number of options and choose the one most suitable.
Key words: transportless mining system, dragline, face settings, the height of the upper and lower ledges, volume reexcavation rocks.
Kosolapov A.I., Ptashnik A.I., Ptashnik Yu.P.
ANALYSIS OF POSSIBILITY PRODUCTIVE CAPACITY VARIATION ON OPEN-PIT MINING WITH SLOPING ORE DEPOSITS
The article about production intensity synchronization with market requirement regulation. It presents modern technological methods and analysis results of productive capacity intensification by management of stage exploitation conditions.
Key words: productive capacity intensification, temporarily non-working board, stage exploitation of open pit.
Panishev S.V., Ermakov S.A., Kaimonov M.V., Kozlov D.S., Maksimov M.S.
INTEGRATED TEMPERATURE MONITORING IN PERMAFROST HOST ROCK MASS OF KANGALASSKY COAL OPEN PIT MINE
The article exposes long-term observations over temperature behavior of permafrost enclosing Kangalassky coal open pit mine and in surface of blasted overburden rock in the course of sequential stripping of face by dragline. The authors reach a conclusion on the analysis of regelation of rocks to be performed seasonably: (1) spring–summer period and (2) autumn–winter period.
Key words: permafrost, regelation, temperature of rocks, open pit mining, average fragmented rock size, dragline.
Shein F.A., Gilev A.V., Homich U.A., Gileva N.N.
THE BASIS OF ME-CHANICAL SCRAPER COMPLEX OF TECHNICAL PARAMETERS FOR WATERY SCATTERING DEPOSIT
This is the implementation of the modern state application of roping scrapers based on watery mine and the construction of model stepping scraper with its geometrical, powerful and working parameters.
Key words: the watery deposit, walking (stepping)scraper, geometrical parameters, drive, hydrosystem, stability, ladle, punching.
Shipilova A.M., Semina I.S., Belanov I.P.
DYNAMICS OF DEPOSIT OF PRODUCTIVE MOISTURE IN SOIL COVERING OF MINING-INDUCED TERRAINS IN THE KUZBASS FOREST–STEPPE ZONE
The article discusses dynamics of productive moisture deposit in soil covering of min-ing-induced terrains in the forest–steppe zone of Kuzbass. The mining-induced terrain soil is represented by mine waste and embryonic earth: initial, organo-accumulative, sod and humus-accumulative. Accumulations of productive moisture in different kinds of embryonic earth are compared.
Key words: productive moisture deposit in soil, mining-induced terrain, embryonic earth.
ENRICHMENT OF MINERALS
Kaplunov D.R., Yukov V.A.
RADIOMETRIC BENEFICIATION DESIGN PLANNING IN UNDERGROUND ORE MINING
Estimation of sole or combined bulk scale and one-piece ore sorting impact on mine performance. Additional estimation of further heap leaching of low-grade pre-processing products.
Key words: feedstock ore, ore pre-processing, bulk scale ore sorting, one-piece sorting, combination flow sheet, integral performance criterion.
Ananenko K.E., Golsman D.A., Zashikhin A.V.
SIMPLIFIED SINK-AND-FLOAT TEST OF GOLD ORES AND PLACER GOLD AND THEIR PROCESSING PRODUCTS
The article describes the procedure of sink-and-float analysis for gold-bearing mate-rials and the procedure trial on placer gold.
Key words: primary concentrate rewash, particle size distribution, placer gold.
Ananenko K.E., Konnova N.I., Nikolaeva N.V.
FINE GOLD EXTRACTION IN PRIMARY CONCENTRATE REWASH
The authors describe primary concentrate rewash flow chart and its service experience on placer gold.
Key words: gravity concentration, placer gold, rewash, gold settling by pressure.
Artiomov S.V., Panshin A.M., Kritskaia M.G.
THE STUDY OF AEROSOL FLOTATION PECULIARITIES
The theoretical and experimental research of the influence exerted by time period of induction and relaxation of deformed adsorption layer of air bubble on the stability of wetting film showed that in flotation in mixture of dry air and saturated steam, selectivity of adhesion rises due to the wetting film stabilization. The developed method for calculating steam flow consumption in mist spray flotation requires is unneedful of empirical information.
Key words: mist spray flotation, induction time period, relaxation time period, wetting film stability, adhesion selectivity, steam flow consumption.
AN EXPERIMENTAL SUBSTANTIATION OF A TECHNIQUE OF DEFINITION OF THE CONTENT OF GOLD IN ORES WITH FREE GOLD
A technique of preparation for analyses of samples with containing free gold is developed. The technique is based on gravitational allocation of free gold from the milled ores in a concentrate, reception of poor tails, the analysis, and the subsequent calculation of the content of gold on balance of these products.
Key words: gold ores, free gold, preliminary concentrating, the «Running Wave» concentrator.
PROOF TEST OF VIBRATORY–GRAVITY CONCENTRATOR WITH GOLD-BEARING ROUGH STOCK AT A/S CHUKOTKA LLC
The authors propose a new vibratory–gravity concentration process for extraction of fine and very fine gold from waste and transition products of primary concentrate rewash.
Key words: fine and very fine gold, primary concentrate rewash, thin layer, segregation, vibratory–gravity concentrator.
TECHNOLOGICAL PRINCIPLES OF COMPONENTS EXTRACTION FROM A MASSIF BY BOTTOM-UP CAPILLARY LEACHING
The new technological approach of useful components extraction from a massif by bottom-up capillary leaching with superficial areal collection productional solutions is considered.
Key words: leaching, massif, bottom-up stream, capillaries, a reagent, productional solution.
Shadrunova I.V., Orekhova N.N.
NONFERROUS METAL RECOVERY FROM MINE AND DUMP WATER
At the present time economic acceptably and ecological reasonable methods for making recycle of shaft spillway and dump water technology it is cementation, galvanic coagulation, sorbtion. More difficult task — get a product which possibly utilize. In paper eventuate galvanic coagulation non-ferrous metals extract technology from shaft spillway and dump water: thermodynamic simulation, kinetic regularities metals selective extract, study phase structure of sediment, laboratory test on model and real solution.
Key words: Recycle, galvanic coagulation, simulation, factors, dump water, shaft spillway, model solution, laboratory test, extract, cooper, zinc.
MEASUREMENT, CONTROL, DIAGNOSTICS
Voznesenskii A.S., Kutkin Ya.O., Krasilov M.N.
NUMERICAL SIMULATION OF ACOUSTIC MONITORING OF THE ROCK MASSIF AROUND THE UNDERGROUND MINING EXCAVATION
Method of the numerical simulation of the electrical signal in the piezotransducer caused by cracks forming in the rock massif and inducing acoustic emission is discussed. The dependencies of the electrical signal amplitude at the output of the piezotransducer versus the crack’s length, their orientation and position relative to the surface area of the fractured rock massif around underground mining excavation are given.
Key words: cracks, rock massif, the surface, piezo-transducer, the electrical signal, acoustic emission.
Petrichenko V.P., Streltsov V.I.
IRON ORE DISINTEGRATION DURING BOREHOLE HYDRAULIC MINING IN THE KURSK MAGNETIC ANOMALY, CONSIDERING GROUND PRESSURE AND WAVE TECHNOLOGIES
The article substantiates methods of the Kursk Magnetic Anomaly ore disintegration using: air lift operating regimes that influence ground pressure; wave action on ore body.
Key words: borehole hydraulic mining, iron ore, disintegration, ground pressure, wave technologies.
Bashilov I.P., Zagorsky L.S., Levchenko D.G., Rybakov N.P., Chervinchuk S.Yu., Shkuratnik V.L., Om Astana, Pankaj Roy Gupta
TEST OPERATION OF SMALL SEAFLOOR SEISMIC DATA ACQUISITION MODULE AND RECONSTRUCTION OF VELOCITY PROFILE FOR TRANSIT AREA ON THE SHELF OF THE ARABIAN SEA
Small seafloor module (SSM) development and trials are described in the article. The trials were carried out on the coast of the Arabian Sea. The authors recount basic characteristics of SSM and measurement data obtained on a 400m-long bottom line, in the form of velocity profile down to depth of 2000m, reconstructed using the vertical seismic profile method (VSPM).
Key words: small seafloor module, shelf, seismic exploration, transit areas.
SVENTA AG THE BEST DRIVE – PROGRESSIVE STEPS
INTERNATIONAL EXPOSITION MININGWORD SIBERIA
Nabatov V.V., Gaisin R.M., Voznesensky A.S.
GEO RADAR DATA-BASED ASSESSMENT OF GROUND–AND-LINING CONTACT SURFACE QUALITY IN UNDERGROUND RAILWAY TUNNELS
This article describes application of GPR (Ground-penetrating radar) for subway’s tunnels testing. GPR is used for detection of bad contact between the lining and the ground. Data interpretation is based on preliminary geophysical test site studies, when contact quality is known.
Key words: applied geophysics, GPR, ground-penetrating radar, georadar, contact between the lining and the ground, concrete reinforcement, ringing noise, interpretation of results, Nondestructive testing, NDT, Tunnel Testing.
UNDERGROUND DEGASSING PIPE SYSTEM PRESSURE DETERMINATION
The article deals with the characteristics of pressure along the length of the podzem-pipeline system degasification of coal mines. The workshop will consider factors influencing quantitative assessment of changes in dilution degazacionnoj system.
Key words: methane, degassing, underground vacuum gas pipeline, degassing facility, methane and air mixture.
BUILDING OF UNDERGROUND CONSTRUCTIONS AND MINES
GEOMECHANICAL RISK EVALUTION DURING THE UNDERGROUND GAS STORAGE BUILDING
This article examines the current methods of construction of underground gas stor-age facilities. We study the geomechanical risks to reduce the probability of the adverse events during design and construction. It is also the estimation of the be-havior of salt massif and its possible defect types.
Key words: Underground gas storage, production-capacity, underground storage tanks, rock salt, salt strata, geomechanical risk.
THE CONCEPT OF SAFETY IN URBAN UNDERGROUND CONSTRUCTION
This article provides an analysis of conceptions of safety in urban underground construction. Safety systemized by the degree of natural-technical geosystem “rock mass – technology – underground structure – the environment”.
Key words: safety, underground construction, natural-technical geosystem “rock mass – technology – underground structure – the environment”, concept, hazard.
EFFECT OF GENETIC MOISTURE ON SELF-IGNITION OF COAL
Genetic moisture in coal – an essential component involved in the processes leading to their spontaneous combustion. Analytical moisture Wa involved in oxidative reactions as endothermic with organic and inorganic matter in coal. Moscow Basin coals at values of Wa from 10 to 15% become dangerous by spontaneous combustion.
Key words: genetic moisture, self-ignition of coal, humidity, oxidative activity, iron sulphides.
AUTOMATED CONTROL SYSTEMS
QUASI CELLULAR NETS. CIRCULATION AND CLASSIFICATION
There is a new type of dynamic discrete structires without signature. It named quasi cellular nets. There is different type of circulations and classification of this discrete structures.
Key words: Quasi cellular net, discrete structire, flow, circulation, classification.
Volkova P., Dmitrieva V.V.
WORKING OUT OF COMPLEX SYSTEM OF REGULATION OF THE BOILER UNIT
In given article the complex system of automation of the boiler unit is considered. For its creation the most important sizes are traced and interrelations between them come to light. The received dependences between the characteristic allow to construct the general scheme of regulation.
Key words: The boiler unit, complex system of regulation of the boiler unit, automation of boiler installation, the uniform scheme of regulation.
SYSTEM OF POWER SUPPLY SOURCE FOR PLD
This article shows the features of the power supply source projecting for PLD. It is shows the realization ways of voltage rectification and stabilization blocks and supply of voltage sequencing for PLD.
Key words: Power supply source, voltage rectification, voltage stabilization, PLD, voltage of power supply for PLD.
Lukichev S.V., Kornienko A.V.
PROGRAMMING TOOLS FOR LARGESCALE BLAST DESIGN AND AFTEREFFECT MODELING IN OPEN PIT MINING
The article presents MineFrame system programming tools meant for designing of largescale blasting in open pit mines, illustrates application of the tools in some mines and shows prospects of further development.
Key words: automated design system, drilling-and-blasting, largescale blast design, MineFrame system, open pit mining, controlled fragmentation zones, broken-rock disintegration modeling.
Novakov R.M., Taskin V.V., Sidorov M.D., Palamar S.V.
THE CATALOGUE OF DIGITAL COPY OF GEOLOGICAL REPORTS OF COMPANY IN THE MICROSOFT ACCESS AREA
Large amount of geological information was accumulated in Scientific Re-search Geotechnological Centre during last decades. The materials are reports from conducted explorations in digital and paper form. In the present paper developed system of available data storage, fast search and access is described.
Key words: geological information, digital copy of report, code field, Microsoft Access, hyperlink, analytical data.
MINING MACHINERY, EQUIPMENT AND TRANSPORT
Gegelashvili M.V., Burlakov I.R., Basiev C.G., Kritskaia M.G.
PERFECTION OF A CONSTRUCTION OF A VERTICAL MILL OF A COMPULSORY AUTOGENOUS GRINDING FOR RECEPTION OF A PRODUCT SUITABLE FOR THE SUBSEQUENT DRESSING
Results of tests of laboratory model of a vertical mill of a compulsory autogenous grinding are considered. The intense condition of a crushed material in the rotating case is considered.
Key words: crushing, a vertical mill of a compulsory autogenous grinding, a loose body.
Gorlov I.V., Poletaeva E.V.
MANAGEMENT OF NON-FAILURE OPERATION OF THE TECHNOLOGICAL MACHINES BASED ON THE STRUCTURAL MODEL ANALYSIS
A new approach to the management of non-failure operation of technological objects on the basis of the analysis of the structural models of peat machines that provides the highest efficiency of their use in the production season.
Key words: the restoration, repair, diagnostics, algorithm, information technology.
Dolzhenkov P.A., Dolzhenkov A.P., Shek V.V.
PROSPECTS FOR HIGHCAPACITY AND EXTRA HIGH-CAPACITY MINE DUMP TRUCKS IN KAZAKHSTAN OPEN PIT MINES
Operating experience of autodump-body trucks of the big load-carrying capacity at the mining enterprises of Republic Kazakhstan is described in article.
Key words: the Autodump-body truck, BelAZ.
Kislov N.V., Kazachenko G.V., Basala G.A.
STABILITY ESTIMATION OF POWER SHOVELS
The way of power shovel static stability estimation is offered and proved in the article. Static stability is estimated by an arrangement of the pressure centre relative to the centre of a bearing surface of the undercarriage. The most widespread undercarriages such as a crawler-mounted mechanism and a walking traverse mechanism with a round bearing plate are considered.
Key words: power shovel, stability, a core of section.
OPTIMIZATION OF OPERATION INDEXES OF THE ADAPTIVE FRICTIONAL CLUTCH WITH THE BIFUNCTIONAL ACTUATION DEVICE
On an example of an adaptive frictional clutch with the bifunctional actuation device executing functions of a press node and the squeezing stabilising device, the expediency of assignment of the big magnitudes of an amplification factor of a feedback for heightening of exactitude of operation, and its minimum magnitudes for an optimum combination of load ability and exactitude of operation of a clutch is displayed.
Key words: an adaptive frictional clutch, the bifunctional actuation device, exactitude of operation, load ability.
AEROLOGY, METHANE, SAFETY
SORPTION AND GAS-KINETIC PROPERTIES OF COAL AND COAL-BEARING ROCKS AND THEIR APPLICABILITY FOR IMPROVING METHANE EMISSION PREDICTION
The author has based and designed new methods and means for integrated coal and methane deposit development at enhanced safety and efficiency, without high finance and labor content or reengineering required.
Key words: gas heat exchange, mineral coal–gas, gas content of rocks, enclosing rocks, methane emission.
Vorobiev A.E., Moldabaeva G.Zh., Dzhimieva R.B., Beznoska N.
INNOVATIVE TECHNIQUES OF IN SITU OIL SHALE DEGASSING AND THERMAL DESTRUCTION
The article focuses on methods of oil recovery from hard minerals, in the first place, from oil shale. Selection of the most ecology-friendly and safe oil shale mining technology is built upon the developed set of mining efficiency determinants based on differences in characteristics of the required mineral, productive stratum and technology details.
Key words: oil shale, thermal treatment, kerogen conversion, liquid hydrocarbons.
ANALYSIS OF INTERNATIONAL EXPERIENCE AND SCIENTIFIC-TECHNOLOGICAL DEVELOPMENTS IN THE FIELD OF EXTRACTION OF CHEMICAL COMPOUNDS FROM GEOTHERMAL FLUIDS
Over the past decades, the world has gained experience in the use of thermal water and the waste fluid geothermal power plants as a non-traditional minerals. The article examines the processes and methods of extract chemical compounds from different deposits of hydrothermal fluid.
Keywords: geothermal solution, valuable chemical compounds, processes and methods of extraction.
Gridin O.M., Teplova T.B., Gogotov A.A., Doronin M.A.
APPLICATION OF DIAMONDS IN INDUSTRY AND METHODS OF PROCESSING
Diamond is known to man since ancient times. Over time, improved technology of diamond cutting and expanding the scope of this mineral. At present there are several methods of processing of diamonds, using mechanical, chemical or thermal effects, which enable to achieve nanometer surface roughness parameters Ra. The article provides a description of these methods with a list of the characteristics of each method and the results of the surface treatment of diamonds.
Key words: diamond processing method, surface roughness nanometer level.
Kolmykov V.I., Gorozhankin V.V., Romanenko D.N.
INCREASE OF DURABILITY OF SHNEKOVS CASES OF BORING CHISELS BY CHEMICAL HEAT TREATMENT
It is shown that high-temperature nitrocementation of shnekovy boring chisels from alloyed hromomargantsevy staly allowed to increase their durability, in comparison with the chisels reinforced by hardalloy inserts, more than by 4 times at the expense of fuller use of metal of the case. Thus nitrocementation in the highly active sating environment provided formation of superficial diffusive layers with a large number of firm tsementitny inclu-sions that caused high wear resistance and a samozatachivayemost of chisels in the course of work.
Key words: durability, shnekovy boring chisels, chemical heat treatment, hardening, hardness.
BASIS AND PROCEDURE FOR CALCULATION OF BLASTING PARAMETERS IN OPEN PIT MINES, CONSIDERING SIZES OF ELONGATED CHARGE COMPONENTS
The author presumes and demonstrates that effect of an elongated borehole explosive charge is mainly governed by combination of spherical and cylindrical symmetries in explosive fracture pattern.
Key words: elongated borehole charge, blastability of rocks, stemming size, blasted rock.
ECONOMY, MANAGEMENT AND PLANNING
ANALYSIS AND OPTIMIZATION OF THE DECISION-MAKING PROCESS ON THE BASIS OF THE EVOLUTIONARY AGREED SOLUTIONS
In this article, we propose a new expert forecasting method-MEA (method of evolutionary agreed solutions). MEAs is presented as a way of organizing collective work of people to make an agreed single solution. To optimize the MEA and accelerate the entry consolidated solution procedure is proposed to use the asynchronous exchange of options for solutions. We describe the rules and an algorithm for the interaction of the method applied to the network program.
Key words: expert method, MES (the method of evolutionary agreed solutions), iteration, expert evaluation, optimization of the process, competence, fore-casting.
INTRODUCIBILITY OF INDUSTRIAL ASSOCIATION ELEMENTS IN INTEGRATION OF INDUSTRIAL PLANTS IN THE PRESENT-DAY ECONOMIC ENVIRONMENT
The present article analyzes the integration processes occurring in the domestic industry both in a planned economy, and in modern market conditions. In article the basic positive elements of integration as a territorial production association which could be successfully introduced in modern conditions with real economic benefit are revealed.
Key words: integration, integration prerequisites, integration motives, experience, territorial industrial association, holding, industrial group
Petrova T.V., Hodich O.A.
INNOVATIVE DIRECTION TOWARD MORE COMPREHENSIVE MINERAL EXTRACTION IN COAL MINING
As an innovative direction toward more comprehensive mineral extraction in coal mining, it is offered to lay out a deposit into uniform production blocks meant for mining leases to be granted to coal mining enterprises. With the optimized spatial planning decisions reached as a result, this approach will ensure smooth coal mining at reduced capital costs and prime costs of coal, and decreased coal loss.
Key words: procedure, capital costs, mining prime cost, uniform production blocks.
CALCULATION OF METAL BALANCE IN SELECTING AND ECONOMIC SUPPORT SYSTEMS DEVELOPMENT OF ORE DEPOSITS
In the proposed method of calculating the balance of metal and pulled into the finished product (concentrate enrichment or black metal) values, including development of reserves of the deposit to the respective development system, with its rate of loss and dilution, enrichment of ore extracted from the corresponding extraction and metallurgical production. As the assessment criterion of a net pre-sent value NPV, formulated its mathematical model is deployed.
Key words: system development, enrichment, metallurgical processing, loss, dilution, balance recoverable metal value
Sibgatulin R.R., Fedorova G.V.
BALANCED SCORECARD AS A STRATEGIC CORPORATE FINANCE MANAGEMENT TOOL
The article analyzes strategic management of a company’s bankroll based on a balanced set of the company performance indicators in terms of the Uralugol JCS.
Key words: Balanced Scorecard (BSC), Key Performance Indicators (KPI).
ANALYSIS OF THE CURRENT STATE OF THE RUSSIAN COAL INDASTRY
The analysis of the financial condition of the coal companies in the period of the innovation of the industry.
Key words: Coal companies, financial resources, financial indicators, innovative de-velopment
Tsukerman V.A., Selin I.V.
BUDGETING PROCESSES AND MONITORING OF INTRA-PRODUCTION EXPENDITURES AT THE MINING ENTERPRISE
There are considered the budgeting system and monitoring of the mining complex enterprises allowing to obtain information necessary for making managerial decisions.
Key words: budgeting, monitoring costs, and industrial enterprises.
ELECTRIFICATION MINING ENTERPRISE
Kurchin A.V., Pichuev A.V.
PROSPECTS FOR ETHERNET-TECHNOLOGY IN THE MONITORING OF ELECTRICAL ENERGY CAREER
The article presents the analysis of the characteristics and applications of wireless telecommunications for the transmission of electrical energy consumption data. The tasks performed and the outlook for using Ethernet technology in the monitoring of mobile electrical career and creating a combined system of collecting and processing data on energy consumption in the processing areas career.
Key words: technology Ethernet, power, telecommunications, energy efficiency, electrical installation.
Sadridinov A.B., Pichuev A.V.
ENERGY ESTIMATES OF MINING OPERATIONS FROM RECOGNIZING THEIR IMPACT ON MAN-MADE ENVIRONMENT IN THE URBAN UNDERGROUND CONSTRUCTION
The article deals with current issues of energy efficiency evaluation of management of mining operations in the urban underground construction. The tasks and directions of improvement of methods and criteria for determining the energy efficiency, taking into account the environmental performance of manmade environment. The components of energy for the overall assessment of mining energy efficiency complexes.
Key words: energy efficiency criteria, tunnel machines and systems, urban underground construction, energy.
MATHEMATICAL AND COMPUTER MODELING
Redkin G.M., Konovalov A.V., Alexanov V.Y.
MATHEMATICAL MODELING OF AVERAGE NATURAL CLEAVAGE
The article describes the methods for determination of shape and spatial direction of average natural cleavage and blockiness of the rock mass, that have been devel-oped on the basis of fracture system frequency vector. Examples of these parameters determination are given for a part of Korobkovskoye deposit.
Key words: fracture system, fracturing, fracture system vector, average natural cleavage, blockiness.
Sokolov I.V., Antipin Yu.G., Smirnov A.A., Nikitin I.V., Baranovsky K.V.
SELECTION OF A MINEFIELD OPENING-UP SCENARIO IN COMBINED MINING BASED ON ECONOMIC AND MATHEMATICAL MODELING
The article offers classification of methods and schemes of underground deposit opening-up in combined mining and, based on that, rational alternative schemes are constructed. The efficient alternative and the optimum mining level height in opening-up of an underground copper–zinc deposit are determined using the developed economic and mathematical model and computer-aided calculation program.
Key words: combined mining, deposit opening-up method and scheme, economic and mathematical modeling, efficient opening-up alternative selection criteria.
MATHEMATICAL MODELING IMPACT GAS PRESSURE IN ROCK MASS
A mathematical model that takes into account the manifestations of the gas pressure in the rock mass, which is based on a set of problem-oriented program based on the concept of synthesis of a mathematical model of piecewise-homogeneous rock mass of blocks.
Key words: Mathematical model, rock massif, structural block, coal stratum, deads, adjacent strata, geologic fault, finite difference method, theory of elasticity selvage problem, synthesis, gravitation, gas.
DETERMINATION OF OPTIMAL SEMIVARIOGRAM MODEL ON THE BASIS OF THE METHOD OF THE GROUP ACCOUNT OF ARGUMENTS
The article presents algorithm for an optimal model of theoretical variogram to fit with experimental data. The mathematical model presented as a sum of variograms (de Veys, spherical, linear, etc.) is characterized by optimum complexity.
Key words: geostatistics, variogram, model of variogram.
CLASSIFICATION OF PARAGENETICAL COMPLEXES OF ROCK ROOF OF COAL SEAMS IN EAST DONBASS
Under consideration is a new approach to classifying coal seam roof rocks from the viewpoint of the roof stability. The author has found regular patterns in the range of roof rock types, which allows the roof stability estimation by lithological types and thickness of rocks.
Key words: seam roof, paragenetic complex of rocks, roof rock stability.
OIL AND GAS
DETERMINISTIC GUIDED-DRILLING TECHNOLOGY TEST
The issues of twisting and stabilization of a drill hole path with the pronounced predisposition to natural or self-induced “flattening” are discussed in terms of hole drilling operations in Central and East Kazakhstan mines.
Key words: hole drilling, geological conditions, flattening, drill hole path stabilization
Chernykh S.V., Menushenkov V.P., Skorodumov S.V., Zhukov D.G., Vidmanov I.M.
EFFECT OF INTENSIVE PLASTIC TORSION ON THE STRUCTURE AND MAGNETIC PROPERTIES OF CAST ALLOY ND9.5FE84.5B6
Effect of intensive plastic torsion (IPT) on the structure and magnetic properties of cast alloy Nd9.5Fe84.5B6 is studied using X-raying and differential thermal analysis (DTA) as well as vibration magnetometer. Structural composition of the IPT-affected specimen contains α-Fe, small amount of Nd2Fe14B and amorphous ma-terial amount of which depends on degree of strain. Next annealing of the deformed specimen causes solidification of the amorphous material, and nano-composite structure Nd2Fe14B/α-Fe is generated as a result. Maximum coercive force and magnetic energy are reached on the specimen exposed to deformation at a rate of 20 hammer cycles on Bridgman anvil (Hc = 4.5 kOe and (BH)max = 166 kJ/m3).
Key words: NdFeB; Intensive plastic torsion; Structure; Nano-composite Nd2Fe14B/α-Fe; Coercive force.
WORKS OF YOUNG SCIENTISTS
DESCRIPTION OF GEOMETRIC PRECISION OF THREAD TRACER USING GENERALIZED COORDINATES
Description on geometric precision of thread tracer used in shuttleless looms using generalized coordinates allows substantiating of geometric precision requirements of its manufacturing, with consideration of its functional and quantitative connection of deviation of its geometric shape, angular and linear sizes of its base surfaces.
Key words: thread tracer, geometric precision, coordinate systems.
STRATEGIC RISK MANAGEMENT IN DIAMOND MINING INDUSTRY IN THE REPUBLIC OF ANGOLA
Based on economic mechanism, the author develops operation procedure of defining bottom-line values of money flow components under project of risk management for a diamond mining company.
Key words: diamond market, risk management, investment project, risk assessment model
DEFINITION OF THE ULTIMATE QUARRY DEPTH USING MODERN MINING INFORMATION TECHNOLOGY APPLIED TO POWERFUL STEEPLY IRON ORE DEPOSITS
The paper considers methods for determining the boundaries of a quarry. The dependence of contour stripping ratio of the depth of quarry at different cut-off grade. Defined by a final depth of quarries and quarries contour built traditional method and a special computer program-optimizer.
Key words: defining boundaries quarry, the ultimate #mce_temp_url#
quarry depth, contour ratio, mining information technology, optimization quarry.
EXPERIMENTAL RESEARCH OF CHANGES OF THE GENERALIZED COEFFICIENT OF RESISTANCE WATER JETS GD-300 FROM THE DIAMETER OF THE NOZZLE
The article presents the results of experimental research of changes of the generalized coefficient of resistance water jets by state-300 from the diameter of the nozzle.
Key words: Hydro mechanization, coal cuts of Kuzbas, the diameter of the nozzle, generalized coefficient of resistance of the water jets.
APPLICATION OF MODERN DESIGN TECHNIQUES, INCLUDING 3D DESIGN, AND CREATION OF DIGITAL MODELS OF JSC GAZPROM INDUSTRIAL FACILITIES FOR USE AT ALL STAGES OF LIFE CYCLE
Promptly growing volumes of designing objects of the fuel and energy complex (FEC) necessitate acceleration of the process of preparing and designing working documentation. The article presents the project management aspects for the purposes of gas industry along with questions and ways of such technologies introduction.
Key words: designing objects of FEC, Multi-D model, project management, product life cycle.
PRINCIPLES OF ARRANGEMENT AND IMPLEMENTATION OF NATURE-AND-TECHNOLOGY SYSTEM SAFETY MONITORING AT KEDROVSKY OPEN PIT MINE IN KUZBASS
The author describes nature-and-technology system at Kedrovsky open pit mine, including combinations of different mining operations, characteristics of rock masses, conditions and properties of rocks and hydrogeology data. The article lists basic principles of the open pit mine infrastructure safety monitoring.
Key words: mine technical objects, nature-and-technology system, safety monitoring, mining safety.
Antoniu Tiagu Diash Duarte
SOCIAL MECHANISM OF REALIZATION OF COMPLEX STRATEGY OF THE KATOKA DIAMOND-MINING GRO MINING COMPANY
Process of strategic planning of social and economic development in system of complex strategy of the GRO "KATOKA" diamond-mining enterprise is considered.
Key words: mining enterprise, development strategy, diamond-mining complex, social and economic development.
DYNAMIC MODELLING OF AIRDISTRIBUTION IN MINE AS MEANS OF PREVENTION OF THE EXTRAORDINARY SITUATIONS
In this paper the negative effects of transient aerodynamic processes of mine ventilation were demonstrated. The effect of the temporary overturning of air flow was demonstrates. The example of out space reaction determination at arbitrary changing of air flow rate was given. The application of the dynamic mine ventilation networks calculation method for emergency planning was proposed.
Key words: mine ventilation networks, dynamic calculation, aerogasdynamic transition process.
Batugin A.S., Khotchenkov E.V.
IMPROVEMENT OF MINING AND ENVRONMENTAL MONITORING OF KARSTIC PROCESSES IN THE TIME OF MASTERING SUBSOILS AND EARTH SURFACE
With many types of constructing and condact of mining works the processes that lead to activate karst are started. The monitoring of karst is provided by instructional and normative documents for the actions that connected with subsoil using. In formed practice of holding the monitoring only fixation of new karstic formation takes place.
Key words: piping, karst, monitoring, heodinamic dangerous areas, geophysical methods of research, categories of stability of territory.
Belov A.V., Kondyrev B.I., Grebenyuk I.V., Skovpnev V., Sazonov M.V., Aliabbasov R.R., Belyaev S.A., Boyko Yu.N., Agoshkov A.I., Gulkov A.N., Solomennik S.F., Gulkova S.G., Maiss N.A., Golokhvast K.S., Lapshin V.D., Ksendzenko L.S., Ivanov V.I., Kunev V.D., Lushpei V.P., Vasyanovich Yu.A., Usoltseva L.A., Savchenko I.I., Sidorova N.G., Tonkikh A.I., Muratov N.A., Murzin V.A., Khmyrov V.S., Stolbov B.L., Shkabarnya N.G., Kotenko M.B. Muzychenko O.V., Utonova T.A., Tsuprik V.G.
PROBLEMS OF GEOESOURCE DEVELOPMENT OF THE FAR EAST. ISSUE 3
The trends of the use of coal as a natural fuel and a generous source of valuable chemical products, key methods of cleaning water from oil and oil products, basic types of natural oil sorbents with their advantages and disadvantages, short-distance transfer of gas in gashydrate state, prospects for conversion explosives application as industrial explosives for borehole charge blasting, issues of balance between “rational” and “efficient” human activity, soundness of resource use in fuel and energy industry, as well as position and challenges of Primorski Krai of the Far East Federal District in the heat and energy generation industry are discussed in the article. It is suggested how to diversify industry based on integrated resource-saving coal mining and conversion technologies. The article also introduces one of the most efficient methods of in-place oil processing and transportation to refinery; method of underground disposal of carbon dioxide and electric exploration procedure for complex-structure orebearing areas in Primorski Krai.
Skundin S.Z., Tancov P.N., Petrov A.G., Vanovskiy V.V.
THE DYNAMIC AIRFLOW CALCULATION OF MINE VENTILATION NETWORKS
CRC GENERATING POLYNOMIALS PARAMETERS DETERMINATION
Redkin G.M., Aleksanov V.Y., Konovalov A.V.
TENSOR OF CORRELATION
RATING OF SCIENTIFIC JOURNALS SCIENCE INDEX