Source: http://www.misd.ru/publishing/proceedings/vol2/
Timestamp: 2019-04-19 14:29:22+00:00

Document:
Kaplunov D. R., Rylnikova M. V., Radchenko D. N., and Milkin D. A.
ABSTRACT: The present-day trend for the more complete and comprehensive exploitation of the most of developed or promising ore deposits makes the grounds for a new approach to issues of the mineral commodity flow management. The authors propose the scheme, providing the comprehensive mineral deposit exploitation by using complex physicotechnical, and physicochemical geotechnologies for rational utilization of natural and technogenic raw materials with consideration for specific mining-geological and mining-technical conditions.
ABSTRACT: The cluster approaches are used as the basis to develop the process for integral extraction and utilization of mine methane at the high-intensity mining of gas-bearing coal seams. The process was tested at mines of the Kuznetsky Coal Basin.
ABSTRACT: The basic principles of geotechnologies for deep underground mining of strategic mineral ores are set forth. The principles make it possible to work out main trends in the technogenic geoenvironment formation with account for safe and profitable mining production under higher rock pressure and complicated hydrogeological and gas-dynamic mine conditions.
Oparin V. N. and Skritsky V. A.
ABSTRACT: Based on the zonal rock disintegration around underground mine workings, the authors explain the reasons for air penetration into worked-out and isolated mine goafs and spontaneous coal combustion spots as a consequence.
ABSTRACT: The global tendency, observed in the mining-system-design theory deals with the elaboration of standardized technological and technical solutions. In general, designers used to employ the standardized solutions in the form of complete mining technologies or separate mining operations, applicable for a single section or a mining complex as a whole. The standard design solutions are generalized as geotechnological modules, feasible to be adapted to specific mining conditions in a number of mining projects.
Kurilko A. S., Popov V. I., and Zakharov E. V.
ABSTRACT: The authors present the model, imitating the effect of the sign-variable thermal treatment of lumpy ore on the stress-strain state evolution in it.
ABSTRACT: The authors formulate the problem on evaluation of the maximum-optimal underground and open coal production in the Kuznetsky Coal Basin, and give the aggregated solution to the problem in question by unconstrained optimization.
Ruban A. D., Zakharov V. N., and Zaburdyaev V. S.
ABSTRACT: The combination of underground coal mining and concurrent methane drainage is considered as the most efficient integrated process for extraction and utilization of methane.
ABSTRACT: The mining conditions at the southern section of the Zapolyarny Mine are described. The authors discuss alternative mining technologies applicable to develop additionally explored ore reserves and their specifications.
ABSTRACT: The research data on properties of fill mixtures produced from tailings of the Noril’sk copper-nickel ore preparation plant are presented. The mechanism to improve the quality of fill mixtures with no extra cement consumption is found. It is established that the use of a complex binding agent prevents the fill-mixture disintegration, lowers water separation, and eliminates the sludge sedimentation onto the fill mixture surface. Stowing-materials with different time of solidification are developed.
Eremenko A. A. and Eremenko V. A.
ABSTRACT: Recordings of seismic, dynamic events and explosions at the Tashtagol and Sheregesh deposits are analyzed. The authors identified the character and peculiarities of natural and technogenic mining factors. The established regularities and dependences make it possible to evaluate the feasibility to reduce risks and after-affects of mining-induced catastrophes.
Fedorin V. A., Shakhmatov V.Ya., and Anferov B. A.
ABSTRACT: The authors substantiate innovative approaches to the underground chamber-and-pillar mining of thick coal seams under complicated mining and geological conditions. The perspective feasibility to apply the process in the Tom-Usinsk region, Kuzbass, is highlighted.
Kortelev O. B., Cheskidov V. I., Molotilov S. G., and Norri V. K.
ABSTRACT: The up-dating of the machinery and processes for truck dumping is discussed in the paper. A mobile transshipment station is proposed for dumps of the critical height, when the controlled dump deformation mode can be applied.
Smychnik A. D., Shemet S. F., and Shutin S. G.
ABSTRACT: The issues of preparation of mineral ore beds prone to salt and gas outbursts are considered on the example of the Starobinsky potassium deposit. The process for detection and liquidation of gas-dynamic event focuses is proposed. The new-developed process involves geophysical exploration of a rock mass and depressurization in the detected gas-bearing faults.
Pavlova L. D., Fryanov V. N., and Kornev E. S.
ABSTRACT: The procedure for calculation of loads acting on powered supports along a longwall face is described. Specifications of the powered-support interaction are preset with account for the yield and the load of supports. It is possible to forecast the character of mutual powered supports — roof rocks interaction as a single system.
ABSTRACT: The author presents specific features of the device designed to fracture rocks by using a plastic explosive, first charged into a blast-hole and then dynamically pressed into formed fractures. Two versions of the device are described, namely, their peculiarities and scope of their application for fracturing of both weak and hard rocks. The feasibility to perform the controlled fracturing with formation of a long-distance single continuous fissure of the wanted orientation is demonstrated.
Chernai A. V. and Ishchenko A. K.
ABSTRACT: The laboratory research data on development and feasibility evaluation of rational blast-hole explosive charge design and a blast layout at a deep mine working are reported.
ABSTRACT:The procedure for calculation of production loss in pillars left between dredge-passes makes it possible to evaluate analytically the loss volume or technogenic alluvial reserves. The new-developed dredge to mine an alluvial deposit with the minimum loss of mineral raw materials is described.
Lekontsev Yu.M. and Sazhin P. V.
ABSTRACT: Laboratory investigations into variations in physicomechanical properties of rock interlayers within a coal seam «Abramovsky» at the Romanovskaya Mine, make the grounds to evaluate the performance of the controlled hydrofracturing employed to weaken such interlayers.
Wilkul Yu.G., Slobodyanyuk V. K., and Maximov I. I.
ABSTRACT: The authors identify conditions for concurrent use of several load/unload stations, optimal number and basic operational parameters of the stations. The economical efficiency of production flowsheets with several load/unload stations is evaluated for Ukrainian iron ore mines.
ABSTRACT: In Yakutia the system of horizontal layers with goaf stowing and the use of longwall miners is practised for underground mining of kimberlite pipes. Available mining layouts, applicable to extract kimberlite ore bodies, are classified and typified. Criteria for their choice are substantiated.
Rylnikova M. V. and Ex V. V.
ABSTRACT: The classification of geological resources is given in terms of their formation and trends of their perspective comprehensive exploitation. Basic problems in the development of processes for profitable involvement of technogenic resources into exploitation are formulated.
ABSTRACT: The resource potential of the Kuznetsky Coal Basin is estimated. The author reviews the industrially tested, new-developed processes for underground coal mining. The present-day trends in the Kuzbass coal industry are briefed on.
ABSTRACT: The available processes for degassing of coal seams are studied. The mine methane utilization processes are classified in terms of the systems, developed by the Design and Technical Development Department, Technical Management Board, OAO «OUK Yuzhkuzbasugol» within 2001–2008. The classification is based on the analysis of the full-scale introduction of these technologies in Germany, Poland, Russia, Kazakhstan, Australia, and China with consideration for Article 6, Kyoto Protocol on peculiarities of introduction of effective mine-methane utilization technologies in European countries and Russia.
Varfolomeyev E. L. and Kassina O. V.
ABSTRACT: It is shown that the preliminary stoping front with trenching improves ecological safety and expands the scope of operation for a deep-seam miner.
ABSTRACT: Reasons, motives, opportunities, and resources to diversify the activity of the iron-ore mining company are highlighted. Certain public circles: shareholders, investors, administration, workers, population of the region and the state are interested in diversification of the activity of the company, which plays the constitutive role in the urban development. Every entity and an individual have their specific aims and expect some beneficial result. The analytical data and strategy of the diversified activity of the iron-ore mining company, engaged in development of rock deposits and secondary resource formations are reported.
ABSTRACT: The icing of air roadways is considered at plus-degree temperatures under conditions of intense evaporation at downpour points and low specific humidity. The criterion based on values of wet bulb temperature is proposed for this kind of icing.
Molotilov S. G., Tanaino A. S., and Norri V. K.
ABSTRACT: The mobile transfer hopper is proposed for heavy-duty excavator-truck complexes comprising a receiving bin to discharge a bucket of a dredge-line excavator and a loader for trucks. The hopper is mounted on a self-propelled chassis with a screw mover. The authors consider a number of process flow charts, involving the use of a mobile hopper to cut a stripping edge by high benches.
ABSTRACT: Substantiation of necessity and peculiarities of the systematic approach to the problem of control of the underground infrastructure stability under megapolis conditions are given.
ABSTRACT: The authors present the coal grade classification, based on the facet method and developed to represent application properties of coals. It is shown that the application properties of coals depend on the character and magnitude of each coal property. When evaluating a coal grade and a market coal product price, the emphasis is placed on the grade parameters, differing in the product life cycles and in number of estimated coal properties.
Cheskidov V. I., Molotilov S. G., and Norri V. K.
ABSTRACT: Research data on resource and labour intensity of the granite extraction at the «Novoe»deposit, the Gorny Altai, are provided. It is reasonable to employ a Derric-crane to load marketable stone blocks.
ABSTRACT: Recommendations are worked out on formation of transverse systems for open mining of inclined and steeply dipping coal seams.
ABSTRACT: The mine test data on weakening of a rock interlayer within the coal seam «Abramovsky», the Romanovskaya Mine, are reported. Based on laboratory studies of variations in the physicomechanical properties of the test interlayer, the interval hydraulic fracturing was selected as a test method. The tests proved the efficiency of the process for weakening of the rock-interlayer strength with the higher coal yield from seams of this type.
ABSTRACT: It is confirmed that the main quantity of gas outburst, appreciably exceeding the gas content in the seam, releases directly from the broken coal and can be explained by methane evolution from separated fragments of coal fringe in the process of coal failure.
ABSTRACT: The author presents test results on selection of the optimal temperature regime parameters at Far-North coal mines with consideration for power industry and economics requirements. It is proved that there is the optimal temperature of air heating at a longwall face, the most efficient air-heating is provided by the distributed power sources. Basic criteria for the air temperature choice at mine workings are substantiated.
Kortelev O. B. and Resnik A. V.
ABSTRACT: The evidence on the associated valuable mineral occurrence in overburden strata at lignite deposits «Katek» is reported. The processes for mining and utilization of the associated valuables are proposed.
Bobyl’sky A.S., Cheskidov V. I., and Kortelev O. B.
ABSTRACT: The foreign underwater mining experience is reviewed to substantiate the proposed processes for development of watered deposits at the Kansk-Achinsk Basin.
Grishin A. A. and Kortelev O. B.
ABSTRACT: Deposits «KATEK» and hydrological conditions, hampering the open mining of coal seams, are characterized. Processes for drainage of open-pit fields are discussed.
Alexandrov A. N. and Kortelev O. B.
ABSTRACT: Specific features of price determination and the estimated mine construction case are outlined. Basic trends in improvement of pricing and an estimated case are highlighted for construction of plants, buildings and engineering structures.
ABSTRACT: Trends in application of estimated coefficients for the mine construction pricing in Siberian mining regions are identified. Examples of cost estimates for building and installation works on the basis of deflator-indices, indicating variations in an economical situation and the inflation rate, are given.
Paleyev D.Yu., Lukashov O.Yu., and Kosterenko V. N.
ABSTRACT: Capabilities of computer technologies to simulate an emergency ventilation case are demonstrated on the software complexes «Mine aerology (Ventilation)» and «Nonstationary ventilation».
Paleyev D.Yu., Lukashov O.Yu., Vasenin I. M., Shrager E. R., and Krainov A.Yu.
ABSTRACT: Research works on development and substantiation of the gas-dynamic process for calculation of parameters of explosive air shocks at coal mines are reviewed.
Paleyev D.Yu, Balagansky M.Yu., and Krivolapov V. G.
ABSTRACT: The goafs, formed in the course of coal extraction, are distinguished for intensive processes which appreciably effect aerodynamic parameters of the entire mine ventilation network. The process for ventilation of mine workings and goafs as a single system is proposed. The calculation of air distribution in a number of ventilation networks at extraction areas is presented.
Kosterenko V. N., Vasenin I. M. , Paleyev D.Yu, and Vashchilov V. V.
ABSTRACT: Nonstationary gas-dynamic model of mine working ventilation is formulated as a closed differential equation set, written for mine workings and their conjugations. The natural draft, generated by the main fan, is calculated as an illustration.
Krivolapov V. G. and Paleyev D.Yu.
ABSTRACT: The numerical modeling of interaction between a blast wave and distributed water barriers in single development entries is applied to demonstrate that variations in constructive parameters of water barriers can be utilized to lower the blast wave intensity down to a safe level along with the well-known function of extinguishing a fire front induced by the burning coal dust.
Lukashov O.Yu. and Paleyev D.Yu.
ABSTRACT: At coal mines the gas and coal dust explosion induces the formation of shock-wave systems which propagate at mine workings with multiple reflections and complex mutual interactions. When working out the emergency response plans or executing the mine-rescue work, it is very important to account for wave effects correctly, as this estimate reliability influences the accuracy of evaluations for a blast area, a barrier and ventilation infrastructure.
ABSTRACT: The critical analysis of the investigation data on reasons and the initial place of methane ignition at the Ul’yanovskaya Mine is performed.
ABSTRACT: The environment protection measures are worked out. They include the new-developed process for open mining of residual coal reserves and rehabilitation of the environment concerned.
Cherdantsev N. V. and Presler V. T.
ABSTRACT: The calculation data are obtained on the 3-D model of the geomechanical state of a rock mass of the regular strength anisotropy, containing a horizontal mine working of a square cross-section. The disturbance patterns for different parameters of the medium are derived. Special parameters are employed to estimate the man-induced disturbance of the rock mass.
Lyakhomsky A. V. and Perfil’eva E.N.
ABSTRACT: It is verified that the higher power consumption efficiency due to the better energy resource control is one of possible solutions to the problem of the technogenic medium formation with the reduced ecological load at the expense of the lower power consumption.
ABSTRACT: The authors report the results of pilot production tests of the new mining process, involving caving of ore and host rocks by employing mobile machinery at the Zapolyarny Mine, ZF OAO «GMK Noril’sky Nickel».
Freidin A. M. and Neverov S. A.
ABSTRACT: The advanced resource-saving geotechnology is described for underground chamber-and-fill mining of mineral resources at protection areas, where an out-of-specification ore is used as a fill material. The data on numerical modeling of the mechanical rock mass behavior are presented. Rational parameters of mining and extraction sequence are established for blind ore bodies.
Baiborodov Ya.N., Eremenko A. A.*, Eremenko V. A.*, Chernykh A. V., and Kotlyarov A. A.
ABSTRACT: The experimental data on the effectiveness of the explosive block breaking by vertical, concentrated and parallel-contiguous explosive charges of increased diameter are reported. Optimal parameters, established for boring-explosive works, improve the broken ore grade and reduce the mining costs.
ABSTRACT: The process for development and mining of blocks at a blind ore body and at boundary with a protection pillar at South-Eastern and Eastern sections of the Tashtagol deposit is proposed. Parameters of blocks, chambers, and boring-and-explosive works are found, the geomechanical estimate of rocks under mining operations is given.
ABSTRACT: The geomechanical situation is analyzed in extraction of ore-bearing blocks at the Sheregesh deposit. Zones prone to seismic activity and their location within the mine field are identified.
ABSTRACT: The research data on up-dating of drilling-and-blasting operations at the Tey quarry are presented. The process for trim blasting to edge pit walls and to cave blocks is proposed, the formed benches being of greater height. The blasting and delay interval patterns s developed allow that the convergence factor is increased from 1.4 to 3.2, while the oversize yield is lowered by 10–15%.
ABSTRACT: The authors lay out experimental data on the technology for block fracturing by the short-delay blasting, which induces the formation of rock-weakening cavities of a curved shape. The cavity formation makes it possible to create tensile stresses in a rock block and to reduce the power-intensity of the blasting fracturing.
ABSTRACT: The authors perform the theoretical and experimental modeling of schemes for short-delay blasting of rock blocks with formation of free, curved surfaces. It is established that tension areas arising within a rock block at all breakage stages tend to reduce the energy intensity of the block fracturing.
ABSTRACT: The procedure to evaluate the economic efficiency of the dynamic-bucket excavator is proposed. The application scope for the dynamic-bucket excavator involves the blasting-free rock excavation in comparison to the drilling and blasting development of a rock mass and the use of a conventional bucket excavator to handle broken rocks.
ABSTRACT: The qualitative and quantitative assessment system is developed for heavy-duty mining machinery for blasting-free mining of hard rocks. The sequence of operations to select the best machine with consideration for its efficiency criterion is worked out. .
ABSTRACT: The problem stated in the paper involves the disposal of the removed overburden rocks at benches of the internal dump. The calculation algorithms are given, and the obtained results are discussed.
ABSTRACT: Conditions for «socket» formation in the direct and reverse charge initiation, including turboblasting, are considered.
ABSTRACT: The application of turboblasting process to advance the underground mine workings is described. Conditions for the best performance of the process are outlined.
ABSTRACT: The mechanical rock failure process and pipe laying along a river bed are considered. Factors, constitutive for the rock-breaking performance of air hammers, are established. Processes for underwater pipe-laying are described.
Anushenkov A. N., Tapsiev A. P., Uskov V. A., and Artemenko Yu.V.
ABSTRACT: The authors consider the theoretical and technological grounds to improve the performance of the surface fill-production plant at mines of ZF OAO «GMK Noril’sky Nickel». Modification of the operating milling facility design is described, calculations to optimize the ball charge mode and the results of pilot-production tests are reported. The worked-out recommendations allowed increasing the grinding circuit capacity by 15–20% at the fill-production plant.
Leontiev A. A., Edigariev V. G., and Bilin A. L.
ABSTRACT: The procedure for verification of the complex geotechnological parameters on the basis of the spacious-coordinated database comprising the mineral deposit characteristics, operation conditions, specific design features, and economic parameters of mining systems is laid out. The solution to the volumetrically-stated problem on the block models of ore bodies and host rocks is proposed.
ABSTRACT: Surface and underground transportation and mine field characteristics are studied at the Barzas Deposit. The problem of optimal mine spurs — the available railway network crossing is solved.
ABSTRACT: The authors study geometry of an access way and distribution of tensile and compressive stresses, which provide the lower energy-intensity of the working drive process.
Paleyev D.Yu., Vasenin I. M., Shrager E. R., and Krainov A.Yu.
ABSTRACT: The numerical modeling data on aerogasdynamic processes in a caved goaf under the combined ventilation conditions. The authors demonstrate the influence of methane-air removal through an open cross-slit and a gas-suction borehole on the methane concentration in an airway.

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