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Vol 190

Mine survey
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Methods of the estimation of the condition of hydraulic engineering tunnels according to laser-scanning survey

Account method of laser-scanning survey of hydraulic engineering tunnels of 2,7 km is stated in the general extent. The visual way of inspection of the tunnels, carried out in parallel with their leveling is resulted. The way of a deformation estimation of a condition of tunnels by the geometrical analysis of 3D-models received according to laser-scanning survey is considered.

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V. N. Gusev, E. M. Volokhov, V. A. Golovanov, I. P. Ivanov, M. Yu. Vasil'ev, V. K. Nosov, P. I. Yushmanov (2011) Methods of the estimation of the condition of hydraulic engineering tunnels according to laser-scanning survey. Journal of Mining Institute. Vol 190. p. 267.
Geotechnology
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Substantiation of rational mining parameters for iv potash horizon of the starobin potash deposit

Methods of substantiation of a rational mining technology for the new potash horizon are presented in the paper. Progressive technological mining schemes for potash mining company «Belaruskaliy» are reviewed, as well as the geological conditions of the IV potash horizon. Basic aspects of the geomechanical substantiation of parameters of technological mining schemes for conditions of the IV potash horizon in the presence of influence of the overlying horizons are also presented. Results of modeling of the stress-and-state strain of the rock strata with production horizons are described.

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O. V. Kovalev, S. P. Mozer, I. Yu. Mozer, A. V. Leisle (2011) Substantiation of rational mining parameters for iv potash horizon of the starobin potash deposit. Journal of Mining Institute. Vol 190. p. 9.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Geodinamical variability as a cause of natural disasters and technogenic catastrophes

Geodynamical variability is a cause of different natural disasters, such as earthquakes, volcanic eruptions, earthflows and seismic sea spillages. Natural disasters can activate technogenic catastrophes (building and construction failures, coal-mine explosions, dam integrity disturbance etc.). Technogenic catastrophes, in their turn, are able to originate such natural disasters as dam lake occurrence; the Earth crust’s surges with hazard consequences can be provoked by oil and gas extraction performance. Examples of natural disasters and technogenic catastrophes, factors of their origin, the phenomena prediction and avoidance recommendations have been shared in the following article.

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L. K. Gorshkov, Z. B. Dekusar (2011) Geodinamical variability as a cause of natural disasters and technogenic catastrophes. Journal of Mining Institute. Vol 190. p. 143.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Development of tecnological shemes of the selective extraction of the complex potash seams under conditions of the starobin deposit

Approaches to selection of technological mining schemes based on selective potash seam extraction are described. Progressive technological mining schemes for potash mining company «Belaruskaliy» and the geological conditions of the IV potash horizon are reviewed. Basic aspects of the geomechanical substantiation of parameters of technological mining schemes for conditions of the new potash horizon in the presence of influence of the overlying horizons are also presented. Guidelines for substantiation of progressive mining methods for the conditions of the IV potash horizon (Third Mine, «Belaruskaliy») are developed on the basis of the modeling of the stress-and-strain state of the rocks.

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O. V. Kovalev, E. R. Koval'skii, E. R. Koval'skii, Yu. G. Sirenko, I. Yu. Tkhorikov (2011) Development of tecnological shemes of the selective extraction of the complex potash seams under conditions of the starobin deposit. Journal of Mining Institute. Vol 190. p. 16.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Subsidence and deformations of layers of the massif of rocks with formation of technogenic water spending cracks

The mechanism of formation of technogeny cracks (cracks of stratification and perpendicular flog cracks), including water spending is stated at primary and repeated mine layers of massif of rocks on coal deposits. It is shown possibility of application of a method of typical curves for an estimation of development of technogeny water spending cracks.

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V. N. Gusev, E. S. Rozhnov (2011) Subsidence and deformations of layers of the massif of rocks with formation of technogenic water spending cracks. Journal of Mining Institute. Vol 190. p. 274.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

The determination of the volume stress-strain conditions of the soil massif in the face area of the tunnel in conditions of drafting with using of contledge of the face

In this learned article the analysis of reinforcing effect, which appears during the process of the drilling of tunnels with using of contledge of the face which applied in tunnel boring machines, is adduced. By applying of the finite-elements method the family of graphical relations, which reflects the processes of the development of displacements, is approached. For the reason of analysis of these relations the optimal value of contledge of the face if maximum permissible displacements of the earth surface are known have been suggested. The influence of the main strength characteristics of Couloumb – Mohrs’s theory of strength on stability of the face of the tunnel and the necessary value of contledge of the tunnel’s face are defined.

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A. G. Protosenya, N. A. Belyakov (2011) The determination of the volume stress-strain conditions of the soil massif in the face area of the tunnel in conditions of drafting with using of contledge of the face. Journal of Mining Institute. Vol 190. p. 149.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Determination of maximum roof spans in the intensive mining of flat-lying coal seams at the Kuzbass basin

It was established the reciprocal interaction of longwall advance velocity, mining depth and main roof thickness per a pace of its subsidence; the proper graphs have been constructed.

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S. G. Baranov, D. S. Vlasenko, M. A. Loginov (2011) Determination of maximum roof spans in the intensive mining of flat-lying coal seams at the Kuzbass basin. Journal of Mining Institute. Vol 190. p. 22.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Calculation of displacement and deformations of rocks tunnels arising at building taking into account vertical asymmetry in distribution of displacement

In work problems application of theoretical methods mechanics continuous environment for calculation of displacement and deformations rocks are considered at a construction of tunnels. The basic attention is given the account in calculations of vertical asymmetry in distribution of displacement in a pedigree file round a tunnel. The short analysis of the reasons display such asymmetry is presented. The way of the account in calculations vertical asymmetry in distribution displacement over and under a tunnel on the basis phenomenological approach taking into account features of functions of distribution of deformations and the given natural supervision is offered.

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E. M. Volokhov, N. S. Bakh (2011) Calculation of displacement and deformations of rocks tunnels arising at building taking into account vertical asymmetry in distribution of displacement. Journal of Mining Institute. Vol 190. p. 278.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

The field observation for the processes of settling of the ore ceiling caused by mining works at Yakovlevsky deposit

The methodic of the field observation for the processes of deep benchmark displacements and configuration of the local observing station is offered. The analysis of the results of the field observations for the displacements of the ore pillar is accomplished, the isolines of settling and the isolines of the average speed of settling of the ore massif is offered.

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A. G. Protosenya, D. N. Petrov, K. G. Sinyakin, G. A. Martem'yanova (2011) The field observation for the processes of settling of the ore ceiling caused by mining works at Yakovlevsky deposit. Journal of Mining Institute. Vol 190. p. 158.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Dynamics of rock pressure manifestation in mining the flat-lying coal seams with heavy roofs

In caving of main roof rocks immediately overlaying the seam, a great amount of energy from elastic compression of rocks is released, in consequence of that the dynamic loading on the powered support takes place. Consideration is given to the influence of the support power parameters on the loading dynamics.

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S. G. Baranov, D. S. Vlasenko, M. A. Loginov (2011) Dynamics of rock pressure manifestation in mining the flat-lying coal seams with heavy roofs. Journal of Mining Institute. Vol 190. p. 26.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Mathematical modelling of geomechanical processes at the estimation of influence of building underground constructions in cities on the undermined rock mass

In work the basic features geomechanical processes of rocks occurring in a file are stated at tunneling and developments of underground constructions. Principles of the organisation mathematical modelling of processes displacement and deformations of rocks for an estimation of harmful influence of underground building on buildings and constructions are resulted. The basic lacks of known approaches to modelling of geomechanical processes are stated, recommendations about the decision of key problems of calculation displacement in a pedigree file are made. The basic results of application of the complex approach to a look-ahead estimation displacement and deformations at maintenance of building of city underground constructions in St.-Petersburg are presented.

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E. M. Volokhov, D. A. Potemkin (2011) Mathematical modelling of geomechanical processes at the estimation of influence of building underground constructions in cities on the undermined rock mass. Journal of Mining Institute. Vol 190. p. 284.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Tunnel induced deformation of strata and formation of surface settlement trought during construction process

Analysis of tunnel induced settlement due to tunnel development with a help of TBM is given in current article. Surface settlement trough and settlement profile in longitudinal and transverse directions is shown below. A brief analysis of semi-empirical method of tunnel induced settlement calculation and determination of strains around excavation is given. Volume loss is given based on the in-situ observation.

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M. A. Karasev (2011) Tunnel induced deformation of strata and formation of surface settlement trought during construction process. Journal of Mining Institute. Vol 190. p. 163.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

The forecasting of stress condition in the «pillar-working» system in combined action of rock bump and geostatic pressure

The transformation of the stress condition of embedded border diastrophic bloc rock of the «pillar-working» system is considered, in combined action of geostatic tension, lateral and transversal tension wave, generated by rock bump. It is supposed that the tension wave front are parallel to the adjacent strata media discontinuity. Under this condition, in the article the influence of the critical tension levels on the roof and pillar rocks stress condition.

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V. V. Karpenko, Yu. N. Ogorodnikov (2011) The forecasting of stress condition in the «pillar-working» system in combined action of rock bump and geostatic pressure. Journal of Mining Institute. Vol 190. p. 172.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Metrological maintenance mine surveying

Now questions of the metrological control in маркшейдерских works have the uncertain status. The law in force about maintenance is uniform-stva measurements does not include in control sphere маркшейдерские work. Predlaga-etsja to return to practice of independent performance калибровочных works on the certificated ranges.

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V. A. Golovanov, E. M. Volokhov, V. N. Gusev (2011) Metrological maintenance mine surveying. Journal of Mining Institute. Vol 190. p. 289.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Aspects of coal strata mining at the mine of the elegest deposit (the republic of Tyva)

The Article considers the aspects concerning the mining of coal strata, prediction of the influence zones parameters of the primary extraction of thick seam “Ulug” on the overlying stratum. With due account of geological conditions of the seams occurrence and strength properties of rocks the recommendations are given on rational methods of the seam “Ulug” mining and on roof control in production faces as well as on support of development workings at the undermined seams.

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Yu. V. Gromov, D. N. Demekhin (2011) Aspects of coal strata mining at the mine of the elegest deposit (the republic of Tyva). Journal of Mining Institute. Vol 190. p. 31.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Phenomenon of dilatancy in fragmented rocks

The design procedure of dilatancy changes of volume of the fragmented rocks is offered. By means of this technique the mechanism of loosening in rock blasting is considered. The behaviour of fragmented rocks at compression and vibration is studied. Quality estimations of the processes occurring in zones of destruction in rock massif at shift are made.

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S. V. Tsirel' (2011) Phenomenon of dilatancy in fragmented rocks. Journal of Mining Institute. Vol 190. p. 176.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

The method of planning of stockpiles laser scanner mine surveying

During the laser scanner surveying necessity of scan position number minimization arises to get complete information about an object. In this article the method is represented, that makes allowance of surveying object configuration, it dimensional characters, technical and metrological characteristics of a laser scanner. This method allows making decision about scan positions arrangement, number of scan positions and time of measurement.

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E. A. Nesterenko (2011) The method of planning of stockpiles laser scanner mine surveying. Journal of Mining Institute. Vol 190. p. 292.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Thermal strengthening of loosened soils and rocks during mining operations

The Article contains the analysis of data on application of thermal strengthening of soils and rocks. The use of this method in mining is restrained by insufficient study of the processes accompanying the heating and following cooling of strengthened soils and rocks. Substantiation is given to the potential application of thermal strengthening of loosened rocks during surface and underground mining.

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V. A. Smirnov, E. N. Rabota, E. V. Goncharov (2011) Thermal strengthening of loosened soils and rocks during mining operations. Journal of Mining Institute. Vol 190. p. 37.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Assessment of safety factor for analysis of stability of boards of open-cast mines

The paper contains the results of numerical experiments about the influence of natural factors on the value of safety factor and dimensions of ultimate state zones for analysis of stability of boards of open-cast mines.

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V. V. Zubkov, I. A. Zubkova (2011) Assessment of safety factor for analysis of stability of boards of open-cast mines. Journal of Mining Institute. Vol 190. p. 183.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Calculation moving and deformations used functions of typical curves, analytically expressed

In the article the calculation moving and deformations earthly surface is considered by the method of typical curves at development coal deposits an underground method. Equalization for analytical expression typical curves is offered. The results comparison the sizes set and got on a formula are resulted for Donetsk and Kizelovsk coal pools.

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E. S. Rozhnov (2011) Calculation moving and deformations used functions of typical curves, analytically expressed. Journal of Mining Institute. Vol 190. p. 297.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Stabilization of development workings in overworked layers

Challenges of efficient underground mining of thick flat coal seams are studied. An effective method to secure stability of site development workings in overworked layers is suggested. A conclusion is made on advisability of stress-relief workings construction in preparation of overworked layers. Parameters of slicing mining system and stress-relief workings are justified. Assessment of useful mineral loss enhancement and production cost reduction is made due to introduction of the proposed method. Possible areas are determined for application of this method.

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A. A. Sidorenko, S. A. Sidorenko, O. V. Trushko (2011) Stabilization of development workings in overworked layers. Journal of Mining Institute. Vol 190. p. 42.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Metal pliable support developmentsin an ore file Yakovlevsky mine

Loading on support is defined by geomechanical, technological and geometrical parametres. At комбайновой technologies of carrying out of developments loading decreases in 1,5-1,6 times. Rigid dependence of size of loading on quality of filling закрепного spaces remains. Bearing ability of arches from СВП-27 and СВП-33 exceeds bearing ability of arches from СВП-22 accordingly on 33 and 76 %. Bearing ability of an arch with the account of plastic deformations of a steel increases on 32-42 % in comparison with elastic calculation.

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V. I. Ochkurov, Yu. N. Ogorodnikov, Yu. N. Antonov (2011) Metal pliable support developmentsin an ore file Yakovlevsky mine. Journal of Mining Institute. Vol 190. p. 192.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Connection between lumpiness and block size оf mined rock from photographs using computer processing research

In article possibility of increase of efficiency of surveying and geologic maintenance of open-cast mining of deposits on the basis of remote means, improvements of images for perception the person and the computer (simplification of the subsequent recognition), conveniences of processing of a photographic material, increase of accuracy and reliability of received data about distribution of fractures in soils is described.

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A. P. Sannikova (2011) Connection between lumpiness and block size оf mined rock from photographs using computer processing research. Journal of Mining Institute. Vol 190. p. 301.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Determination of the front mining length for backfill mining method of complex structure carbon deposits by railway transport

The work describes basic features of open pit development of complex structure carbon deposits. The rational length of excavator block for different models of dragline for backfill mining method was determined. The work also gives the dependence for determining the production front length for development of complex structure carbon deposits with the use of railway service for transportation of the extracted mineral.

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V. V. Ivanov (2011) Determination of the front mining length for backfill mining method of complex structure carbon deposits by railway transport. Journal of Mining Institute. Vol 190. p. 46.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Designing support unilateral rectangular interfase of horizontal developments

The design procedure of loadings on arch support unilateral rectangular interfaces in an ore file of Jakovlevsky deposit КМА is offered. The settlement scheme corresponds rigid and plastic model of deformation of an ore file in a roof of interfaces. A major factor defining size of loading on overlappings of interfaces, emptiness in a roof after filling there are. Low efficiency of flat overlappings of interfaces on chamber frames and advantages of overlappings of interfaces by arches from profile SVP with horizontal couplers from арматурной steels of armature was revealed. Possibility of operative calculation of loadings and a choice of parametres of overlappings on conditions of durability and stability of bearing elements of support in ores of various types is proved.

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Yu. N. Ogorodnikov, V. I. Ochkurov, D. N. Petrov (2011) Designing support unilateral rectangular interfase of horizontal developments. Journal of Mining Institute. Vol 190. p. 197.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Open cast technological system with in-pit fully mobile crushing reliability avaluation

The mining-transport equipment in technological schemes with application of the mobile crushing equipment represents difficult mining system with consecutive and parallel connection of separate technological elements. Reliability of system is defined on the basis of reliability of its components.

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S. I. Fomin, A. A. Faul', A. I. Ponomarev (2011) Open cast technological system with in-pit fully mobile crushing reliability avaluation. Journal of Mining Institute. Vol 190. p. 51.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Account of influence of fracturing of stony and semistony rocks on the strength of rock mass in evaluation of stability of open-pit slopes by prospecting data

The Article considers the aspect concerning the prediction of one of indices of rock mass structure,i.e.a dimension of structural blocks of fractured stony and semistony rocks – the index which is required for transition from strength (cohesion) of rocks in a specimen to cohesion in rock mass in evaluation of open-pit slope stability. It is shown also the determination of reference value of the dimension of structural blocks by core from geological holes with the aid of RQD (Rock Quality Designation) at the stage of prospecting of one of ore deposits intended for open-pit mining.

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A. M. Mochalov, S. V. Kagermazova, G. A. Grebenshchikova (2011) Account of influence of fracturing of stony and semistony rocks on the strength of rock mass in evaluation of stability of open-pit slopes by prospecting data. Journal of Mining Institute. Vol 190. p. 304.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

A new technique for the determination of ultimate strength in extention of rocks

A new technique has been developed for the determination of ultimate strength in uniaxial extension by testing results of samples of arbitrary shape. This technique consists in the sample failure with spherical indentors and measuring of sizes of rupture surfaces and zones of failured rocks at contacts with indentors for the subsequent estimation of ultimate stress state. The revised formulas were obtained for calculation of ultimate strength in uniaxial extension with using the method of sample failure with spherical indentors, essentially improving the accuracy of the technique.

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V. A. Korshunov, Yu. M. Kartashov (2011) A new technique for the determination of ultimate strength in extention of rocks. Journal of Mining Institute. Vol 190. p. 202.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Estimation methods of ore storage’s capacity for opencast startup time

It is considered the technique of definition of ore warehouse’s capacity for the period of opencast development. This period is characterized by non-uniform opencast’s productivity on a mineral. The technique allows to estimate an initial ore warehouse’s stock, which is necessary for concentrating factory’s stable work, the possible moment of factory’s starting, and also dynamics of ore’s stocks at warehouse during period under review mining enterprise work.

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G. A. Kholodnyakov, M. M. Yakubovskii (2011) Estimation methods of ore storage’s capacity for opencast startup time. Journal of Mining Institute. Vol 190. p. 56.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Perfection of the mine servey and geological maintenance of technology of open mountain works

The factors influencing for open mountain works are established, bases of geologo-information model, typification of mountain-geological complexity of working out of coal deposits of advanced ways and means primary geologiche-skoj are offered the information. An effective method of a supply with information mine works is drawing up of the geologo-technological passport dredge-face. For mine works and their key process – drilling and explosive works the most significant geologists-cheskie the factors which are subject to studying and use for drawing up of passport drilling and explosive works are established. Skilled detonation confirms expediency of the offered improvements and use of laws of the geological factors, influencing crushing of breeds.

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R. A. Takranov (2011) Perfection of the mine servey and geological maintenance of technology of open mountain works. Journal of Mining Institute. Vol 190. p. 310.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Geobiological and hydrogeochemical impact on underground escalator tunnel constructions determining intensification of corrosion material processes in Saint Petersburg

This paper discusses the geobiological and hydrogeochemical processes in St.-Petersburg underground space and their role in corrosion of escalator constructional materials. The special attention were attracted to the ecological conditions which are connected with organic, inorganic contaminants and microbiota transporting to soils and groundwater from leaking sewer system and also from zones of long existing cemeteries. A detailed study and numerical analyses of escalator tunnel constructional materials were carried out to reveal biological defeat and destruction of concrete and grey iron as a result of microbiota destructive activity.

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D. Yu. Vlasov, A. V. Shidlovskaya, O. Yu. Aleksandrova (2011) Geobiological and hydrogeochemical impact on underground escalator tunnel constructions determining intensification of corrosion material processes in Saint Petersburg. Journal of Mining Institute. Vol 190. p. 60.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Exploitational problems of the kholodninskoye polimetallik deposit mining

The analysis of factors complicating the development of the Kholodninskoye deposit within the catchment area of Lake Baikal is carried out. Organisational and technical arrangements implementation of which reduces ecological risks while mining this deposit are worked out.

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V. P. Zubov, O. V. Mikhailenko (2011) Exploitational problems of the kholodninskoye polimetallik deposit mining. Journal of Mining Institute. Vol 190. p. 318.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Qiuck-acting technique for the determination of rheological properties of rocks

The Article considers the rheological tests of rock samples being carried out with using the direct (classical) and quick-acting (stepwise) techniques. In the stepwise test of one sample a family of creeping curves was obtained. The comparable tests have shown a satisfactory similarity of test results obtained in various testing techniques. 

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M. D. Il'inov, Yu. M. Kartashov (2011) Qiuck-acting technique for the determination of rheological properties of rocks. Journal of Mining Institute. Vol 190. p. 207.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Investigation of exfoliation height of roof rocks in mine workings within the zone of bearing pressure

Within the bearing pressure zone in the working ’ s roof an increase of fracturing of rocks, decrease of their strength and stability, an increase of the working’s width take place in consequence of coal splitting in banks. All this leads to the increase of vault height of natural rock equilibrium as compared with the workings being driven in rock mass.

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M. A. Rozenbaum, S. M. Chernyakhovskii, E. S. Savchenko (2011) Investigation of exfoliation height of roof rocks in mine workings within the zone of bearing pressure. Journal of Mining Institute. Vol 190. p. 210.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Technogenic transformation of the basic components of megacities underground space and its account in geomechanical calculations (on the example of Saint Petersburg)

Engineering-geological and hydro-geological features of rent of St. Petersburg are considered. It is noted that at designing buildings for different purposes, in order to ensure their long-term stability it is necessary to analyze the possibility of their transformation the main components of underground space (rocks, underground water, gas, microbiota, underground structures) under the influence of natural and technogenic factors. Examples of transformation of sand-clay soils under the influence of physical and chemical conditions change and activization of microbial activity in underground space are given. The case of transition of a heavy construction to a pre-emergency condition because of mistakes in engineering research and incorrect assigning of computative parameters is analyzed.

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R. E. Dashko, A. V. Shidlovskaya, K. V. Pankratova, A. M. Zhukova (2011) Technogenic transformation of the basic components of megacities underground space and its account in geomechanical calculations (on the example of Saint Petersburg). Journal of Mining Institute. Vol 190. p. 65.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Foundation of Cholodninskoye deposit mining systems in conditions of ecological risks

Mining systems for ore bodies of different thickness are developed for the conditions of Cholodninskoe deposit. Ration parameters of mining system are determined. 

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V. P. Zubov, O. V. Mikhailenko, A. A. Antonov, M. D. Morozov (2011) Foundation of Cholodninskoye deposit mining systems in conditions of ecological risks. Journal of Mining Institute. Vol 190. p. 323.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Some approaches to evaluate the stability of underground structures subjected to dynamic loads from earthquakes

The scheme of approach of evaluation of the stability of underground structures with account for seismic activity of rock strata is introduced. Some aspects of estimation of stability of underground structures under dynamic loads are also present. Methods of choosing the safe parameters of underground mining with account for seismic and tectonic activity of rocks are shown.

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E. R. Koval'skii, S. P. Mozer, O. V. Mikhailenko, S. A. Sidorenko (2011) Some approaches to evaluate the stability of underground structures subjected to dynamic loads from earthquakes. Journal of Mining Institute. Vol 190. p. 330.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Approximate calculation of parameters of steelpolymer anchor in the support of stratified roof of the working on the principle of fastening layers together

In the article it is suggested the approximate method for the determination of required parameters of steelpolymer anchors supported in. the stratified non-fissured roof of the mine working based on the use of regularities of the beam bending theory. An example of parameters calculation is given.

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A. E. Khlusov, D. N. Demekhin (2011) Approximate calculation of parameters of steelpolymer anchor in the support of stratified roof of the working on the principle of fastening layers together. Journal of Mining Institute. Vol 190. p. 214.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

The engineering geological control of underground transport tunnels exploitation reliability in Saint Petersburg

The natural and technogenic factors effect on exploitation reliability of subway tunnels located in Upper Vendian clays are analyzed. It is noted what the fractured clays has been studied during the exploring of the first metropolitan lines. It is emphasized what the intensity of clay fracturing increases in thalweg zones of paleo-valleys within the bounds of which the quantity of underground water leakages in tunnels increases. The hydrodynamic and hydrochemistry conditions of Vendian high head horizon (lied under clays) influence on deformation and destruction of tunnels lining are investigated. The reduction of clays shear strength parameters under the interaction of clays and liquid phases is experimentally studied. The water extracts chemical composition of disintegrated construction materials and sinter forms are resulted. The important role of biocorroion in constructional and waterproof materials (included bitumen) disintegration is shown. The protection methods of tunnels constructions from biocorrosion are recommended. 

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R. E. Dashko, P. V. Kotyukov (2011) The engineering geological control of underground transport tunnels exploitation reliability in Saint Petersburg. Journal of Mining Institute. Vol 190. p. 71.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Geomechanical analysis of underground pillar station with step by step excavation

Numerical modeling of cast iron lining stress and strain state of pylon deep underground station is done. Due to complex geometry of underground station, step by step excavation and lining installation numerical modeling was done in three dimensional space.

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P. A. Demenkov, M. A. Karasev, D. A. Potemkin (2011) Geomechanical analysis of underground pillar station with step by step excavation. Journal of Mining Institute. Vol 190. p. 220.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Complex monitoring of underground waters on the Jakovlevsky deposit of rich iron ores and its role in increase of mine works conducting safety in the conditions of not drained water-bearing horizons

Specificity of hydro-geological conditions of the Jakovlevsky deposit and operating system of a drainage on the mine with the same name is resulted. It is underlined that mine works are conducted under not drained high pressure water-bearing horizons. The complex hydrochemical and hydrodynamic monitoring of underground waters is considered as implement for increase of safety of extraction mine works in difficult mine-geological conditions. The comparative analysis of hydro-geological monitoring three cycle’s results which has shown gradual expansion of underground waters overflowing front from not drained horizon is carried out. Negative consequences of such process are specified. The development features of various biological forms of a life in mine which destroy construction materials are noted. Actions for decrease in consequences of an overflowing are planned.

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R. E. Dashko, E. N. Kovaleva (2011) Complex monitoring of underground waters on the Jakovlevsky deposit of rich iron ores and its role in increase of mine works conducting safety in the conditions of not drained water-bearing horizons. Journal of Mining Institute. Vol 190. p. 78.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Assessment of geodynamic and geomechanical conditions in the mining of ore bodies of near-ore bank reserves at the Koashva open-pit mine

In connection with a gradual extraction of ore areas in a valley, with the aim of support of annual output of the Koashva open-pit mine, a necessity arises in involving in the mining of near-ore bank reserves, located in the north-west bench of open-pit mine. For uncovering and mining of near-ore bank reserves it is necessary to assess the geodynamic and geomechanical conditions for support of the safe mining operations. The article describes the solution of this problem by means of software product 3DEC of Itasca firm.

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V. V. Zubkov, I. A. Zubkova, G. V. Leont'ev, A. G. Zileev (2011) Assessment of geodynamic and geomechanical conditions in the mining of ore bodies of near-ore bank reserves at the Koashva open-pit mine. Journal of Mining Institute. Vol 190. p. 86.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Implementation of various failure criteria for numerical models of rock mass

The paper presents results of numerical modeling by application of plastic constitutive models with various failure criteria. The Balmer’s and Balandin’s failure criteria have been elaborated in FISH language and they have been applied to simulate two basic problems which are: compression of rock sample and construction of excavation in rock mass.

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M. Yandris, P. A. Demenkov (2011) Implementation of various failure criteria for numerical models of rock mass. Journal of Mining Institute. Vol 190. p. 225.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Establishment of boundaries of hazardous zones in coal seam mining at mines of JSC «Suek-Kuzbass»

The article considers the formation conditions of hazardous zones in mining the conjugated seams strata with leaving coal pillars. The results of mine investigations for the establishment of hazardous zones boundaries with using the geophysical equipment are given.

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N. V. Krotov, F. P. Ivchenko, A. P. Skakun, A. I. Pal'tsev (2011) Establishment of boundaries of hazardous zones in coal seam mining at mines of JSC «Suek-Kuzbass». Journal of Mining Institute. Vol 190. p. 92.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Stress and strain state of strata before and after drainage

Result of numerical modeling of natural in-situ stress formation before and after drainage work is given. Elastic and elastic-plastic material model is used for soil behavior.

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D. N. Petrov (2011) Stress and strain state of strata before and after drainage. Journal of Mining Institute. Vol 190. p. 232.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Geomichanical justification of entries stability at development of nearboard reserves of Кoashva quarry with a roof fall of a disturbed pit wall

Result of research is definition the zone of influence of sewage treatment works and their character for developing nearbord stocks Koashva opencast. The analysis of changes in the stress-strain state of massif around development workings in stages mining substages depending on their position relative to cleaning area. The research was carried out using a numerical modelling using the finite elements method.

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Yu. N. Ogorodnikov, A. D. Kuranov (2011) Geomichanical justification of entries stability at development of nearboard reserves of Кoashva quarry with a roof fall of a disturbed pit wall. Journal of Mining Institute. Vol 190. p. 240.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

The choice of mining methods for the near-ore bank reserves of the Koashva deposit

The choice of mining methods is one of the most important phases at the designing stage and it has an influence on the economic efficiency of mineral deposit mining. Consideration is given to the order of selection of mining methods on the example of near-ore bank reserves of the Koashva deposit. Upon selecting a mining method by constant and variable factors, the selected mining methods are compared by their technical and economic indices, and so the field of application of each mining method is identified. 

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A. B. Koreivo, A. G. Zileev (2011) The choice of mining methods for the near-ore bank reserves of the Koashva deposit. Journal of Mining Institute. Vol 190. p. 97.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Development of strains in uniform slopes with phased mining

Side deep pits are complex engineering structures, which depend on the state of mine safety. As bating and opening new horizons in the development of mineral deposits open as a result of long-term at the edge array of pits are changing the natural stress and accumulated fatigue, which leads to deformation of the sides, ending in some cases, catastrophic collapses and landslides. Prevention of dangerous destructive strains edge arrays depends on reliable assessment of emerging strains.

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A. M. Mochalov, A. V. Chebakov (2011) Development of strains in uniform slopes with phased mining. Journal of Mining Institute. Vol 190. p. 244.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Providing of safe conditions for mining оf shaftbottom protective pillars in deep ore mines at Talnakh

Consideration is given to the causes complicating the mining of shaftbottom pillar and protection of shaft lining. The analysis is given of the formation of stress-strain state of the protective pillar and its enclosing rocks. Practical recommendations are given for control of deformationand stresses in the shaftbottom mass during extraction of protective pillars in deep ore mines at Talnakh.

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V. A. Zvezdkin, V. N. Karenin, A. G. Anokhin (2011) Providing of safe conditions for mining оf shaftbottom protective pillars in deep ore mines at Talnakh. Journal of Mining Institute. Vol 190. p. 101.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Influence of a condition of a regional zone of a layer on the mechanism of occurrence of explosions of methane on collieries

On the basis of consideration of processes of the is intense-deformed condition of a regional zone of a layer it is established that in the in a complex- mechanized clearing faces probably occurrence of the weakened zones. Within these zones inevitably occurrence of superfluous guantity of the methane accompanied by exsplosions of gas and a dust.

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S. A. Tolstunov (2011) Influence of a condition of a regional zone of a layer on the mechanism of occurrence of explosions of methane on collieries. Journal of Mining Institute. Vol 190. p. 249.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Utilization of exhausted potash mines in Russia as repositories for radioactive waste disposal

The growth in energy consumption demands increase in power output of the existing nuclear power plants and construction of the new ones. Radioactive waste requires high-reliable repositories to be disposed. One of the perspective types of the repositories is underground excavations in halogenous formations (created by underground mining or dissolution through boreholes from surface). The new method of radioactive waste disposal is offered in the paper.

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S. P. Mozer, O. V. Kovalev, I. Yu. Tkhorikov (2011) Utilization of exhausted potash mines in Russia as repositories for radioactive waste disposal. Journal of Mining Institute. Vol 190. p. 105.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Gamma fields dynamic dosage perfomances possibilities for diagnostics and control of radiation and nuclear accidents on nuclear power underground facilities group

Instrument determination of dynamic dosage performances of accident gamma fields is offered to permit exercising of reduction processes monitoring in accordance with underground nuclear power plant operation condition.

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V. G. Kondrat'ev (2011) Gamma fields dynamic dosage perfomances possibilities for diagnostics and control of radiation and nuclear accidents on nuclear power underground facilities group. Journal of Mining Institute. Vol 190. p. 108.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Method of description of air flow inside goaf of longwall with caving in underground coal mines

While mining coal seams with caving there is air flow through a caving zone, which depends on the used ventilation system. Air flow into a caving zone is one of the factors causing a fire hazard. Therefore, it is important to know air flow velocity distribution in goaf as it is one of the factors allowing for the selection of the proper method for fighting coal self-combustion. 

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Yan Shlonzak (2011) Method of description of air flow inside goaf of longwall with caving in underground coal mines. Journal of Mining Institute. Vol 190. p. 256.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Dynamic radiation control methods and instruments application peculiarities at underground points for nuclear materials storage placement, radioactive waste storages and underground nuclear thermo power plants

Equipment set for dynamic radiation monitoring of nuclear wastes and nuclear materials kept in subsurface storage as well as methodology of radiation fields’ minimal changes control are offered.

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V. G. Kondrat'ev (2011) Dynamic radiation control methods and instruments application peculiarities at underground points for nuclear materials storage placement, radioactive waste storages and underground nuclear thermo power plants. Journal of Mining Institute. Vol 190. p. 112.
Geomechanics
  • Date submitted
    2016-12-06
  • Date published
    2011-02-01

Management stress-strain state block structure partition arrays in difficult geological and mining engineering conditions of mine Тalnakh

The reasons that complicate the process of elaboration dividing arrays of deep mines Talnakh. The analysis of the formation of stress-strain state dividing arrays during the development of treatment work. Practical advice on management strains and stresses in underworking Block structures dividing arrays. 

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V. A. Zvezdkin, V. N. Karelin, A. G. Anokhin, Yu. N. Nagovitsin (2011) Management stress-strain state block structure partition arrays in difficult geological and mining engineering conditions of mine Тalnakh. Journal of Mining Institute. Vol 190. p. 263.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Justification of gold heap cryoleaching geotechnology

A heap cryoleaching technology for gold ores was justified basing on theoretical and experimental research into physical, hydrophysical and physiochemical properties of sulfuric-chloride solution in the presence of manganese dioxide within a wide range of negative temperatures. This geotechnology enables year-round heap leaching of gold in conditions of the permafrost zone through controlling concentration of the electrolyte-cryoprotective agent – sulphuric acid.

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S. B. Tataurov (2011) Justification of gold heap cryoleaching geotechnology. Journal of Mining Institute. Vol 190. p. 119.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Technological advancement of gold heap leaching geotechnology with cryogenic ore desintegration

Widespread development of gold leaching in areas of permafrost soil demands geotechnology modernization. In particular, the paper studies enhancement of gold heap leaching geotechnologies with cryogenic gold ore disintegration. Such statement of the problem can become the first step in creation of modern mining cryotechnologies in conditions of sub-zero temperatures.

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S. B. Tataurov (2011) Technological advancement of gold heap leaching geotechnology with cryogenic ore desintegration. Journal of Mining Institute. Vol 190. p. 126.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Technology of «cold» briquetting of rich ores of the Jakovlevsky deposit

Rich iron ores of the Jakovlevsky deposit are fine metallurgical raw materials. These ores are suitable for melt of high-quality metal at the minimum cost price as doesn't demand mineral processing. Ores contain a considerable quantity of fine classes particles and need briquetting. Mining operations include quality control of mined ore. The technology of briquetting includes, preliminary screening for removing of large classes; dispensing and preliminary mixing 85-90 % martite, iron-micaceousmartite ores and 10-15 % hydrohematite ores; mixing with connective substances; pressing; drying. The received briquettes have density 3200-3500 kg/m 3 , durability on compression 4,5 MPа.

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V. L. Trushko, R. E. Dashko, V. B. Kuskov, A. S. Klyamko (2011) Technology of «cold» briquetting of rich ores of the Jakovlevsky deposit. Journal of Mining Institute. Vol 190. p. 133.
Geomechanics
  • Date submitted
    2016-12-05
  • Date published
    2011-02-01

Technology of kimberlitic tubes underquarry deposits mining in complex hydro-geological conditions

Article is in touch with mining industry and devoted to the analysis and generalisation of world experience of underground mining of kimberlitic tubes underquarry reserves. In it the urgency of research of new technologies of underground mining of kimberlitic tubes underquarry reserves in the conditions of the deposits, developed by «ALROSA» stock company is formulated and basic problems arising in this area are defined. The mining technology of kimberlitic tubes water-bearing underquarry reserves excavation is described.

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M. N. Andreev, E. I. Boguslavskii (2011) Technology of kimberlitic tubes underquarry deposits mining in complex hydro-geological conditions. Journal of Mining Institute. Vol 190. p. 138.