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торпедирование кровли

Geoecology and occupational health and safety
  • Date submitted
    2015-10-18
  • Date accepted
    2015-12-01
  • Date published
    2016-08-22

Effect of surface geometry and insolation on temperature profile of green roof in Saint-Petersburg environment

Article preview

The paper addresses an issue of creating an environment favorable for the life in megacities by planting vegetation on the rooftops. It also provides information about rooftop greening practices adopted in other countries. The issues of ‘green roof’ building in climatic conditions of Saint Petersburg and roof vegetation impact on the urban ecosystem are examined. Vegetation composition quality- and quantity-wise has been proposed for the roof under research and a 3D model of this roof reflecting its geometric properties has been developed. A structure of roof covering and substrate qualitative composition is presented. An effect of rooftop geometry on the substrate temperature is explored. The annual substrate temperature and moisture content in different parts of the roof have been analyzed. Results of thermal imaging monitoring and insolation modelling for different parts of green roof surface are presented.

How to cite: Ignatev S.A., Kessel D.S. Effect of surface geometry and insolation on temperature profile of green roof in Saint-Petersburg environment // Journal of Mining Institute. 2016. Vol. 220 . p. 622-626. DOI: 10.18454/PMI.2016.4.622
Industrial safety and health care in mining
  • Date submitted
    2013-07-16
  • Date accepted
    2013-09-20
  • Date published
    2014-03-17

Choice and valuation of similarity parameters for aero-gas-dynamic modeling with main roof collapse

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The article describes the necessary conditions for similarity parameters choosing for aero-gas-dynamic modeling with main roof collapse and it has been made analysis of them.

How to cite: Smirnyakov V.V. Choice and valuation of similarity parameters for aero-gas-dynamic modeling with main roof collapse // Journal of Mining Institute. 2014. Vol. 207 . p. 147-150.
Industrial safety and health care in mining
  • Date submitted
    2013-07-02
  • Date accepted
    2013-09-01
  • Date published
    2014-03-17

Analytical estimation of aerodynamic characteristics of the main roof collapse

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The article describes the formulas for calculation of air flow characteristics, that originates from the main roof collapse and also it has been made analysis of variates, that form their parts.

How to cite: Smirnyakov V.V. Analytical estimation of aerodynamic characteristics of the main roof collapse // Journal of Mining Institute. 2014. Vol. 207 . p. 151-154.
Problems in geodynamic safety in the exploration of solid deposits
  • Date submitted
    2009-10-28
  • Date accepted
    2009-12-25
  • Date published
    2010-09-22

Prediction of dynamic manifestations of rock pressure in the all over automated longwalls

Article preview

The support control system «MARCO» has programs for the estimation of a geomechanical situation around the face by continuous measurements of pressure in the legs of support. The analysis of the face convergence allows to predict the possibility of a rock burst. The seam’s reaction on the shearer or plough influence may be the dangerous main roof collapse into the mine-out space of longwall.

How to cite: Roiter M., Kurfyurst V., Mairkhofer K., Veksler J. Prediction of dynamic manifestations of rock pressure in the all over automated longwalls // Journal of Mining Institute. 2010. Vol. 188 . p. 36-39.
Problems in geodynamic safety in the exploration of solid deposits
  • Date submitted
    2009-10-30
  • Date accepted
    2009-12-09
  • Date published
    2010-09-22

Investigation of regularities of rock inrush forming in productive faces of сoal mines

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The aspect of maintenance of roof stability of active stopes in mines of the Western Donbass is considered in the article. The conclusion is drawn on the probability of coal falls formation during mining operations in disturbed areas. Principal causes of coal fall formation are considered on the bais of natural surveying observations. Connections between technological parameters of longwall and geometrical parameters of disturbance are established.

How to cite: Khalimendik Y.M., Brui A.V., Chemakina M.V. Investigation of regularities of rock inrush forming in productive faces of сoal mines // Journal of Mining Institute. 2010. Vol. 188 . p. 70-73.
Problems in geomechanics of technologeneous rock mass
  • Date submitted
    2009-07-22
  • Date accepted
    2009-09-18
  • Date published
    2010-04-22

Higher grade filling due to horizontal layers extraction in Yakovlevsky ore deposit

Article preview

A complex of technology and organization methods to higher grade filling due to horizontal layers system of extraction rich ferrous metal ores for various stages of mining is presented.

How to cite: Zubov V.P., Antonov A.A., Lugovskoi Y.N., Morozov M.D., Mikhailenko O.V. Higher grade filling due to horizontal layers extraction in Yakovlevsky ore deposit // Journal of Mining Institute. 2010. Vol. 185 . p. 25-30.
Problems in geomechanics of technologeneous rock mass
  • Date submitted
    2009-07-29
  • Date accepted
    2009-09-15
  • Date published
    2010-04-22

Preconditions for application of supports of different types in productive workings of low-thick gently-pitching deposits in tectonically stressed massif (for conditions of the Karnasurt ore mine)

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The paper presents the data on the mining-geological conditions for mining and types of stope supports applied at the Karnasurt Mine, the Lovozersky rare-metal deposit. The peculiar feature of mining conditions is the presence of high subhorizontal tectonic stresses in the rock masses, which make the stope roofs more stable, allowing application of non-reinforced types of support.

How to cite: Lovchikov A.V., Matytsyn A.V. Preconditions for application of supports of different types in productive workings of low-thick gently-pitching deposits in tectonically stressed massif (for conditions of the Karnasurt ore mine) // Journal of Mining Institute. 2010. Vol. 185 . p. 68-70.
Problems in geomechanics of technologeneous rock mass
  • Date submitted
    2009-07-05
  • Date accepted
    2009-09-25
  • Date published
    2010-04-22

Active methods for control of geomechanical state of rock mass in coal deposit mining under complicated geological-and-mining conditions

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The paper presents the main technologies, characteristics, schematic diagrams and parameters of active methods for control of geomechanical state of technogenic rock mass, domain and technical-and-economical efficiency of their industrial application.

How to cite: Voskoboev F.N., Semenov Y.A., Zvezdkin V.A. Active methods for control of geomechanical state of rock mass in coal deposit mining under complicated geological-and-mining conditions // Journal of Mining Institute. 2010. Vol. 185 . p. 99-101.