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E. S. Rozhnov
E. S. Rozhnov
Saint Petersburg State Mining Institute (Technical University)
Saint Petersburg State Mining Institute (Technical University)
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Articles

Mine survey
  • 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.
Mine survey
  • 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.