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Vol 147
Pages:
61-70
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Research article
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Geodynamics and gas release from mined-out space in the Vorkuta coal mines

Authors:
Yu. V. Shuvalov
I. A. Pavlova
V. N. Bobrovnikov
M. M. Popov
A. P. Veselov
Date submitted:
2000-07-16
Date accepted:
2000-08-02
Date published:
2001-02-01

Abstract

The results of the analysis of the character of the growth with depth of methane content in beds and host rocks of coal deposits in the Pechora basin and the factors affecting it are presented. On the basis of field measurements of methane emission dynamics in the mine workings of a number of mines of the Vorkuta coal field and their statistical processing the effect of the increase in the relative methane emission by increasing the size of the mined-out space - the number of the waste pillars and the distance of the working face from the cut mine working is shown. The efficiency of the degassing schemes used to reduce gas release from the surrounding rock masses under development is analyzed. Geomechanical and gasdynamic models of a complexly structured undermined rock mass are proposed, allowing to justifiably calculate parameters of permeability distribution over its volume, air leakage fluxes from the cleaning face and gas-air mixture in the mined-out spaces.

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References

  1. Гусев В.Н. Геомеханика техногенных водопроводящих трещин / СПГГИ. СПб, 1999.
  2. Шувалов Ю.В. Аэродинамика выработок и выработанного пространства шахт Воркуты / Ю.В.Шувалов, А.П.Веселов, В.В.Соболев, И.А.Павлов // Горный информационно-аналитический бюллетень. М.: Изд-во МГГУ, 1999. №3.
  3. Шувалов Ю.В. Аэродинамика выработанных пространств с аэродинамическими сопротивлениями / Ю.В.Шувалов, И.А.Павлов, М.М.Попов // Научно-педагогическое наследие профессора И.И.Медведева: Сб. научных докладов. СПб: МАНЭБ, 1999.
  4. Шувалов Ю.В. Управление метано-воздушными потоками из выработанных пространств выемочных участков на шахтах ОАО «Воркутауголь» / Ю.В.Шувалов, В.Н.Бобровников, А.П.Веселов, Э.М.Шейман, А.А.Энс // Народное хозяйство Республики Коми. 1998. Т.7. № 3.

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