Ensuring Stability of Undermining Inclined Drainage Holes During Intensive Development of Multiple Gas-Bearing Coal Layers

Ensuring Stability of Undermining Inclined Drainage Holes During Intensive Development of Multiple Gas-Bearing Coal Layers

At high rates of production face advance, requirements towards reliable operation of undermining drainage holes get raised. The issue of maintaining high intensity of gaseous seams development under naturally increasing gas content, mining depth and capacity of production equipment poses a problem....

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Bibliographic Details
Main Authors: Vladimir S. BRIGIDA, Vladimir I. GOLIK, Yuryi V. DMITRAK, Оleg Z. GABARAEV
Format: Article
Language:English
Published: Saint-Petersburg Mining University 2019-10-01
Series:Zapiski Gornogo Instituta
Subjects:
underground holes
stability
intensification of coal extraction
discharge shot holes
decreasing methane content in the extraction block
Online Access:http://pmi.spmi.ru/index.php/pmi/article/view/8393/8761

Internet

http://pmi.spmi.ru/index.php/pmi/article/view/8393/8761

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