Determination of parameters of explosion-hydro treatment of hard-to-collapse roof of hollow coal seams
Abstract
At present, the share of coal seams in the mines of the Soviet Union with hard-to-collapse roofs is quite high.
Область исследования:
(Archived) Without section
Similar articles
Physical bases of the electrometric method of research of the process of deformation of a rock massif
1990 O. V. Sergeev, E. A. Markina, I. A. Livshits
Investigation of the stability of ore and rock massifs around the high cleaning chambers during the development of steeply falling potash deposits
1990 A. M. Ryzhenkov, A. A. Ivanov