Пошук
Зараз показуються 1-2 з 2
Justification of the rational parameters of chambers of the third stage extraction while underground iron ore mining
(2015)
The width of stope chamber of third stage mining in contact with week rocks of hanging wall is justified. The calculation technique of mining methods with backfilling is improved.
Laboratory research of zonal structuring of massif around mine workings
(2016)
Objective is research of zonal structuring of massif around mine workings. The main methods of research conducting are following: equivalent, optic-polarization and electri-cally conductive materials. Boundaries of zones ...