No. 3 (18)

Transactions of UkrNDMI NAN. - Donetsk, 2017. - No. 3 (18). - 162 p.
UDC: 622.83
ISSN: 1996-885X
Approved for printing: 31.05.2017
Media Company Registration Certificate № 000095, issued on 28.12.2016

Two-stage load system for advanced powered supports	7
Behaviour of coal stress-related properties with the depth of its occurrence	15
Design features of the powered support crawler track base mounting to decrease pressure on the floor	25
Comparison of indicators for the efficiency of longwall and shortwall mining of coal seams	30
Promising sustainable environmental projects for coal industry of the Donetsk People’s Republic	40
Coal-bearing strata methane content evaluation in Chaikino mine field based on the formation analysis	50
Diffusion of hydrogen-containing coal components under the conditions of high-speed pressure relief	67
Fresh approaches to calculation of frame yielding supports	75
Research into the influence of hydrogeological factors and the impact of harmful substances on conditions of engineering wells	85
Database acquisition for targets of seismic exploration in mines	90
Prospects for methane production in Almazno-Marievsky area of Donbass	103
Assessment ofseismic energy source distance impact on the acoustic signal structure and parameters under the conditions of Donbass	120
Genetic features of refractory clay deposits of the Donetsk oblast	137