No. 4 (4)

Transactions of UkrNDMI NAN. - Donetsk, 2009. - No. 4 (4). - 152 p.
UDC: 622.83
ISSN: 1996-885X
Approved for printing: 19.05.2009

Methane reservoirs in coal-bearing formations in Donbas	6
Experimental investigations of shaft bottom rock mass deformation dynamics in connecting mine workings with the shaft	16
Review of mine surveying control methods in manless sinking of vertical shafts	25
Analysis of optimal frequency intervals in seismic investigations to predict behavior of landslide-hazardous slopes in the south coast of crimea	35
Liquidation of cavities of old mine workings by grouting	50
Research into the influence of the top of rock mass being undermined on parameters of seismic signals	61
Selection of algorithm to construct 3d model for SG-8 krivorozhskaya super-deep well	71
Mobile drilling-and-analytical complex (MDAC)	87
Position of maximal surface subsidence point	94
Investigation of seismic wave fields under the conditions of coal occurrence in the west Donbas	103
Peculiarities in manifestation of surface deformations under syncline attitude of beds	112
Accumulation and distribution of chrome in coals and waste coal of the donets basin	118
New technological solutions for leaving rocks in mines	126
Calculation of interbed deformations for evaluation of protective action of advance undermining	133
Constructive method to protect engineering well against unfavorable effect of production workings	140