Abstract
<jats:p>The theoretical and experimental foundations for quantitative assessment of the interaction between non-linear geomechanical and physiochemical processes are considered in stressed coal-bearing rock masses under natural mining conditions with an increased seismic risk from the earthquakes and large-scale technological blasts, as well as the influence of the temperature and the structural factors. A description is given of laboratory research into the piston mechanism of gas exchange and mass transfer processes that was performed by the Institute of Mining of the Siberian Branch of the Russian Academy of Sciences. It is shown that at a certain uniformly increasing value of the loading pressure under uniaxial compression of a coal sample, the gas flow through it begins to increase. The patterns of such an increase in the gas flows for 7 different gases were obtained as well as a hysteresis view of the changes in the intensity of gas flows through samples of different coal grades depending on the cyclically changing press load.</jats:p>