<正> In order to determine the environmental quality condition of reclaimed soils inHuainan mining area, soil samples were collected from three representative m
<正> Mine gas extraction in China is difficult due to the characteristics such as micro-porosity,low-permeability and high adsorption of coal seams.The pulsed m
<正> By the generalized Kelvin creep model,rheological characteristics of deep softrock and long-term mechanical behaviors of support structures were simulated.
<正> Presented measurement results of roof rocks and wall rock movements of un- derground development workings after their drifting.The research was carried out