School of Mechanics and Engineering;
Liaoning Technical University;
Fuxin;
123000;
China;
School of Civil and Resource Engineering;
University of Science and Technology Beijing;
Beijing;
100083;
China;
School of Civil Engineering;
Shaoxing University;
Shaoxing;
312000;
China;
College of Physics;
Liaoning University;
Shenyang;
110036;
China;
Damage characteristics; Catastrophic failure mechanism; Adsorption damage; Coal rock;