Key Laboratory of Coalbed Methane Resources&Reservoir Formation Process(Ministry of Education);
China University of Mining and Technology;
Xuzhou 221116;
China;
School of Mines;
Key Laboratory of Deep Coal Resource Mining;
Ministry of Education;
China University of Mining&Technology;
Xuzhou 221116;
China;
compressive strength; elastic modulus; confining pressure; Poisson’s ratio; coalification jump;