[1]School of Energy Science and Engineering,Henan Polytechnic University,Jiaozuo 454000,China;
[2]Opening Project of Key Laboratory of Deep Mine Construction,Henan Polytechnic University,Jiaozuo 454000,China;
[1]School of Energy Science and Engineering,Henan Polytechnic University,Jiaozuo 454000,China;
[2]Opening Project of Key Laboratory of Deep Mine Construction,Henan Polytechnic University,Jiaozuo 454000,China;
[1]School of Energy Science and Engineering,Henan Polytechnic University,Jiaozuo 454000,China;
[1]School of Energy Science and Engineering,Henan Polytechnic University,Jiaozuo 454000,China;
[2]Opening Project of Key Laboratory of Deep Mine Construction,Henan Polytechnic University,Jiaozuo 454000,China;
Mechanical characteristics; Pore characteristics; Microstructure; Composition; Scanning electron microscope;