“…The CT method was first used in medical diagnosis [ 12 , 15 , 16 , 17 , 18 ]. With the perfection of theory and operation, the CT method was introduced into the field of rock mechanics, which benefits the development of rock mechanics [ 19 , 20 , 21 , 22 , 23 ]. Currently, the application of the CT method in rock mechanics focuses on the visualization of rock damage, rock composition, rock stress state and rock test process, etc.…”