Shazheng Str 174, Shapingba District
Shazheng street, Shapingba district
Chongqing 400044, 400030
China
Chongqing University
cyclic loading-unloading, computed tomography scanning, fracture propagation, fractal quantification, hardening-damage competition mechanism
Sandstone, mining-induced stress, Stepped cyclic loads, Creep properties, Damage constitutive model