Triaxial creep tests were conducted on sandstone at 25°C–100°C under three‐dimensional stress to investigate temperature‐dependent creep behavior. An entropy‐dependent nonlinear dashpot was developed by relating entropy production to the evolution of viscous resistance, and a local fractal‐order time‐scaling formul...
Bin Wang, Shu-Tian Zhao, Wen-Bo Liu· Fatigue & Fracture of En...· 0 citations
In the creep process of rocks, energy dissipation is the core driving factor of damage evolution. The initiation and propagation of microcracks within rocks, as well as the closure and penetration of pores, are all accompanied by irreversible energy dissipation, and the damage, in turn, affects the efficiency of ener...
Wen-Bo Liu, Bin Wang, Shu-Guang Zhang et al.· Fatigue & Fracture of En...· 0 citations
Accurate characterization of rock creep under coupled chemical–stress–seepage conditions is essential for deep rock stability. A three‐dimensional fractional‐order creep constitutive model is developed. Chemical, stress, and seepage damage are quantified by elastic modulus degradation, the Kachanov evolution, and p...
Shutian Zhao, Shu-Guang Zhang, Jun-Kang Zhao et al.· Fatigue & Fracture of En...· 0 citations
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