Research on creep-fatigue model of anchored jointed rock mass
Bo Fan 2
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Department of Architecture and Transportation, Liaoning Technical University, Fuxin, Liaoning Province, China
Department of Civil Engineering, Liaoning Technical University, Fuxin, Liaoning Province, China
School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin, China
Submission date: 2022-09-12
Final revision date: 2022-10-21
Acceptance date: 2022-10-24
Online publication date: 2023-01-17
Publication date: 2023-01-30
Corresponding author
Bo Fan   

Department of Civil Engineering, Liaoning Technical University, China
Journal of Theoretical and Applied Mechanics 2023;61(1):163-173
To explore the mechanical response of anchored rock mass with an interaction of fatigue and creep, this paper selects the fatigue amplitude and fatigue frequency as influencing factors to carry out a fatigue-creep experiment of the anchored rock mass. Based on fractional order theory and binary perturbation theory, a new fractional order creep model is constructed. The results show that compared with the Burgers model, the newly proposed creep model can better describe the whole process of creep deformation of the anchored jointed rock mass under fatigue loading.
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