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ARTICLE
Research on creep-fatigue model of anchored jointed rock mass
1
Department of Architecture and Transportation, Liaoning Technical University, Fuxin, Liaoning Province, China
2
Department of Civil Engineering, Liaoning Technical University, Fuxin, Liaoning Province, China
3
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
Journal of Theoretical and Applied Mechanics 2023;61(1):163-173
KEYWORDS
TOPICS
ABSTRACT
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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