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ARTICLE
Study on the shear creep characteristics of anchored jointed rock masses under creep fatigue loading
1
Department of Architecture and Transportation, Liaoning Technical University, Fuxin, Liaoning Province, China
2
School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin, China
Submission date: 2022-05-01
Final revision date: 2022-07-24
Acceptance date: 2022-07-26
Online publication date: 2022-08-28
Publication date: 2022-11-25
Corresponding author
Journal of Theoretical and Applied Mechanics 2022;60(4):625-635
KEYWORDS
TOPICS
ABSTRACT
To study creep characteristics of deep rock masses under low-frequency earthquakes and
other loads, sandstone and marble samples were used to characterize soft rock and hard
rock, respectively. Shear creep tests of anchored rock masses under fatigue loading were
carried out by using the graded loading method. A new nonlinear rheological model was
constructed to characterize mechanical properties of anchored rock masses under fatigue
loading. Creep fatigue curves of soft rock and hard rock have clear creep characteristics
including instantaneous, attenuation, steady-state and accelerated creep stages. This work
provides new insights into the stability of rock masses.
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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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