ARTICLE
Mechanical performance of asphalt pavement with orthotropic unbound granular sub-base under vehicle load
1
School of Civil Engineering and Mechanics, Yanshan University, Qinhuangdao, China
2
Key Laboratory of Green Construction and Intelligent Maintenance for Civil Engineering of Hebei Province, Yanshan University, Qinhuangdao, China
3
Hebei High Performance Building Material Technology Innovation Center, Qinhuangdao Municipal Building Materials Group Co. Ltd., Qinhuangdao, China
Submission date: 2023-03-24
Final revision date: 2023-07-17
Acceptance date: 2023-07-20
Online publication date: 2023-09-15
Publication date: 2023-10-30
Corresponding author
Journal of Theoretical and Applied Mechanics 2023;61(4):715-728
KEYWORDS
TOPICS
ABSTRACT
The nonlinear mechanical response and orthotropy are the main properties of an unbound
granular material as a sub-base in an asphalt pavement. To investigate the impact of stress
and orthotropy characteristics simultaneously in an unbound granular sub-base, a constitu-
tive relation and a finite model were proposed. The distribution of the sub-base resilience
modulus and dynamic response of the pavement under vehicle loads were calculated. The
results show an increase in the resilience modulus with a decrease in the orthotropic co-
efficient. Stress and orthotropy affect the stress distribution near the pavement layer, and
vehicle velocity significantly impacts the vertical displacement.
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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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