Abstract
The application of pavement thermal recycling technology can reduce energy consumption, thereby improving resource utilization efficiency and bringing positive impacts to society and the economy. In order to study the influencing factors and laws of the fatigue life of recycled asphalt mixtures, this paper fitted the failure life characteristics of fatigue and the relationship between fatigue life and stress ratio of asphalt mixtures with high RAP content under different stress ratios, RAP dosages, temperatures, and loading frequencies respectively. The results show that when the RAP content, stress ratio, and test temperature increase, the fatigue life of the recycled asphalt mixture decreases. The fatigue life and stress ratio are approximately in a logarithmic relationship. By taking the RAP content, stress ratio, loading frequency, and test temperature as fatigue parameters, a fatigue prediction model of the mixture was established.
Publication Date
6-18-2022
DOI
10.14048/j.issn.1671-2579.2022.03.035
First Page
195
Last Page
201
Submission Date
May 2025
Recommended Citation
Liangyu, Sun; Meng, Wang; Xilun, Zhang; Pengtao, Tian; Qingwei, Ma; and Ping, Guo
(2022)
"Study on Fatigue Prediction Model of Asphalt Mixture with High RAP Content,"
Journal of China & Foreign Highway: Vol. 42:
Iss.
3, Article 35.
DOI: 10.14048/j.issn.1671-2579.2022.03.035
Available at:
https://zwgl1980.csust.edu.cn/journal/vol42/iss3/35
Reference
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