 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 13554 |
| In Russian (Èçâ. ĐÀÍ. ̀̉̉): | | 8194
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| In English (Mech. Solids): | | 5360 |
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| Wu Yang, Zi-yang Luo, Peng-peng Chen, Liang Liu, Xinyu Ding, and Hai-hua Yang, "Mechanical Properties and Modeling of Hydraulic Asphalt Concrete with Large Aggregate Size," Mech. Solids. 60 (7), 5842-5855 (2025) |
| Year |
2025 |
Volume |
60 |
Number |
7 |
Pages |
5842-5855 |
| DOI |
10.1134/S0025654425604057 |
| Title |
Mechanical Properties and Modeling of Hydraulic Asphalt Concrete with Large Aggregate Size |
| Author(s) |
Wu Yang (College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi, 830052 China, slyangwu@xjau.edu.cn)
Zi-yang Luo (College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi, 830052 China; Xinjiang Key Laboratory of Hydraulic Engineering Security and Water Disasters Prevention, Urumqi, 830052 China, 958260733@qq.com)
Peng-peng Chen (Xinjiang Water Conservancy and Hydropower Survey and Design Research Institute Limited Liability Company, Urumqi, 830000 China)
Liang Liu (College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi, 830052 China; Xinjiang Key Laboratory of Hydraulic Engineering Security and Water Disasters Prevention, Urumqi, 830052 China)
Xinyu Ding (Xinjiang Water Conservancy and Hydropower Survey and Design Research Institute Limited Liability Company, Urumqi, 830000 China)
Hai-hua Yang (College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi, 830052 China; Xinjiang Key Laboratory of Hydraulic Engineering Security and Water Disasters Prevention, Urumqi, 830052 China) |
| Abstract |
There is a growing trend to use high asphalt concrete core walls with deep overlays in dam construction, making it imperative to optimize the properties of asphalt concrete core wall materials to improve their mechanical and deformation properties. In this study, medium-sized static triaxial tests of asphalt concrete with maximum aggregate sizes from 19.0–37.5 mm with the same mixing ratio parameters were conducted. The effects of different confining pressures and maximum aggregate size on the stress–strain, volumetric stress, shear expansibility, and shear strength parameters of asphalt concrete were investigated. The coefficient of the maximum aggregate size was introduced into the Duncan–Chang model, and empirical equations were established for parameters in the modified model. The results show that the stress–strain curve tends to harden with an increase of aggregate size. The maximum partial stress of asphalt concrete decreased as the confining pressure increased, and the large-size asphalt concrete exhibited low shear expansion under large shear deformation conditions. The modified Duncan–Chang model parameters calculated for large-grained asphalt concrete and the derived theoretical stress–strain curves were consistent with the measured values. The results of the study can provide a theoretical basis for the application of large-size asphalt concrete to build high asphalt concrete dam walls in deeply overburdened layers, which has high value for engineering applications. |
| Keywords |
asphalt concrete, maximum aggregate size, modified Duncan–Chang model, static triaxial test, stress–strain |
| Received |
28 July 2025 | Revised |
19 September 2025 | Accepted |
14 October 2025 |
| Link to Fulltext |
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