Accelerated Creep of Asphalt Concrete at Medium Temperatures
Iskakbayev A. Teltayev B. Aitbayev Y. Zhaisanbayev A.
October 2024Multidisciplinary Digital Publishing Institute (MDPI)
Applied Sciences (Switzerland)
2024#14Issue 20
In this paper, the accelerated creep under uniaxial tension of hot fine-grained dense asphalt concrete at temperatures of 22–24 °C and stresses from 0.084 MPa to 0.596 MPa is experimentally investigated. The names and brief descriptions of the creep curve and accelerated creep characteristics are given. A mathematical model is proposed that has physical meaning and satisfactorily approximates the asphalt concrete accelerated creep. The model parameters are determined by the Levenberg–Marquardt method. The deformation and time characteristics of the accelerated creep of asphalt concrete are established and analyzed.
accelerated creep , asphalt concrete , deformation and time characteristics , mathematical model , uniaxial tension
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U. Joldasbekov Institute of Mechanics of Engineering, Almaty, 050010, Kazakhstan
Department of Mechanics, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
LLP “Road Research and Production Center”, Almaty, 050064, Kazakhstan
U. Joldasbekov Institute of Mechanics of Engineering
Department of Mechanics
LLP “Road Research and Production Center”
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