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A platform for research: civil engineering, architecture and urbanism
Research on Time-Temperature-Stress Equivalence Principle for Asphalt Mixture
This paper is studies how temperature and stress affect creep characteristics of asphalt mixture synthetically based the time-temperature-stress equivalence principle of asphalt mixture. Firstly, static uniaxial creep tests of an AC20 asphalt mixture are conducted at 40, 50 and 60 °C while the axis stresses are 0.2MPa, 0.4MPa and 0.6MPa to study the effects of temperature and stress on creep characteristics. Then the time-temperature-stress equivalence principle is applied to analyze the time-temperature-stress shift factor. It is indicated that the influence of stress on creep characteristics is similar to the influence of temperature for the asphalt mixture, and stress exert the same influence on the viscosity as temperature. The united time-temperature-stress shift factor given by three methods are approximately equal.
Research on Time-Temperature-Stress Equivalence Principle for Asphalt Mixture
This paper is studies how temperature and stress affect creep characteristics of asphalt mixture synthetically based the time-temperature-stress equivalence principle of asphalt mixture. Firstly, static uniaxial creep tests of an AC20 asphalt mixture are conducted at 40, 50 and 60 °C while the axis stresses are 0.2MPa, 0.4MPa and 0.6MPa to study the effects of temperature and stress on creep characteristics. Then the time-temperature-stress equivalence principle is applied to analyze the time-temperature-stress shift factor. It is indicated that the influence of stress on creep characteristics is similar to the influence of temperature for the asphalt mixture, and stress exert the same influence on the viscosity as temperature. The united time-temperature-stress shift factor given by three methods are approximately equal.
Research on Time-Temperature-Stress Equivalence Principle for Asphalt Mixture
Zhang, Jiupeng (author) / Pei, Jianzhong (author) / Wang, Binggang (author)
Tenth International Conference of Chinese Transportation Professionals (ICCTP) ; 2010 ; Beijing, China
ICCTP 2010 ; 3516-3523
2010-07-22
Conference paper
Electronic Resource
English
Research on Time-Temperature-Stress Equivalence Principle for Asphalt Mixture
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