A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Viscoelastic Analysis of Asphalt Pavement Using a Regularized Interconversion Technique between Creep and Relaxation
This study illustrates a regularized method in the viscoelastic analysis of asphalt pavement based on time-domain creep tests. The method is capable of overcoming the ill-posedness of interconversion between creep compliance and relaxation modulus by solving a Volterra integral equation of second kind with regularization. The discrete data of relaxation modulus is calculated by the regularized method and fitted to the generalized Maxwell model. After the viscoelastic parameters of asphalt mixtures are obtained, the nonlinear finite element model of pavement is developed and the computed results indicate that the viscoelastic mechanical responses of pavement are greatly affected by temperature and loading time. The results of this study are expected to be utilized to predict and validate the distress of asphalt pavement in the design and maintenance periods.
Viscoelastic Analysis of Asphalt Pavement Using a Regularized Interconversion Technique between Creep and Relaxation
This study illustrates a regularized method in the viscoelastic analysis of asphalt pavement based on time-domain creep tests. The method is capable of overcoming the ill-posedness of interconversion between creep compliance and relaxation modulus by solving a Volterra integral equation of second kind with regularization. The discrete data of relaxation modulus is calculated by the regularized method and fitted to the generalized Maxwell model. After the viscoelastic parameters of asphalt mixtures are obtained, the nonlinear finite element model of pavement is developed and the computed results indicate that the viscoelastic mechanical responses of pavement are greatly affected by temperature and loading time. The results of this study are expected to be utilized to predict and validate the distress of asphalt pavement in the design and maintenance periods.
Viscoelastic Analysis of Asphalt Pavement Using a Regularized Interconversion Technique between Creep and Relaxation
Zhu, Yaoting (author) / Sun, Lu (author) / You, Kesi (author)
Ninth International Conference of Chinese Transportation Professionals (ICCTP) ; 2009 ; Harbin, China
ICCTP 2009 ; 1-6
2009-07-23
Conference paper
Electronic Resource
English
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