Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Numerical modelling of tyre–pavement-interaction phenomena: constitutive description of asphalt behaviour based on triaxial material tests
As basis for the subsequent numerical modelling of tyre–pavement-interaction phenomena, an adequate representation of asphalt material behaviour is required. Therefore, in the present publication, experimental investigations by the repeated load triaxial test and a new approach of the interpretation of the test results are presented. Based on these results, an appropriate asphalt material model that considers elastic, viscous as well as plastic properties and that allows for large strain theory is selected for the numerical modelling by finite element method. The related material parameters are identified based on the experimental data by an optimisation procedure. Exemplarily, the numerical simulation of data points of the Cole–Cole-plot and the computation of an asphalt test sample in triaxial stress state are conducted. The comparison of experimental and numerical results shows good agreement. Therefore, the material model and the parameters may be used subsequently for structural pavement computations.
Numerical modelling of tyre–pavement-interaction phenomena: constitutive description of asphalt behaviour based on triaxial material tests
As basis for the subsequent numerical modelling of tyre–pavement-interaction phenomena, an adequate representation of asphalt material behaviour is required. Therefore, in the present publication, experimental investigations by the repeated load triaxial test and a new approach of the interpretation of the test results are presented. Based on these results, an appropriate asphalt material model that considers elastic, viscous as well as plastic properties and that allows for large strain theory is selected for the numerical modelling by finite element method. The related material parameters are identified based on the experimental data by an optimisation procedure. Exemplarily, the numerical simulation of data points of the Cole–Cole-plot and the computation of an asphalt test sample in triaxial stress state are conducted. The comparison of experimental and numerical results shows good agreement. Therefore, the material model and the parameters may be used subsequently for structural pavement computations.
Numerical modelling of tyre–pavement-interaction phenomena: constitutive description of asphalt behaviour based on triaxial material tests
Zopf, Christoph (Autor:in) / Wollny, Ines (Autor:in) / Kaliske, Michael (Autor:in) / Zeißler, Alexander (Autor:in) / Wellner, Frohmut (Autor:in)
Road Materials and Pavement Design ; 16 ; 133-153
02.01.2015
21 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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