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Effect of the Viscosity of Asphalt on the Rheological Properties of Bituminous Mixtures
To analyze the effects of asphalt viscosity or temperature on the mechanical properties of bituminous concrete, constant load compressive tests were employed. Using a standard creep testing program, the instantaneous elastic, retarded elastic, and viscous deformation were recorded and analyzed. Correlations were developed between original and recovered binder viscosity, mixture rheological strength moduli, and mixture deformations for a wide range of loading times and temperatures. The applications of linear viscoelastic theory, apparent activation energy concepts, and time-temperature superposition principle were investigated and validated. Equations of state relating stress, strain, time, and temperature-dependent behavior were developed and evaluated. These can be used to evaluate mechanical properties which cannot be obtained experimentally and to reduce the number of experiments needed to define the response of bituminous mixtures. (Author)
Effect of the Viscosity of Asphalt on the Rheological Properties of Bituminous Mixtures
To analyze the effects of asphalt viscosity or temperature on the mechanical properties of bituminous concrete, constant load compressive tests were employed. Using a standard creep testing program, the instantaneous elastic, retarded elastic, and viscous deformation were recorded and analyzed. Correlations were developed between original and recovered binder viscosity, mixture rheological strength moduli, and mixture deformations for a wide range of loading times and temperatures. The applications of linear viscoelastic theory, apparent activation energy concepts, and time-temperature superposition principle were investigated and validated. Equations of state relating stress, strain, time, and temperature-dependent behavior were developed and evaluated. These can be used to evaluate mechanical properties which cannot be obtained experimentally and to reduce the number of experiments needed to define the response of bituminous mixtures. (Author)
Effect of the Viscosity of Asphalt on the Rheological Properties of Bituminous Mixtures
C. A. Pagen (author)
1965
91 pages
Report
No indication
English
Effect of asphalt viscosity on rheological properties of bituminous concrete
Engineering Index Backfile | 1965
|Effect of viscosity of asphalt on properties of bituminous wearing surface mixtures
Engineering Index Backfile | 1966
|