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A platform for research: civil engineering, architecture and urbanism
Relating Laboratory Foamed Asphalt Mix Resilient Modulus Tests to Field Measurements
Resilient modulus of foamed asphalt materials is stress state dependent, but the field stress state cannot be fully characterized by any available laboratory test alone. Test results of the triaxial resilient modulus test and the flexural beam test, each of which characterizes one important stress state, were incorporated into a bilinear anisotropic constitutive model to calculate the pavement deflection under traffic loading. A virtual FWD back-calculation procedure was used to find the equivalent resilient modulus, which can be readily used as the input for most pavement response calculation programs for M-E design. FWD tests on four California FDR-foamed asphalt sections were analyzed, and the effects of temperature and moisture were quantified. Finally the field measurements were compared to the model predictions and recommendations for project level design were proposed.
Relating Laboratory Foamed Asphalt Mix Resilient Modulus Tests to Field Measurements
Resilient modulus of foamed asphalt materials is stress state dependent, but the field stress state cannot be fully characterized by any available laboratory test alone. Test results of the triaxial resilient modulus test and the flexural beam test, each of which characterizes one important stress state, were incorporated into a bilinear anisotropic constitutive model to calculate the pavement deflection under traffic loading. A virtual FWD back-calculation procedure was used to find the equivalent resilient modulus, which can be readily used as the input for most pavement response calculation programs for M-E design. FWD tests on four California FDR-foamed asphalt sections were analyzed, and the effects of temperature and moisture were quantified. Finally the field measurements were compared to the model predictions and recommendations for project level design were proposed.
Relating Laboratory Foamed Asphalt Mix Resilient Modulus Tests to Field Measurements
Fu, Pengcheng (author) / Steven, Bruce D. (author) / Jones, David (author) / Harvey, John T. (author)
Road Materials and Pavement Design ; 10 ; 155-185
2009-01-01
31 pages
Article (Journal)
Electronic Resource
Unknown
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