A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Evaluation of Asphalt Binder Modifiers
This report documents a laboratory-based research effort to determine the effects of asphalt modifiers and alternate binders on asphalt airfield pavements. The modified binders were tested to determine their potential for reducing pavement deformation distresses, improving rheological properties, reducing asphalt contents, and improving the asphalt pavement's heat-resistant capabilities under jet engine blasts. An intensive literature search was performed during the first year of the study to gather all of the available information on the modifiers currently available. This information was used to choose 14 test materials, which were tested in the laboratory during the second year of th study. Data resulting from these tests were used to choose the five most promising test materials, which were evaluated further in the third and final year of the study by more detailed laboratory tests. All laboratory mix specimens were made with the same aggregate gradations and under as near identical conditions as possible. An AC-20 grade of asphalt cement was chosen as the base asphalt for all modified asphalt blends. Asphalt mix testing consisted of indirect tensile, resilient modulus and unconfined creep-rebound tests. Asphalt binder tests included kinematic viscosity, Brookfield viscosity, penetration, resiliency, and chromotography. Keywords: Asphalt concrete, Chromatography, Creep modulus, Deformation, Kinematic viscosity, Rutting. (kr)
Evaluation of Asphalt Binder Modifiers
This report documents a laboratory-based research effort to determine the effects of asphalt modifiers and alternate binders on asphalt airfield pavements. The modified binders were tested to determine their potential for reducing pavement deformation distresses, improving rheological properties, reducing asphalt contents, and improving the asphalt pavement's heat-resistant capabilities under jet engine blasts. An intensive literature search was performed during the first year of the study to gather all of the available information on the modifiers currently available. This information was used to choose 14 test materials, which were tested in the laboratory during the second year of th study. Data resulting from these tests were used to choose the five most promising test materials, which were evaluated further in the third and final year of the study by more detailed laboratory tests. All laboratory mix specimens were made with the same aggregate gradations and under as near identical conditions as possible. An AC-20 grade of asphalt cement was chosen as the base asphalt for all modified asphalt blends. Asphalt mix testing consisted of indirect tensile, resilient modulus and unconfined creep-rebound tests. Asphalt binder tests included kinematic viscosity, Brookfield viscosity, penetration, resiliency, and chromotography. Keywords: Asphalt concrete, Chromatography, Creep modulus, Deformation, Kinematic viscosity, Rutting. (kr)
Evaluation of Asphalt Binder Modifiers
G. L. Anderton (author)
1990
164 pages
Report
No indication
English
Adhesives & Sealants , Civil Engineering , Aeronautics & Aerodynamics , Asphalt , Binders , Landing fields , Pavements , Cements , Chromatography , Concrete , Modification , Deformation , Elastic properties , Heat resistant materials , Jet engines , Kinematics , Laboratories , Laboratory tests , Literature surveys , Mixtures , Research management , Resilience , Rheology , Test and evaluation , Viscosity
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