Evaluation of special surface treatment aged using UV, phase I.
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2011-08-01
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Edition:Final; July 2010-Aug. 2011.
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Abstract:Research was undertaken to evaluate the effectiveness of Tensar’s specialty polymer cement slurry
(coating) in reducing aging of asphalt binders and mixtures. The study was also aimed at evaluating the effect of this
material on performance characteristics of asphalt binder and asphalt concrete through laboratory investigation. The
plan required preparation and testing materials at different aging levels. The materials included the asphalt binders
and mixtures prepared with and without a coating level of Tensar’s coating. Aging was achieved through rolling thin
film oven (RTFO), pressure aging vessel (PAV), and Ultraviolet (UV) chamber.
Aging in the UV chamber was conducted for 3 days, 7 days, 14 days, and 28 days. Testing for the binder included
dynamic shear rheometer (DSR), bending beam rheometer (BBR), and Fourier transform Infrared spectroscopy
(FTIR). Mixture testing was conducted using the third scale model mobile load simulator (MMLS3).
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