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Project Details

Title:Screening of South Dakota Asphalt Mixes for Moisture Damage using Conventional and Innovative Approaches
Principal Investigators:Rouzbeh Ghabchi
University:South Dakota State University
Grant #:DTRT13-G-UTC38 (MAP21)
Project #:MPC-530
RH Display ID:149536
Keywords:asphalt pavements, moisture damage, pavement distress, reclaimed asphalt pavements, screenings, state departments of transportation, stripping (pavements), tensile strength, warm mix paving mixtures


There is an immediate need for evaluation of the effects of different additives and asphalt binder and aggregate sources on pavements' moistureinduced damage potential. As a response to this need, the present study is proposed to evaluate the moisture-induced damage potential of asphalt mixes used in Region 8. More specifically, effects of reclaimed asphalt pavement (RAP), warm mix asphalt (WMA), anti-stripping agent (ASA), polymer-modified asphalt binders (PMA), and sources of binders and aggregates on moisture-induced damage potential of mixes commonly used by asphalt contractors in South Dakota will be evaluated. Additionally, in an effort to highlight the problematic mixes, aggregates and asphalt binders from recent projects that have shown stripping in the field will also be identified and tested in collaboration with SDDOT.

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NDSU Dept 2880P.O. Box 6050Fargo, ND 58108-6050