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Title:Utilizing the Georgia Loaded-Wheel Tester to Predict Rutting
Authors:Khaled Ksaibati, Tyler Miller, and Michael Farrar
University:University of Wyoming
Publication Date:Aug 1994
Report #:MPC-94-38A
Project #:MPC-047
TRID #:00669032
Keywords:asphalt pavements, cores (specimens), forecasting, laboratory tests, regression analysis, rutting, statistical analysis, testing equipment
Type:Research Report – MPC Publications



In this research the feasibility of using the Georgia Loaded-Wheel Tester (GLWT) to predict rutting in the laboratory was investigated. The study consisted of modifying the GLWT to handle 15.2 cm (6-in.) cores, obtaining asphalt pavement cores from several test sites throughout Wyoming, collecting rut depth data, compiling the data in a computerized database, and conducting statistical analyses. The analyses resulted in preliminary regression models that can be used to predict field rutting based on rut-depth measurements from the GLWT. More data will be obtained to verify the regression models.

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