Wisconsin mixture characterization using the asphalt mixture performance tester (AMPT) on historical aggregate structures.
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2010-01-01
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Edition:Final report; 2008-2009.
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Abstract:This research evaluated the stiffness and permanent deformation properties of typical Wisconsin Department of
Transportation (WisDOT) asphalt mixtures using the Asphalt Mixture Performance Tester (AMPT) and associated test and
analysis procedures. Dynamic modulus master curve and flow number data were collected for 12 different good performing
asphalt mixtures representing typical mixture design practice in Wisconsin. The data were analyzed to determine the
sensitivity of the AMPT tests to changes in key mixture design factors associated with rutting resistance. A database of
dynamic modulus master curve and flow numbers was assembled for use in future mechanistic pavement design related
efforts.
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