Evaluation of asphalt rubber membrane interlayer (ARMI) using the University of Florida's composite system interface cracking (CSIC) test.
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2012-05-01
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Edition:Final report.
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NTL Classification:NTL-HIGHWAY/ROAD TRANSPORTATION-Materials ; NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance ; NTL-HIGHWAY/ROAD TRANSPORTATION-Construction and Maintenance ;
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Abstract:Since the late 1970s, FDOT has applied an interlayer of Asphalt Rubber Membrane Interlayer (ARMI) to asphalt roadway surfaces. ARMI layers are constructed by spraying asphalt rubber binder onto the asphalt, covering the layer with no. 6 stone, and rolling the stone into the asphalt with a pneumatic tire roller. A fi nal layer of asphalt is applied on top of the ARMI layer. ARMI adds cost to the asphalt roadway project but has been used as a means to extend the life of the roadway by mitigating refl ective cracking.
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