United States Department of Transportation
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Evaluation of asphalt rubber membrane interlayer (ARMI) using the University of Florida’s composite system interface cracking (CSIC) test [summary].
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2012-01-01
[PDF-115.74 KB]
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Edition:Summary.
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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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