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Ennis Paint, Inc. Tyregrip high friction surface system.
  • Published Date:
    2014-03-01
  • Language:
    English
Filetype[PDF-1.16 MB]


Details:
  • Publication/ Report Number:
  • Resource Type:
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  • Abstract:
    Unpredictable

    climatic conditions paired with the varying topography in Vermont have often resulted

    in dangerous roadway conditions

    .

    Statistics show that many fatalities occur in rural environments like

    Vermont. Federal Highway Administration (FHWA)

    has

    developed many

    strategies to address this issue.

    One experimental treatment that has been used is a high friction overlay known as Tyregrip. Key personnel

    at VTrans chose to evaluate the treatment at a high crash location along VT Route 9 in the town of

    Woodford, Verm

    ont in 2009.

    The treatment was placed on the westbound lane and shoulder at approximately MM 3.0, on

    October 8, 2009. Shortly after the installation Research personnel observed failures in the

    treatment, which

    required attention. In November

    2009,

    the damaged sections were repaired by Ennis Paint, Inc and Total

    Highway Maintenance (THM). In July

    2010,

    significant cracking and delamination failures were observed. It

    was determined a repair was needed however due to limited promoting weather condit

    ions and inflexible

    schedules the repair was planned for the 2011 construction season. After an on

    -

    site meeting with VTrans

    Pavement Management, Materials and Research, and District 1 personnel it was determined

    that,

    the ideal

    repair would be to mill up

    and repave the section with asphalt pavement.

    Based on the limited evaluation period it is recommended that the treatment be installed at a

    different location in Vermont

    .

    The new trial location would preferably be on new pavement, where underlying

    crack

    ing and/or distresses are not of concern to the performance of the treatment

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