Page 40 - Plastics News August - 2023
P. 40

FEATURE






          Applied Testing of Recycled Plastic in Road Pavement Materials
                                                                                 creation of asphalt pavement. These
                                                                                 include three     different types of poly-
                                                                                 ethylene (PE) and ground tire rubber.
                                                                                 According to Bill Buttlar, director at
                                                                                 the  Mizzou Asphalt  Pavement  and
                                                                                 Innovation  Lab,  building  at  full  scale
                                                                                 will help researchers determine if the
                                                                                 rock, asphalt, and plastic & rubber
                                                                                 additives successfully bond to create
                                                                                 a road that can stand up to weather
                                                                                 conditions and heavy traffic.
                                                                                 Previously, the group had installed  a
                                                                                 test road along Stadium Blvd. in Co-
                                                                                 lumbia, MO, to evaluate four types of
                                                                                 recycled materials. The group special-
                                                                                 izes in a dry process that enables the
             sample of asphalt material ready  Missouri Department  of Transporta-  addition of recycled materials directly
          A  for testing  at the  University  of  tion, the research team has recently  into the mixture before its application
          Missouri lab.                      created a real-world test road along a  to the road surface.
          Researchers at the University of Mis-  portion of interstate 155 in Southeast-  An asphalt roller compacts plastic
          souri are using recycled materials in-  ern Missouri.                  waste pavement mixture  along Sta-
          cluding plastic waste in experimental  The  test road will be used to com-  dium Blvd. in Columbia.
          replacements  for traditional  asphalt  pare the effectiveness of nine differ-
          pavement.  In partnership  with  the  ent types of recycled materials in the







































          40   PLASTICS NEWS                                                                           August 2023
          40 PLASTICS NEWS
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