Rubberized Asphalt

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Rubberized Asphalt

• By Gabriel Ortiz
• MEEN 3344

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How is it Made?

• A tire is shredded to loosen the steel belting.
• A magnet removes steel from the rubber
• The rubber pieces are grinded down into small
  pellets.
• 20 of tire rubber which is blended with an 80
  liquid asphalt mixture.

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What are the Benefits?

• Great place to dispose of tires.
• Creates a quiet ride about 75 decrease in noise.
• Heat-efficient porous top layer cools quickly.
• Safer than concrete, it allows water to travel
  through it and be pushed off to the sides of the
  road, decreasing hydroplaning.
• Reduced rutting when compared to regular asphalt.
• More skid resistant.

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Disadvantages

• Cost
• Heat sensitive - It must be applied on surfaces
  ranging from 85-145 degrees Fahrenheit.
• It is a coating of only a few inches so a base
  material of asphalt or concrete is still required.

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Sources

• dot.ca.gov/hq/esc/Translab/fpmlab/T021_3d
• http//www.azdot.gov/Highways/EEG/QuietRoads/what_
  is_rubberized_asphalt.asp
• http//www.azcentral.com/arizonarepublic/eastvalle
  yopinions/articles/0804cr-edit04.html
• http//www.dnr.state.oh.us/recycling/awareness/fac
  ts/tires/crumbrubber.htm