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Rubberized Asphalt

Rubberized Asphalt. By: Gabriel Ortiz MEEN 3344. 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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Rubberized Asphalt

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  1. Rubberized Asphalt By: Gabriel Ortiz MEEN 3344

  2. 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.

  3. 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.

  4. 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.

  5. 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/eastvalleyopinions/articles/0804cr-edit04.html • http://www.dnr.state.oh.us/recycling/awareness/facts/tires/crumbrubber.htm

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