Tire-derived aggregate

Tire-derived aggregate (TDA) is a building material made of recycled tires, which are shredded into pieces of varying sizes. It is commonly used in construction projects because it is sustainable and lightweight, along with being less expensive than many competing available materials. [1] In 2007, an estimated 561.6 thousand tons (about 509 metric tons) of TDA were produced.[2][3] This accounted for about 12 percent of the total recycled tire material used. Particle sizes less than 12mm are considered crumb rubber.[4]

Applications:

  • stormwater management due to high permeability[5]
  • road fill and parking lots improves weak soil and for frost heave reduction in cold climates
  • landfilling due to permeability for leachate collection, gas collection
  • sight, slope, landslide stabilization due to lower hydrostatic pressure than soil
  • vibration mitigation due to absorption capacity
  • backfill for driveways, septic tanks, sidewalks, basements, etc.
  • soft surfaces for walking paths, playgrounds, etc.[6]

References
  1. "Tire-Derived Aggregate (TDA)". www.calrecycle.ca.gov. Retrieved 2020-04-26.
  2. Humphrey Dana; Blumenthal Michael (2010). "The Use of Tire-Derived Aggregate in Road Construction Applications". Green Streets and Highways 2010. Proceedings: 299–313. doi:10.1061/41148(389)25. ISBN 9780784411483.
  3. "TDA Recycling volumes".
  4. "TDA sizes and shear strength" (PDF).
  5. "Applications for Tire Derived Aggregated produced byTDA Manufacturing". TDA Manufacturing. Retrieved 2023-07-11.
  6. "Crumb Rubber". U.S. Consumer Product Safety Commission. 2022-11-16. Retrieved 2023-07-11.
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