H.I. Construction Ltd. - Asphalt Paving PEI
There are numerous used of TDA. Engineering specs have been used since 1990, ASTM D6270. Standard Practice For Use Of Scrap Tires In Civil Engineering Practices.
Quick facts that might answer any questions you have:
Below are some enginering practices using TDA.
The equivalent of an eight year supply of PEI tires was just recently used by the NBDOT in St. Stephen New Brunswick (2008). Tires were used because heavier aggregate sunk in the low area, washing away normal heavier material.TDA has great attributes that make it perfect as light weight fill or protection against frost heaving in roads.








1.2 million tires were used and an estimate of $300,000 was saved on the project. The material was used because they could not obtain stability on the weak foundation. See more about the Maine Tire Project.
TDA can also be used in landfills as daily cover, leachate system, thermal insulation for membrane. Please see New York Landfill Report for more detailed report.
Shredded tires are easier to transport. For example, instead of sending 5 normal truckloads of full tires you could just send 1 truck of shredded tires. This offers great economic and environmental benefits.
Using Shredded Tires as Lightweight Fill Material for Road Subgrades.