SCVTA using Tire Derived Aggregate as vibration reducing material

Written by Jenifer Nunez, assistant editor

Santa Clara Valley Transportation Authority (SCVTA) says it makes every effort to be a good neighbor and steward of the earth.

To help reduce noise and vibration and recycle, SCVTA received a $300,600-grant from CalRecycle, California’s champion for waste reduction, recycling and reuse, to install Tire Derived Aggregate (TDA) on the Bay Area Rapid Transit Silicon Valley Project.

TDA is a method of sustainable construction in which scrap vehicle tires are transformed into a vibration-reducing material. Approximately 4,200 tons of TDA are being installed beneath the tracks in four locations along the BART Silicon Valley corridor to help reduce vibration from passing BART trains.

SCVTA says TDA is an environmentally-friendly construction material, which provides a permanent second use for recycled tires. A one-foot thick layer of shredded tires will be placed beneath the track foundation, where BART rails will be installed.

 

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