Sounds Wall

Structural design utilizing panels manufactured using scrap rubber tires, internal structural steel
uprights, and an underground reinforced concrete base

  • Insertion loss of 23dBA
  • STC rating of 51 per ASTM E90‐09
  • NRC rating of 0.25
  • Dynamic wind load testing up to 130mph with no damage to the structure
  • Costing estimates for 15ft tall wall x 8ft wide
  • Rubber panels
  • Installed cost ‐ rubber panels with steel internal columns and concrete base

• Costing estimates for 15ft tall wall x 8ft wide
o Rubber panels
o Installed cost ‐ rubber panels with steel internal columns and concrete base
• Additional features that can be added
o Flexible urethane or epoxy based coating to complete color matching on the residential side of
the wall section / can also have ant‐graffiti coatings applied
o Top cap area can be replaced with decorative top/molding

  • Sequence of installation
    o Excavate trench
    o Set base
    o Backfill around base
    o Install columns on base – plumb columns
    o Set rubber panels and attach top cap

    • Scrap tire usage
    o 1 mile of noise wall (both sides of the road) at 15ft tall uses 634,000 scrap tires

• Structure details
o Wall designed for wind loads per AASHTO guide specifications for structural design of sound
barriers (V=70 mph, Exp=C) with 1.5 factor of safety
o Minimum soil bearing pressure at the bottom of the footings assumed at 2,000 psf
o Minimum lateral soil bearing assumed at 150 psf/f
o All steel used for columns is hot dipped galvanized in accordance with ASTM A153

   
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