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Recycled Concrete John Schuler, PE George Filz, PhD, PE Program Manager Professor

Recycled Concrete John Schuler, PE George Filz, PhD, PE Program Manager Professor Virginia DOT Materials Division Virginia Tech October 31, 2011. Industry through VTCA Aggregates Committee brought to VDOT’s attention

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Recycled Concrete John Schuler, PE George Filz, PhD, PE Program Manager Professor

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  1. Recycled Concrete • John Schuler, PE George Filz, PhD, PE • Program Manager Professor • Virginia DOT Materials Division Virginia Tech • October 31, 2011

  2. Industry through VTCA Aggregates Committee brought to VDOT’s attention • Contractors seeking to use stockpiles of CHCC on VDOT jobs (HR, Albemarle, Richmond) • Requires not only gradation, but source property testing

  3. CO Mat’ls working up draft language for Materials MOI and to put current SP into Spec Book - SP S208B00-0708 • VIRGINIA DEPARTMENT OF TRANSPORTATION • SPECIAL PROVISION FOR • CRUSHED HYDRAULIC CEMENT CONCRETE (CHCC) • (USED AS SUBBASE AND AGGREGATE BASE MATERIAL) • January 14, 2008c • Goal: Ensure same requirements for CHCC as for virgin aggregate; ensure proper use on project • For now, will not change requirement of not using where have underdrain due to leachate clogging geofabric

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