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Mechanical Properties of Portland Cement Concrete With Recycled Asphalt Pavement as Partial Replacement for Coarse Aggregate

Finding constructive uses for construction waste byproducts contributes to green engineering principles. One such plentiful material is recycled asphalt pavement (RAP). This report looks at the mechanical viability of including RAP in a high strength concrete mix. The mechanical behaviors studied are: freeze-thaw durability, chloride ion penetration, bond strength, ductility, strain-rate, coefficient of thermal expansion and modulus of elasticity. The tests conducted follow ASTM and AASHTO standards where possible. A few variations to the standards are made to accommodate the limitations of the Idaho State University Laboratory. In each of the tests conducted the RAP mix performed as well or better than the control mix, except for the strain rate tests where the results were inconclusive These results show that the inclusion of RAP coarse aggregate in a high strength mix is a viable solution to achieve a “green” alternative to normal concrete mixes.

Language

  • English

Project

  • Status: Completed
  • Funding: $38312.00
  • Contract Numbers:

    RP 238

  • Sponsor Organizations:

    Idaho Transportation Department

    P.O. Box 7129, 3311 West State Street
    Boise, ID  United States  83707-1129
  • Project Managers:

    Barrus, Jesse

  • Performing Organizations:

    Idaho State University, Pocatello

    921 South 8th Avenue
    Pocatello, ID  United States  83209
  • Principal Investigators:

    Sorensen, Andrew

  • Start Date: 20140101
  • Expected Completion Date: 20151130
  • Actual Completion Date: 20160630
  • Source Data: RiP Project 36448

Subject/Index Terms

Filing Info

  • Accession Number: 01560826
  • Record Type: Research project
  • Source Agency: Idaho Transportation Department
  • Contract Numbers: RP 238
  • Files: RIP, STATEDOT
  • Created Date: Apr 23 2015 1:00AM