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  • 1. Composites Advantage, LLC
    Carbon Fiber Composite Solutions for Structural Strengthening & Protection
  • 2. Specialty engineering firm
    FRP experts
    Materials systems supplier
    Applicator and Architectural Finishes
    Who is Composites Advantage, LLC ?
  • 3. FRP is a strengthening tool
    Conventional strengthening tools
    Concrete enlargement (shotcrete), underpinning, post tensioning, steel plates
    Fiber-reinforced polymers (FRP)
    A composite system (carbon/glass fabric + epoxy matrix) used to augment another composite system (concrete + rebar)
    Formats: “wrap”, prefab: dowel bars, plates, strips
    FRP provides on the outside what concrete is missing inside (e.g. hoop steel for columns).
  • 4. Strengthening applications
    Change of use…increased live/wheel loads
    Installation of heavy machinery
    expansion of existing facilities
    Construction or design defects
    Code changes…new design criteria
    legislature driven
    Seismic retrofit
    Blast protection
    Deterioration remediation
    For concrete columns, beams, slabs, walls
  • 5. Fiber composites
    Fabric can be custom cut at project site
    Easy to handle and install
  • 6. Fabric Manufacturing
    Spools of fibers are combined into fabrics and pre-cured strips
  • 7. Key FRP concepts
    Confinement
    Columns
    Think of a weightlifter’s waist belt
    FRP keeps column rebar from buckling
    Added tensile strength
    Underside of beams
    Shear strength
    Walls
    Adds in and out-of-plane strength
  • 8. From military to construction
  • 9. History of FRP for construction
    Mid 1980s
    EU and Japan begin FRP research and development
    Late 80s, early 90s
    Funding for US universities begins
    Leverage technology developed during the Cold War
    FHWA, CalTrans*, DARPA
    UCSD, UofM/Rolla, Penn State, Brown University, North Carolina State, University of Arizona
  • 10. Composites Testing Lab
  • 11. Typical Applications
    CFRP Overlays
  • 12. Hospitals
  • 13. Parking Structures
  • 14. Composites are now accepted for
    retrofit and rehabilitation
    • 20 years of history, over 20,000 projects completed worldwide
    • 15. ICC, LARR, ACI, Caltrans, FHWA, cities, DSA, and OSHPD* have accepted for a variety of projects
  • COMPOSITE OVERLAYS
    FOR
    BLAST RETROFITS
  • 16. Blast test results
    Unprotected column severely deformed from C4 blast
    Column wrapped in carbon fiber holds up in same blast
  • 17. FRP’s benefits
    Engineering benefits
    Very high tensile strength (10-14x steel) but also ductile (complements concrete’s properties)
    Very corrosion resistant
    Architectural and construction benefits
    Easier to apply/install
    Lightweight, thin, unnoticeable
    Minimal structure/tenant intrusion & disruption
    Economic benefits
    Low installation costs
    Great, tangible, ROI
    FRP works.
    It’s been reviewed, validated, approved, documented and incorporated worldwide.
  • 18. Building owner benefits
    Shorter projects
    Lower cost
    Safe and effective
    Much less tenant disruption
    Industry/Agency/Peer acceptance
  • 19. Installation expertise
    Proper usage (structural engineering)
    Safety & insurance (look for qualified contractors)
    Installation environment (doing your homework)
    Demolition
    Surface preparation
    Proper installation techniques
    Keen attention to detail
    QA/QC (core competence)
    Samples collection and mgt.
    Finishing (virtually any finish can be applied)
  • 20. FRP benefit: ROI
    Case Study
    $18.5M D/B Renovation Project: “BEQ-26”
    • San Diego based Navy barracks underwent renovation, including seismic.
    • 21. Original plan called for shotcrete for strengthening.
    • 22. Through collaborative efforts, FRP was VE’d in its place
    • 23. Navy benefits:
    • 24. 60% less demolition (landfill)
    • 25. 50% less disruption
    • 26. no loss of square footage space
    • 27. Navy saved $500,000 and 9months (roughly a 36 mo prjt)
    • 28. Project was 1 of 21 nominees for the 2002 Charles Pankow Award for Innovation
  • Next steps
    Composites Advantage, LLC. can meet with you or your SE/architect to discuss FRP’s benefits in more detail
    VE analysis
    Free consultation
    Information is available in CD or print form
    For projects already spec’d or on the street, we are ready to do the work
  • 29. Thank You
    Composites Advantage, LLC
    Steve Behrens
    24031 El Toro Road
    Suite 304
    Laguna Hills, California 92653
    714-926-8056 office/mobile
    Email: steve@compositesadvantage.com