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AASHTO/NTPEP

AASHTO/NTPEP. Polymer Concrete Overlays for Bridges and Pavements (PCO). Alphabet Soup. AASHTO – American Association of State Highway Transportation Officials NTPEP – National Transportation Product Evaluation Program e-PEF – Electronic Product Evaluation Form

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AASHTO/NTPEP

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  1. AASHTO/NTPEP Polymer Concrete Overlays for Bridges and Pavements (PCO)

  2. Alphabet Soup • AASHTO – American Association of State Highway Transportation Officials • NTPEP – National Transportation Product Evaluation Program • e-PEF – Electronic Product Evaluation Form • PCO – Polymer Concrete Overlays

  3. Purpose • Develop and Implement a Nationally Standardized Performance Based Evaluation Process for Polymer Concrete Overlay Systems • Reduce Redundancy of Testing • Produce Valuable Unbiased Data

  4. Polymer Concrete Overlays • Work Plan • Draft Status • Scheduled for Ballot in November 2011 • Testing Facilities • KYTC – Division of Materials • Field Test Deck • Sample Submission and Data Reporting • Data Mine • http://data.ntpep.org

  5. PCO Work Plan • Manufacturers Participation • Annual submission cycle • Overlay submitted as a system • Resin and Aggregate • Five year resubmission cycle • Testing • Laboratory • Field test deck

  6. Laboratory Testing Neat Resin Cured Resin Tensile Strength ASTM D638 Tensile Elongation ASTM D638 Modulus of Elasticity ASTM D638 Absorption ASTM D570 • Viscosity ASTM D2196 • Gel Time ASTM C881 • Flash Point ASTM D 3278 • Infrared Spectroscopy AASHTO T237

  7. Laboratory Testing Cured Resin (Filled) Surface Aggregate Gradation AASHTO T27 Soundness AASHTO T10 Absorption AASHTO T84/T85 Shore D hardness ASTM D2240 LA Wear test AASHTO T96 Specific Gravity AASHTO T84/T85 XRF Spectroscopy • Compressive strength ASTM C579 • Thermal compatibility ASTM C884 • Resistance to chloride ion AASHTO T259/T260

  8. Field Test Deck Installation Evaluation Within 30 Days, 12 Months, and 24 Months Photographs Delaminated Area (%) Bond Strength ASTM C 1583 Skid Resistance AASHTO T242 • Concrete Pavement, Asphalt Pavement, and Bridge Deck • 200 Foot Test Section • Between June 1 and June 30 • I-64 Concrete and Asphalt • I-75 over Kentucky River

  9. KYTC Skid Testing • Established Skid Testing Program • Quality Control • 3 Year Calibration cycle • Maintain 3 control sections

  10. What’s Left?? • Finalize surface preparation requirements • Develop e-PEF • Develop DataMine module • Develop Technical Committee Documents • Evaluation and Reporting time line • Quality assurance program • User’s Guide

  11. How Can YOU Help • General input on surface preparation requirements • General input on installation equipment/processes • General input on installation time requirements

  12. Thank You Derrick Castle, PCS Chemical and Corrosion Laboratory Specialist Kentucky Transportation Cabinet Division of Materials Derrick.Castle@ky.gov

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