AASHTO/NTPEP

Polymer Concrete Overlaysfor 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

PCO – Polymer Concrete Overlays

Purpose

Develop and Implement a Nationally Standardized Performance Based Evaluation Process for Polymer Concrete Overlay Systems

Reduce Redundancy of Testing Produce Valuable Unbiased Data

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

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

Laboratory Testing

Neat Resin Viscosity

ASTM D2196 Gel Time

ASTM C881 Flash Point

ASTM D 3278 Infrared Spectroscopy

AASHTO T237

Cured Resin Tensile Strength

ASTM D638 Tensile Elongation

ASTM D638 Modulus of Elasticity

ASTM D638 Absorption

ASTM D570

Laboratory Testing

Cured Resin (Filled) Compressive strength

ASTM C579 Thermal compatibility

ASTM C884 Resistance to chloride ion

AASHTO T259/T260

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

Field Test Deck

Installation 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

Evaluation Within 30 Days, 12

Months, and 24 Months Photographs Delaminated Area (%) Bond Strength

ASTM C 1583

Skid ResistanceAASHTO

T242

KYTC Skid Testing

Established Skid Testing Program Quality Control

3 Year Calibration cycle Maintain 3 control sections

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

How Can YOU Help

General input on surface preparation requirements

General input on installation equipment/processes

General input on installation time requirements

Thank You

Derrick Castle, PCSChemical and Corrosion Laboratory SpecialistKentucky Transportation CabinetDivision of Materials

Derrick.Castle@ky.gov