1. Condition Assessment of Concrete Deck of the International Bridge Using Nondestructive Evaluation (NDE) Nenad Gucunski Rutgers University Center for Advanced Infrastructure and Transportation (CAIT) International Bridge Study Piscataway, New Jersey, June 13, 2011

2. Rutgers University - CAIT IBS - NDE of Concrete Deck Deck of the International Bridge: Spans 3 & 2

3. Rutgers University - CAIT IBS - NDE of Concrete Deck Corrosion Half-cell potential – Likelihood of active corrosion Electrical resistivity, GPR and MoistScan – Potential for corrosive environment Concrete Degradation Ultrasonic surface waves (USW) – Modulus degradation GPR – Likelihood of deterioration Delamination Impact echo GPR – Likelihood of delamination in highly attenuated areas Deterioration Types Vs. NDE Method

4. Rutgers University - CAIT IBS - NDE of Concrete Deck Corrosion Assessment – Half-Cell Potential

5. Rutgers University - CAIT IBS - NDE of Concrete Deck Half-Cell Corrosion Potential

6. Rutgers University - CAIT IBS - NDE of Concrete Deck Corrosion Assessment - Electrical Resistivity

7. Rutgers University - CAIT IBS - NDE of Concrete Deck Electrical Resistivity Measurement Electrical resistivity, kOhm-cm

8. Rutgers University - CAIT IBS - NDE of Concrete Deck MoistScan Survey (Relative Moisture)

9. Rutgers University - CAIT IBS - NDE of Concrete Deck MoistScan Moisture Index

10. Rutgers University - CAIT IBS - NDE of Concrete Deck Ultrasonic Surface Waves – Concrete Modulus

11. Rutgers University - CAIT IBS - NDE of Concrete Deck Ultrasonic Surface Wave (USW) Testing Concrete modulus, ksi

12. Rutgers University - CAIT IBS - NDE of Concrete Deck Ground Penetrating Radar (GPR)

13. Rutgers University - CAIT IBS - NDE of Concrete Deck Ground Penetrating Radar (GPR)

14. Rutgers University - CAIT IBS - NDE of Concrete Deck Impact Echo Testing by Stepper

15. Rutgers University - CAIT IBS - NDE of Concrete Deck Delamination Detection by Impact Echo

16. Rutgers University - CAIT IBS - NDE of Concrete Deck Summary Results Drew Noel Photography, copyright 2011. All rights reserved

17. Rutgers University - CAIT IBS - NDE of Concrete Deck Summary Results - Corrosion Electrical Resistivity in kOhm-cm Half-Cell Potential in mV Moisture Index from MoistScan