i
Technical Report Documentation Page
1. Report No.
FHWA/TX-23/5-6950-01-1
2. Government
Accession No.
3.
Recipient’s Catalog No.
4. Title and Subtitle
Implementation Evaluating Bridge Behavior Using Ultra-High-
Resolution Next-Generation Digital Image Correlation (DIC):
Applications in Bridge Inspection and Damage Assessment
5. Report Date
Submitted: August 2022
6. Performing Organization Code
7. Author(s)
Shima Rajae, PhD; Rasool Ghorbani, PhD; Seyed Sasan Doalti,
https://orcid.org/0000-0002-9255-3547; Wassim M.
Ghannoum, PhD, https://orcid.org/0000-0003-2631-7690
8. Performing Organization Report No.
5-6950-01-1
9. Performing Organization Name and Address
University of Texas at San Antonio
Department of Civil and Environmental Engineering
One UTSA Circle
San Antonio, TX 78249
10. Work Unit No. (TRAIS)
11. Contract or Grant No.
5-6950-01
12. Sponsoring Agency Name and Address
Texas Department of Transportation
Research and Technology Implementation Division
125 E. 11
th
Street
Austin, TX 78701
13. Type of Report and Period Covered
Implementation Report
July 2021– August 2022
14. Sponsoring Agency Code
15. Supplementary Notes
Project performed in cooperation with the Texas Department of Transportation and the Federal Highway
Administration.
16. Abstract
The Civil Infrastructure Vision (CIV) system is an integrated software/hardware system is based on principles
of Digital Image Correlation (DIC) developed at UTSA for TxDOT. The system can be used to monitor
surface deformations on bridges to accuracies on the order of 1/1,000
th
in. Project objectives included training
TxDOT on using the system during load testing and processing the resulting deformation data.
Ten bridges were load tested over a period of one year using CIV. Throughout this project, procedural
improvements were made to accelerate load testing and minimize traffic disruptions. In the end, the team was
able to complete the full process, from arriving to a site through finishing repacking equipment, in less than
two hours. This allowed up to three load tests in one day; a much faster process than using traditional
instruments, with which a load test could take several days and require direct access to a bridge underside.
17. Key Words
Bridges, load testing, non-contact measurements, load
rating, digital image correlation
18. Distribution Statement
No restrictions. This document is available to the
public through the National Technical Information
Service, Alexandria, Virginia 22312; www.ntis.gov.
19. Security Classif. (of report)
Unclassified
20. Security Classif. (of this page)
Unclassified
21. No. of pages
31
22. Price
Form DOT F 1700.7 (8-72) Reproduction of completed page authorized
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