Synthesis of Concrete Bridge Piles Pretressed with CFRP Systems Page: Documentation Page
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Technical Report Documentation Page
1. Report No. 2. Government 3. Recipient's Catalog No.
FHWA/TX-17/0-6917-1 Accession No.
4. Title and Subtitle 5. Report Date
Synthesis of Concrete Bridge Piles Prestressed with CFRP June 2017
Systems: Final Report 6. Performing Organization Code
7. Author(s) 8. Performing Organization Report No.
A. Belarbi, M. Dawood, A. Mirmiran, and M. Bowman FHWA/TX-17/0-6917
9. Performing Organization Name and Address 10. Work Unit No. (TRAIS)
Civil & Environmental Engineering Department 11. Contract or Grant No.
The University of Houston PS 16-350
4800 Calhoun Rd
Houston, TX 77004
12. Sponsoring Agency Name and Address 13. Type of Report and Period Covered
Texas Department of Transportation Final Report
Research and Technology Implementation Office January 2016 - December 2016
P.O. Box 5080
Austin, TX 78763-5080 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 Texas Department of Transportation frequently constructs prestressed concrete piles for use in bridge
foundations. Such prestressed concrete piles are typically built with steel strands that are highly susceptible to
environmental degradation and corrosion in harsh marine environments. The department currently employs many
techniques to combat these structural degradation, but these measures address only the symptom- not the root cause.
It would therefore be advantageous to the Agency to adopt a corrosion-resistant reinforcing material. It was then the
aim of this research to assess the feasibility of employing carbon fiber-reinforced polymers (CFRP's) into TxDOT
infrastructure through comprehensive literature synthesis, investigations in the field and interviews with design
professionals, and a comparative analysis of mechanics and economics. The findings of these studies illustrated the
feasibility of CFRP adoption when considered over the entire lifespan of a bridge structure, relying on CFRP's
excellent environmental durability to mitigate the more expensive upfront costs. Incorporating CFRP prestressing
strands into bridge piles, especially in aggressive, corrosive environments, has the potential to not only increase the
overall lifespan of the structure, but requires far less departmental maintenance, saving a large sum of repair costs
and design time. It is therefore the opinion of the Research Team that some important issues must be better
understood and quantified, such as additional drivability concerns and splicing information, before the large-scale
implementation of CFRP-prestressed piles is undertaken by the Department.
17. Key Words 18. Distribution Statement
Prestressed, CFRP. CFRP-Prestressed Piles No restrictions.
19. Security Classif (of report) 20. Security Classif. (of this page) 21. No. of pages 22. Price
Unclassified Unclassified 90
Form DOT F 1700.7 (8-72) Reproduction of completed page authorized
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Belarbi, Abdeldjelil; Dawood, Mina; Bowman, Matthias & Mirmiran, Amir. Synthesis of Concrete Bridge Piles Pretressed with CFRP Systems, report, June 2017; Houston, Texas. (https://texashistory.unt.edu/ark:/67531/metapth1032540/m1/3/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.