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- Title
Computational Modeling of Aramid Fiber-Reinforced Polymer Prestressed Girder in Composite Action with Bridge Deck.
- Authors
Gar, Shobeir Pirayeh; Head, Monique Hite; Hurlebaus, Stefan
- Abstract
Aramid fiber-reinforced polymer (AFRP) tendons, which are inherently corrosion-resistant, can be used to replace steel prestressing strands in bridge girders to enhance bridge sustainability. Despite ongoing experimental research, there is a lack of uniformity and consistency in testing procedures, definitions of material characteristics, and results. Therefore, a robust computational model is needed to perform a refined nonlinear analysis of full-scale AFRP prestressed girders. This paper presents the development of a computational model to numerically evaluate the flexural behavior of an AASHTO I-girder (Type I) prestressed with AFRP tendons in comparison to its conventional prestressing steel counterpart. Numerical results match experimental test data with a high degree of accuracy and reveal that an AASHTO I-girder prestressed with AFRP meets service and strength limit states. Numerical results also show that the deflection equation in ACI 440.4R overestimates the maximum deflection of the AFRP prestressed girder.
- Subjects
ARAMID fibers; FIBER-reinforced concrete; PRESTRESSED concrete bridges; STRUCTURAL frames; GIRDERS
- Publication
ACI Structural Journal, 2013, Vol 110, Issue 6, p965
- ISSN
0889-3241
- Publication type
Article
- DOI
10.14359/51686152