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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Performance Evaluation of a Short-Span Bridge Built with FRP Reinforced Concrete Panels
Author(s): U. Deza and A. Nanni
Publication: Special Publication
Appears on pages(s): 1191-1208
Keywords: FRP reinforced concrete panels; impact factor; live load deflection; load fraction distribution; multi-panel bridge deck; nondestructive load test; stiffness degradation
Abstract:This paper describes the evaluation of the in-service performance of a short-span bridge deck built with FRP reinforced concrete (RC) panels. The Walters Street Bridge consists of nine FRP-RC panels connected with shear keys. The multi-panel bridge deck was monitored for a period of four years by load testing the bridge deck with standard trucks and collecting deflection data. Experimentally derived factors such as stiffness degradation, and load fraction distribution between panels were computed from field deflections and compared with AASHTO provisions and results of an analytical study. The load fraction values, which assess the transverse load distribution, were consistent along the 4-year period. Load tests involving the use of two trucks at the same time were performed in the last year with the purpose of finding the most critical deflection under service load conditions, which was compared to allowable AASHTO live load deflections. Analytical deflections were calculated using ACI guidelines and structural analysis methods. The load tests, as well as the analytical results, revealed that the deflections were well within the recommended AASHTO values.
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