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Title: Design of FRP-Prestressed Concrete Bridge Girders

Author(s): Raymon W. Nickle and Yail J. Kim

Publication: Symposium Paper

Volume: 340

Issue:

Appears on pages(s): 233-246

Keywords: bridges; design; fiber reinforced polymer (FRP) composites; prestressed concrete

Date: 4/1/2020

Abstract:
With over 80 years of history, it is only in the last 20 years that the use of fiber reinforced polymer (FRP) materials has become feasible for bridge applications in part due to the ever increasing requirement to make structures last longer, with the current American Association of State Highway Transportation Officials (AASHTO) Load and Resistance Factor Design (LRFD) Bridge Design Specifications requiring that structures be designed for a 75 year design life; but also in the development of cost effective production techniques, and the introduction of FRP materials, which bring the cost and strength of FRP materials closer to traditional steel reinforcement. Published documents provide comprehensive recommendations on design methodology, predictive equations, and recommendations for strength and service limits states. In this paper, the background of FRP-prestressed concrete bridges is discussed and trial bridges are designed. Research needs to advance the state of the art are identified and delineated.




  

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