Abstract
This paper describes a synthesis of findings pertaining to rehabilitation of concrete T-beam bridges with externally bonded FRP composites from a Pennsylvania Department of Transportation District 3 (PennDOT D3) project, with the purpose of answering common questions of concern mainly by state Department of Transportation (DOT) engineers and officials. A method for selecting applicable candidate bridges for suitability of repair with externally bonded FRP composites is described. With this classification, a candidate bridge was selected for a contract repair project. Field and laboratory testing of existing and repaired bridge materials is described. Structural analysis was based on AASHTO specifications. Finite Element (FE) model-ing was performed. Current ACI 440.2R-08 design guidelines were used. Supporting full-scale lab studies were conducted. Results were used to develop draft PennDOT design standards and construction specifica-tions and to apply “lessons learned” to the design and constructability of nearly 1,000 concrete T-beam bridges in Pennsylvania, USA.
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© 2011 Tsinghua University Press, Beijing and Springer-Verlag Berlin Heidelberg
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Davalos, J.F., Chen, A., Ray, I., Justice, A. (2011). A Systematic Study of Rehabilitation of Reinforced Concrete T-beam Structures Using Externally Bonded FRP Composites. In: Ye, L., Feng, P., Yue, Q. (eds) Advances in FRP Composites in Civil Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-17487-2_151
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DOI: https://doi.org/10.1007/978-3-642-17487-2_151
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