Preservation of Missouri Transportation Infrastructures: Life Expectancy Modeling for FRP Strengthened Concrete Bridges
作者： John J Myers , Aniket Sawant , None
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摘要: The use of fiber reinforced polymer (FRP) in repairing and strengthening bridges has been an active area research implementation recent years. In particular, adhering FRP to the tension face concrete (RC) beams provided increase load carrying capacity extended service life structures. However, expectancy this technology not yet fully investigated or documented due insufficient data. report, authors present one possible strength degradation approach using analytical modeling determine strengthened bridges. An actual Carbon field bridge Dallas County, Missouri, USA, was utilized demonstrate approach. County Bridge P-0962 constructed 1955 2003. To predict behavior structure, a theoretical model derived basic concepts, past research, properties specimens tested for critical chloride concentration. interaction estimation is based on reduction moment corrosion reinforcement before after strengthening, bond substrate concrete, material itself fatigue analysis. This first structures statistical data available literature.
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