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http://dx.doi.org/10.7781/kjoss.2012.24.3.349

Long-Term Performance Evaluation of a GFRP Slab Bridge  

Ji, Hyo-Seon (대원대학교 철도건설과)
Publication Information
Journal of Korean Society of Steel Construction / v.24, no.3, 2012 , pp. 349-360 More about this Journal
Abstract
This paper describes a detailed assessment of the structural safety, serviceability, capacity rating and long-term performance of a glass fiber-reinforced polymer (GFRP) slab bridge superstructure. This first all-GFRP slab bridge was installed in Korea on May 2002. The GFRP slab bridge is a simply supported, its length is 10.0 m, and is designed to carry two-lane traffic and has an overall width of 8.0m. The GFRP slab bridge is a sandwich structure with a corrugated core, fabricated by hand lay-up process with E-glass fibers and vinyl ester resins. The assessment of long-term performance for the GFRP slab bridge in 2004, 2011 includes a field load testing identical to that performed in 2002. The assessment indicates that the GFRP slab bridge has no structural problems and is structurally performing well in-service as expected. The assessment may provide a baseline data for the capacity ratings assessment of the GFRP slab bridge and also serve as part of a long-term performance of all-GFRP bridge superstructure.
Keywords
GFRP slab bridge; long-term performance; field load test; capacity ratings;
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