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Structural Engineering and Mechanics Volume 24, Number 5, November30 2006 , pages 561-584 DOI: https://doi.org/10.12989/sem.2006.24.5.561 |
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Design approach for a FRP structural formwork based steel-free modular bridge system |
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Lijuan Cheng and Vistasp M. Karbhari
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| Abstract | ||
| The paper presents results of parametric studies, and an overall approach for the design of a modular bridge system which incorporates a steel-reinforcement free concrete slab cast on top of carbon FRP stiffened deck panels which act as both structural formwork and flexural reinforcement, spanning between hollow box type FRP girders. Results of the parametric studies are highlighted to elucidate important relationships between critical configurational parameters and empirical equations based on numerical studies are presented. Results are discussed at the level of the individual deck and girder components, and as a slab-on-girder bridge system. An overall design methodology for the components and bridge system including critical performance checks is also presented. | ||
| Key Words | ||
| steel-free; fiber reinforced polymer; structural formwork; parametric study; design approach; modular bridge system. | ||
| Address | ||
| Lijuan Cheng; Department of Civil and Environmental Engineering, University of California, Davis, CA 95616, USA Vistasp M. Karbhari; Department of Structural Engineering, University of California, San Diego, La Jolla, CA 92093-0085, USA | ||