Study of Concrete Filled Steel Tubular Arch Bridge: A Review

Abstract:

In many developed countries, concrete filled steel tubular arch bridges are being constructed for roads and railway lines. The CFST arch bridges use steel tubular arches with self consolidating concrete pumped inside and the steel tube provides confinement to the concrete infill. Also, these concrete filled steel tubes have enhanced ductility, better seismic performance, aesthetic quality, lesser consumption of materials and self weight, speedy construction and small vibrations according to studies conducted earlier. Due to the presence of steel tube, local buckling of arch is delayed and reduces the ingress of moisture when exposed to harsh environmental conditions. This paper aims to find the seismic performance of CFST arch bridges in terms of seismic output and deformation when compared to conventional bridges being currently constructed.

• Periodical: Applied Mechanics and Materials (Volume 857)
• Pages: 261-266
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.857.261
• Online since: November 2016
• Authors: Shilpa Rajeev*, Deepak John Peter, M.V. Varkey
• Keywords: Arch Bridges, Concrete-Filled Steel Tube (CFST), Confinement, Ductility, Local Buckling, Seismic Resistance

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