Parametric Study of Single Cell Box Girder Bridge under Different Radii of Curvature

Abstract:

Box girders are now prominently used in freeway and bridge systems because of its structural efficiency, better stability, serviceability, economy of construction and pleasing aesthetics. Due to its high torsional rigidity box girders are most suited for curved bridges. In the present investigation, a comparative study of straight and curved box girder bridges with trapezoidal cross section has been carried out. The analysis is carried under the dead load, super imposed dead load, live load of IRC Class A tracked vehicle and prestressed load .This paper focus on the parametric study of box girders with different radius of curvature by keeping the span, cross sectional shape and material properties constant. The parametric investigations performed on curved box girders helps to evaluate the effects of change in radius of curvature on the behaviour of the box girders. This study would help the bridge engineers to better understand the behaviour of straight and curved box girder bridges. The results obtained from this study will be a valuable guidance to the bridge designers.

• Periodical: Applied Mechanics and Materials (Volume 857)
• Pages: 165-170
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.857.165
• Online since: November 2016
• Authors: Jefeena Sali*, Regi P. Mohan
• Keywords: Box Girder, Radius of Curvature, Stability, Torsional Rigidity

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