Review of Design Procedure for Box Girder Bridges

Due to population growth and rapid urbanization, there has been an enormous growth in traffic volume on highways over the last few decades.In order to ensure smooth flow of traffic, numerous new highways and flyovers are being constructed.The use of box-girders has proven to be a very efficient structural solution for highway bridges and flyovers due to its high tensional rigidity, serviceability, economy, aesthetics and the ability to efficiently distribute the eccentric vehicular live load among the webs of the box-girder.For the multi-lane bridges, multi-spine/cell box-girders are most commonly adopted in order to limit the local deformations in the top slab of box.Many studies are available on suitability of box girder bridges for various spans and effect of stresses for skewed box girder bridge.The curvilinear nature of box girder bridges along with their complex deformation patterns and stress fields have led designersto adopt approximate and conservative methods for their analyses and design.Recent literature on straight and curved box girder bridgeshas dealt with analytical formulations to better understand the behavior of these complex structural systems.It was found that researchers have used finite element method for the analysis of box girder bridge.However, not much studies are available for the design of box girder bridge.Hence, this study emphasized on the design and analysis of box girder structure.The literature also indicates that the various researchers have used ANSYS, MIDAS and Stadd-Pro for the analysis of Pre-stressed Concrete Structures using FEM.