ANALYSIS OF BRIDGE GIRDER WITH BEAM AND WITHOUT BEAM

Bridge girder material, size, shape and selection are based on engineering and economic criteria. Steel concrete composite construction has gained wide acceptance as an alternative to pure steel and pure concrete construction, there is no need for formwork because the steel beam is able to sustain the self-weight of steel and concrete with few temporary props.In this paper, we present analysis and results of steel and steel reinforce bridge girders, based on STAAD Pro analysis and manual analysis.8 combinations of bridge girders as given below are taken and compared: RCC 0.5*1 WITH OUT BEAM RCC 0.5*1 WITH BEAM RCC 0.4*0.8 WITH OUT BEAM RCC 0.4*0.8 WITH BEAM RCC I SHAPE WITH OUT BEAM flange size 0.9m x 0.15m and web size is 0.3m x 0.3m RCC I SHAPE WITH BEAM STEEL I SHAPE WITH OUT BEAM flange size 0.9m x 0.15m and web size is 0.3m x 0.3m total height of i girder is 0.6m STEEL I SHAPE WITH BEAM The analysis was conducted between steel girders and reinforced concrete bridge girders. Based on the design calculations, effect of each girder with respect to shear, bending moment, dead load, live load, deflection and most importantly cost of each combination is analysed.