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Due to the recent developments in design optimization techniques and advanced construction technologies, uses of castellated beams have become very popular. Castellated beams because of their high strength to weight ratio and low maintenance and painting cost have effectively replaced built-up girders in light to medium constructions for medium to long spans. Longitudinal cuts in the form of openings along the web of castellated beams also results in stronger and stiffer beams than their parent beams without any increase in the self-weight. In this study, attempts are made to compare the behavior of castellated beams with their parent beams. Studies on effect of different web openings on deflection are carried out using finite element analysis.
Jacob et al. (Tue,) studied this question.
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