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Castellated girders having straight or curved profile are extensively used in structural application due to its aesthetics, versatility, economy and ease of use. The present paper is focused on Finite Element Analysis of curved castellated steel beam. The prime objective is to study the impact of opening and rise on behaviour of these curved steel beams. A parametric study has been conducted on arched castellated girder for various ratio of depth to opening for variable degree of curvature proportional to the span of the girder. The main focus of study in this paper is the temperature variation that exists between building interior and external environment. The FEA study reveals from the results that mid span deflection of beam increases with increase in size of opening. It is also observed that there is a sudden reduction of stresses when the span to rise ratio is reduced from 7 to 6. Keywords— Curved castellated beam; Circular web opening; Finite Element Analysis, Variable Temperature effect.

FE Analysis of Curved Castellated Girder for Variable Thermal Condition