Abstract
Reinforced chimneys are used in Power plants to take the hot and poisonous flue gas to a great height designed mainly to resist the lateral forces like wind and earthquake as well the thermal stresses of the flue gas. An attempt is made to understand the variation of lateral deflection at the top of the chimney, by varying the height of chimney above 275 m. A total of five models are selected for five different heights i.e 275m, 285m, 295m, 305m & 315m and the analysis is done. All the models were analyzed and the lateral deflection regarding is calculated. Code of practice for design of reinforced concrete chimney (Third revision of IS 4998:1992 [Part I]) is used for the referance analysis. STAAD PRO software is used to do the analysis. Further an attempt is made to understand the variation of lateral deflection at the top of the chimney for different heights.
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