Comparative Study on NDCT with Different Shell Supporting Structures
Abstract— Natural draft cooling towers are very essential in modern days in thermal and nuclear power stations. These are the hyperbolic shells of revolution in form and are supported on inclined columns. Several types of shell supporting structures such as A,V,X,Y are being used for construction of NDCT’s. Wind loading on NDCT governs critical cases and requires attention. In this paper a comparative study on reinforcement details has been done on NDCT’s with X and Y shell supporting structures. For this purpose 166m cooling tower with X and Y supporting structures being analyzed and design for wind (BS & IS code methods), seismic loads using SAP2000.
Index terms—Geometry, Raker Columns, SAP2000V17.0, Sandwich method, Soil Loads, Wind Pressure.
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International Journal for Trends in Technology & Engineering © 2015 IJTET JOURNAL