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Parametric Study of Dome With and Without Opening

Parametric Study of Dome With and Without Opening A curve rotated about a central axis to form a surface typically used as a roof creates a dome. The dome may be different geometric parameters with an infinite number of shapes. They are capable of having extraordinarily less thickness over large span areas due to their structural behaviour. The magnificence of shells lies in the fact that in the presence of loads designer is capable of designing the shell as thin as possible. In this paper, for better understanding, the behaviour of these structures, rigidly jointed ribbed dome and schwedler dome with and without opening are considered. The proposed dome is modelled and analysed by using software ANSYS. Stress variation, maximum moment and buckling load are studied for the different rise-to-span ratio. Also, the percentage of steel required for ribbed and schwedler was examined by performing the cost analysis. It is observed that parametric study is the key to determine optimum configuration by overall. This provides direction for practical application for deciding domes with and without openings during construction. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India): Series A Springer Journals

Parametric Study of Dome With and Without Opening

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Publisher
Springer Journals
Copyright
Copyright © The Institution of Engineers (India) 2020
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-020-00447-3
Publisher site
See Article on Publisher Site

Abstract

A curve rotated about a central axis to form a surface typically used as a roof creates a dome. The dome may be different geometric parameters with an infinite number of shapes. They are capable of having extraordinarily less thickness over large span areas due to their structural behaviour. The magnificence of shells lies in the fact that in the presence of loads designer is capable of designing the shell as thin as possible. In this paper, for better understanding, the behaviour of these structures, rigidly jointed ribbed dome and schwedler dome with and without opening are considered. The proposed dome is modelled and analysed by using software ANSYS. Stress variation, maximum moment and buckling load are studied for the different rise-to-span ratio. Also, the percentage of steel required for ribbed and schwedler was examined by performing the cost analysis. It is observed that parametric study is the key to determine optimum configuration by overall. This provides direction for practical application for deciding domes with and without openings during construction.

Journal

Journal of The Institution of Engineers (India): Series ASpringer Journals

Published: Sep 7, 2020

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