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Estimations of Wind-Generated Effects on a Regular Tower of Varying Cross-Sectional Shape

Estimations of Wind-Generated Effects on a Regular Tower of Varying Cross-Sectional Shape Tall Buildings are coming up all around the world since the land availability in the plan shape is limited hence irregular plan cross-sectional shape are designed. Wind load standards of different countries are also silent about the modification of tall building. The present study analysed the wind effects on the tall building where modification is provided in the vertical plane of the structure and the tall building is consisting of two types of cross-sectional shape such as square and plus shape. Wind effects are investigated from 0° to 90° wind incidence angles at the interval of the 30°. The result is presented in various graphical forms such as pressure contours stream lines in plan and average pressure coefficient on each surface of the tall building. Cross-sectional shape has a significant impact on reducing the wind effects, also it is observed that the recirculation zone of wind is most effective on one-third height of the leeward face for such type of modifications. Positive pressure was noted on the wind ward face, while suction that is negative pressure is observed on the leeward and side faces of the tall building for most of the wind incidence angle. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India) Series A Springer Journals

Estimations of Wind-Generated Effects on a Regular Tower of Varying Cross-Sectional Shape

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References (24)

Publisher
Springer Journals
Copyright
Copyright © The Institution of Engineers (India) 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-023-00740-x
Publisher site
See Article on Publisher Site

Abstract

Tall Buildings are coming up all around the world since the land availability in the plan shape is limited hence irregular plan cross-sectional shape are designed. Wind load standards of different countries are also silent about the modification of tall building. The present study analysed the wind effects on the tall building where modification is provided in the vertical plane of the structure and the tall building is consisting of two types of cross-sectional shape such as square and plus shape. Wind effects are investigated from 0° to 90° wind incidence angles at the interval of the 30°. The result is presented in various graphical forms such as pressure contours stream lines in plan and average pressure coefficient on each surface of the tall building. Cross-sectional shape has a significant impact on reducing the wind effects, also it is observed that the recirculation zone of wind is most effective on one-third height of the leeward face for such type of modifications. Positive pressure was noted on the wind ward face, while suction that is negative pressure is observed on the leeward and side faces of the tall building for most of the wind incidence angle.

Journal

Journal of The Institution of Engineers (India) Series A – Springer Journals

Published: Dec 1, 2023

Keywords: Tall building; Varying cross section; Pressure contours; Streamlines; Wind load

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