Estimations of wind-generated effects on a regular tower of varying cross-sectional shape
By: Paswan, Abhishek Prakash
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Contributor(s): Bhagya, Jayant.
Publisher: USA Springer 2023Edition: Vol.104(4), Dec.Description: 841-854p.Subject(s): Humanities and Applied SciencesOnline resources: Click here
In:
Journal of the institution of engineers (India): Series ASummary: 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.
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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.
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