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Computational Science, Engineering & Technology Series
ISSN 1759-3158
Edited by: J.W. Bull
Chapter 2

Effects of Wind in Tall Buildings: A Comparison for a Real Case and its Vibration Control using a Tuned Mass Damper

R.C. Barros, N.A.C. Ferreira and R. Delgado

Faculty of Engineering, University of Porto, Portugal

Full Bibliographic Reference for this chapter
R.C. Barros, N.A.C. Ferreira, R. Delgado, "Effects of Wind in Tall Buildings: A Comparison for a Real Case and its Vibration Control using a Tuned Mass Damper", in J.W. Bull, (Editor), "Tall Buildings: Design Advances for Construction", Saxe-Coburg Publications, Stirlingshire, UK, Chapter 2, pp 13-53, 2014. doi:10.4203/csets.33.2
Keywords: wind response, tall buildings, vibration control, tuned mass damper, Eurocode 1.

This work addresses basic concepts regarding the wind effects on tall buildings and the tall building's subsequent wind responses. The methodology proposed in Eurocode 1 for quantification of the wind actions is compared with the methodology still in force in the Portuguese code, to assess the advantages and disadvantages of each towards a more realistic building design. Using commercial software for the structural calculations, a study of a specific tall building is performed using the actions associated with the two codes, with the intention of comparing resultant stresses and generalized displacements. A simplified method for quantifying the dynamic action on these structures is adopted, with the purpose of studying techniques for vibration control of the wind induced building response in terms of displacements and accelerations. For the tall building being studied, a comparison is made between the building's response under dynamic wind action with and without a tuned mass damper.

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