<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The interference effects on the distribution of external wind pressure coefficient between two high-rise buildings with an elliptical cross section were studied experimentally at the Boundary Layer Wind Tunnel (BLWT) at the Faculty of Civil Engineering STU in Bratislava, Slovakia. Various arrangements of models, which were derived from the breadth ratio, were investigated. The peak value of the external wind pressure coefficient for a stand-alone model was measured and compared with the peak value in the case of interference. The measurements showed that the wind loads on buildings in a close vicinity are considerably different from those on a stand-alone building. The interference effects significantly affect negative pressure zones. The optimal and critical arrangements of buildings were evaluated. The elimination of peak negative external wind pressure coefficients can be reduced by half. On the other hand, the interference effects had a strong impact on increasing the peak value of the negative external wind pressure coefficient, which can be more than roughly double compared to an isolated building.</p>
</abstract>

The interference effects on the distribution of external wind pressure coefficient between two high-rise buildings with an elliptical cross section were studied experimentally at the Boundary Layer Wind Tunnel (BLWT) at the Faculty of Civil Engineering STU in Bratislava, Slovakia. Various arrangements of models, which were derived from the breadth ratio, were investigated. The peak value of the external wind pressure coefficient for a stand-alone model was measured and compared with the peak value in the case of interference. The measurements showed that the wind loads on buildings in a close vicinity are considerably different from those on a stand-alone building. The interference effects significantly affect negative pressure zones. The optimal and critical arrangements of buildings were evaluated. The elimination of peak negative external wind pressure coefficients can be reduced by half. On the other hand, the interference effects had a strong impact on increasing the peak value of the negative external wind pressure coefficient, which can be more than roughly double compared to an isolated building.

Effects of Interference on Local Peak Pressures Between Two Buildings with an Elliptical Cross-Section

Dept. of Building Construction, Faculty of Civil Engineering STU

Dept. of Mathematics and Descriptive Geometry, Faculty of Civil Engineering STU

Slovak Journal of Civil Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The interference effects on the distribution of external wind pressure coefficient between two high-rise buildings with an elliptical cross section were...

Effects of Interference on Local Peak Pressures Between Two Buildings with an Elliptical Cross-Section

Published Online: Apr 13, 2021

Page range: 35 - 41

DOI: https://doi.org/10.2478/sjce-2021-0006

Keywords
Effects of interference, Wind tunnel, External wind pressure coefficient, Elliptical high-rise building

© 2021 Michal Franek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Effects of Interference on Local Peak Pressures Between Two Buildings with an Elliptical Cross-Section

Published Online: Apr 13, 2021

Page range: 35 - 41

DOI: https://doi.org/10.2478/sjce-2021-0006

KeywordsEffects of interference, Wind tunnel, External wind pressure coefficient, Elliptical high-rise building

© 2021 Michal Franek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Effects of interference, Wind tunnel, External wind pressure coefficient, Elliptical high-rise building