ORIGINAL RESEARCH article
Front. Built Environ.
Sec. Computational Methods in Structural Engineering
Volume 11 - 2025 | doi: 10.3389/fbuil.2025.1661712
Wind Tunnel Testing to Study Turbulent Wind Field Effect on Wind Load and Wind-Induced Response of TV Tower
Provisionally accepted
- 1Southwest Jiaotong University, Chengdu, China
- 2Civil Aviation Flight University of China, Guanghan, China
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Due to their steel construction, TV towers typically exhibit complex aerodynamic profiles and low damping, rendering the wind-induced response and wind load critical design considerations. Owing to their widespread distribution across diverse terrains, TV towers are exposed to varied wind conditions. To investigate the influence of wind field parameters on the wind load and wind-induced response, this study adopts a 240-meter-high TV tower as the engineering background. Different turbulent wind fields were simulated in the wind tunnel, and a high-frequency dynamic balance was employed to conduct force measurement tests. To enhance test accuracy, the model was segmented into seven sections. The equivalent static wind load (ESWL) method, considering the first three modes, was used for calculations, and the complete quadratic combination (CQC) method was applied for verification. The results indicate that, within the tested range, the mean wind force decreases with increasing turbulence intensity, whereas the root mean square (RMS) of the wind force exhibits a corresponding increase. Conversely, the RMS of the wind-induced response of the TV tower decreases as the turbulence intensity increases.
Keywords: TV tower, Wind tunnel test, Wind-induced response, Turbulence intensity, High-frequency force balance
Received: 08 Jul 2025; Accepted: 12 Sep 2025.
Copyright: © 2025 Xia and Pei. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Cheng Pei, Civil Aviation Flight University of China, Guanghan, China
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