| Vol. - No.
|
Vol.8 - No.4
|
| Date
|
Dec., 2019 |
| Title
|
Wind-induced Aerodynamic Instability of Super-tall Buildings with Various Cross-sectional Shapes |
| Author
|
Wonsul Kim1+, Akihito Yoshida2, and Yukio Tamura2,3 |
| Institutions
|
1Research Institute for Infrastructure Performance, Korea Infrastructure Safety Corporation, Jinju, Korea2Wind Engineering Research Center, Tokyo Polytechnic University, Atsugi, Japan3School of Civil Engineering, Chongqing University, Chongqing, China |
| Abstract
|
The effectiveness of aerodynamic modification to reduce wind loadings has been widely reported. However, most of previous studies have been investigated dynamic forces and pressure distributions on tall buildings with various unconventional configurations. This study was investigated dynamic characteristics and aerodynamic instability of super-tall buildings with unconventional configurations through extensive aeroelastic model experiments. Seventeen types of super-tall building models were considered such as basic and corner modification with corner cut, chamfered, oblique opening, tapered, inversely tapered, bulged, helical with twist angles of 90 |
| Keyword
|
Aerodynamic instability, Super-tall building, Wind-induced vibration, Aero-elastic model experiment, Aerodynamic damping |
| PP.
|
PP.303~311 |
| Paper File
|
 View |