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Wind and Structures Volume 37, Number 2, August 2023 (Special Issue) pages 105-115 DOI: https://doi.org/10.12989/was.2023.37.2.105 |
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A systematic comparison of the wind profile codifications in the Western Pacific Region |
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Jiayao Wang, Tim K.T. Tse, Sunwei Li, Tsz Kin Chan and Jimmy C.H. Fung
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| Abstract | ||
| Structural design includes calculation of the wind speed as one of the major steps in the design process for wind loading. Accurate determination of design wind speed is vital in achieving safety that is consistent with the economy of construction. It is noticeable that many countries and regions such as Hong Kong, Japan and Australia regularly make amendments to improve the accuracy of wind load estimations for their wind codes and standards. This study compares the latest Hong Kong wind code published in 2019, which is generally known as the Code of Practice on Wind Effects in Hong Kong - 2019, with the latest revision of the AIJ Recommendations for Loads on Buildings - 2015 (Japan), and the Australian/New Zealand Standard, AS/NZS 1170.2:2021. The comparisons include the variations between the design wind speed and the vertical profiles of wind speed multipliers. The primary purpose of this study was to show any differences in the basic design wind speed and exposure factor estimations among the three economies located in the Western Pacific Ocean. Subsequently, the reasons for such underlying variations between the three documents, are discussed, together with future development trends. | ||
| Key Words | ||
| basic design wind speed; exposure factor; new revision; wind loading code | ||
| Address | ||
| Jiayao Wang, Tim K.T. Tse and Tsz Kin Chan:Department of Civil and Environmental Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong Sunwei Li:Shenzhen International Graduate School, Tsinghua University, Shenzhen, China Jimmy C.H. Fung:Department of Mathematics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong | ||