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Wind and Structures Volume 31, Number 3, September 2020 , pages 197-207 DOI: https://doi.org/10.12989/was.2020.31.3.197 |
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Estimation of extreme wind pressure coefficient in a zone by multivariate extreme value theory |
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Qingshan Yang, Danyu Li, Yi Hui and Siu-Seong Law
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| Abstract | ||
| Knowledge on the design value of extreme wind pressure coefficients (EWPC) of a specific zone of buildings is essential for the wind-resistant capacity of claddings. This paper presents a method to estimate the representative EWPC introducing the multivariate extreme value model. The spatial correlations of the extreme wind pressures at different locations can be consider through the multivariate extreme value. The moving average method is also adopted in this method, so that the measured point pressure can be converted to wind pressure of an area. The proposed method is applied to wind tunnel test results of a large flat roof building. Comparison with existing methods shows that it can give a good estimation for all target zones with different sizes. | ||
| Key Words | ||
| large zone; claddings; extreme wind pressure coefficient; multivariate extreme value theory; wind tunnel test | ||
| Address | ||
| Qingshan Yang:School of Civil Engineering, Chongqing University, 400044, Chongqing, P.R. China/Beijing | ||