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Wind and Structures Volume 30, Number 2, February 2020 , pages 199-210 DOI: https://doi.org/10.12989/was.2020.30.2.199 |
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Natural wind impact analysis of transiting test method to measure wind pressure coefficients |
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Lulu Liu, Shengli Li, Pan Guo and Xidong Wang
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| Abstract | ||
| Building wind pressure coefficient transiting test is a new method to test the building wind pressure coefficient by using the wind generated by a moving vehicle, which is susceptible to natural wind and other factors. In this paper, the Commonwealth Advisory Aeronautical Research Council standard model with a scale ratio of 1:300 is used as the test object, and the wind pressure coefficient transiting test is repeated under different natural wind conditions to study the influence of natural wind. Natural wind is measured by an ultrasonic anemometer at a fixed location. All building wind pressure coefficient transiting tests meet the test conditions, and the vehicle\'s driving speed is 72 km/h. The mean wind pressure coefficient, the fluctuating wind pressure coefficient, and the correlation coefficient of wind pressure are used to describe the influence of natural wind on the building wind pressure coefficient transiting test qualitatively and quantitatively. Some rules, which can also help subsequent transiting tests, are also summarized. | ||
| Key Words | ||
| transiting test method; moving vehicle; natural wind; CAARC; wind pressure coefficient; ultrasonic anemometer; Reynolds number effect | ||
| Address | ||
| Lulu Liu:School of Civil Engineering, Zhengzhou University, Zhengzhou, China/ Zhengzhou Key Laboratory of Disaster Prevention and Control for Cable Structure, China Shengli Li: School of Civil Engineering, Zhengzhou University, Zhengzhou, China/ Zhengzhou Key Laboratory of Disaster Prevention and Control for Cable Structure, China Pan Guo:School of Civil Engineering, Zhengzhou University, Zhengzhou, China/ Zhengzhou Key Laboratory of Disaster Prevention and Control for Cable Structure, China Xidong Wang:School of Civil Engineering, Zhengzhou University, Zhengzhou, China/ Zhengzhou Key Laboratory of Disaster Prevention and Control for Cable Structure, China | ||