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New Test Method of Wind Pressure Coefficient Based on CAARC Standard Model Determined Using Vehicle Driving Wind

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Abstract

The driving characteristics of a vehicle, combined with a wind tunnel test and field measurement, can produce wind. This study proposes a transiting test method of building wind pressure under ideal road conditions via theoretical derivation and field testing. In this work, the basic theory of the transiting test was formulated, and the transiting test of a physical test platform was designed and assembled, and a software test system was established. The test data processing method was investigated and adopted for testing the mean wind pressure coefficient of the CAARC standard model’s typical measuring points. The influence of different speeds on the mean wind pressure coefficient was studied, and the difference of the mean wind pressure coefficient of repeated tests with the same speed was analyzed. Results showed the accuracy of the theoretical formula of the proposed transiting test, and the hardware and software systems were acceptable. The mean wind pressure coefficient of the typical measuring points of the standard model agreed well with the wind tunnel test results from relevant literature. Moreover, different speeds minimally affected the mean wind pressure coefficient. Thus, the technique is feasible under ideal road conditions. The transiting test method proposed in this study provides a new test technique for structural wind resistance research.

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Acknowledgements

The authors are grateful for the financial support from the National Natural Science Foundation of China (51778587, 51808510), Natural Science Foundation of Henan Province of China (162300410255), Supported by Foundation for University Young Key Teacher by Henan Province (2017GGJS005), Outstanding Young Talent Research Fund of Zhengzhou University (1421322059) and Science and technology planning project of Transportation in Henan Province (2016Y2-2, 2018 J3).

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Authors and Affiliations

  1. Zhengzhou University, Zhengzhou, 450001, China

    S.L. Li, L.L. Liu, H. Wu, N. Jiang, S.Y. Zheng & P. Guo

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  1. S.L. Li
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  2. L.L. Liu
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  3. H. Wu
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  4. N. Jiang
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  5. S.Y. Zheng
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  6. P. Guo
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Correspondence to H. Wu or N. Jiang.

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Li, S., Liu, L., Wu, H. et al. New Test Method of Wind Pressure Coefficient Based on CAARC Standard Model Determined Using Vehicle Driving Wind. Exp Tech 43, 707–717 (2019). https://doi.org/10.1007/s40799-019-00330-2

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  • DOI: https://doi.org/10.1007/s40799-019-00330-2

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