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Reliability assessment of a building complex with four long-span roof structures based on wind tunnel experiments

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Abstract

A building complex consisting of four identical long-span roof structures are tested in the wind tunnel to determine dynamic wind loads on structures. Based on the time-history data of spatially distributed wind pressure, wind-induced vibration analyses of the structures under varying incident wind attack angles have been carried out in time-domain. Then a novel framework for assessing dynamic wind resistance reliability has been proposed by integrating wind tunnel experiment, Monte Carlo simulation method, and the non-Gaussian wind pressure field simulation technique. The framework takes into account the uncertainties of design wind speed, wind directionality and structural damping ratio, as well as the randomness of Non-Gaussian wind pressure field. It has been demonstrated that the proposed framework is effective and efficient to comprehensively assess the wind-induced dynamic reliability of the long-span roof structure in the rectangular array. The annual failure probability of the long-span roof structure is obtained by considering the first passage reliability of displacement responses.

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Acknowledgements

The work described in this paper was partially supported by the National Natural Science Foundation of China (Project Nos. 51838012 and 52178512), and Ministry of Science and Technology of China (Project No. 2018YFE0109500).

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Authors and Affiliations

  1. Institute of Structural Engineering, College of Civil and Architecture Engineering, Zhejiang University, Hangzhou, 310058, People’s Republic of China

    Mingfeng Huang & Gui Tang

  2. Department of Civil and Environmental Engineering, Hong Kong Polytechnic University, HKSAR, Hung Hom, Hong Kong

    Yi-Qing Ni

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  1. Mingfeng Huang
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  2. Gui Tang
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  3. Yi-Qing Ni
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Correspondence to Mingfeng Huang.

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Huang, M., Tang, G. & Ni, YQ. Reliability assessment of a building complex with four long-span roof structures based on wind tunnel experiments. J Civil Struct Health Monit 11, 1461–1475 (2021). https://doi.org/10.1007/s13349-021-00519-3

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  • DOI: https://doi.org/10.1007/s13349-021-00519-3

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