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Aeroelastic Experimental Investigation of Hyperbolic Paraboloid Membrane Structures in Normal and Typhoon Winds

Author

Listed:
  • Dong Li

    (College of Civil Engineering, Fuzhou University, Fuzhou 350116, China
    School of Advanced Manufacturing, Fuzhou University, Jinjiang 362200, China)

  • Zhou Zhang

    (School of Advanced Manufacturing, Fuzhou University, Jinjiang 362200, China)

  • Chao Zhang

    (College of Civil Engineering, Fuzhou University, Fuzhou 350116, China)

  • Zhengyu Zhang

    (College of Civil Engineering, Fuzhou University, Fuzhou 350116, China)

  • Xiaoqiang Yang

    (College of Civil Engineering, Fuzhou University, Fuzhou 350116, China)

Abstract

The lightweight and flexible membrane structure of roofs are susceptible to wind loads with the risk of damage and failure. Compared with uniform and low-level turbulence flow cases (i.e., normal winds) that have been well investigated, the wind-induced vibration problem of membrane structures in high-level turbulence flows such as typhoons has been paid little attention. To address the gap, this paper aimed at investigating the aerodynamic behavior of hyperbolic paraboloid membrane structures in normal and typhoon winds by a series of wind tunnel tests. Some distinct wind characteristics of upcoming normal and typhoon flows in terms of vertical profiles of wind velocity, turbulence intensity, and power spectrum density of fluctuating winds were well simulated in an automatically controlled wind tunnel. The aeroelastic behavior of a scaled model was analyzed and discussed in terms of displacement time-history responses, probability distribution characteristics, and dynamic characteristics including the natural frequency, mode shape, and damping ratio. Results show that the increasing suction in a typhoon leads to significant growth in maximum deformations and more risks to suffer from aeroelastic instability. Non-Gaussian characteristics appear more remarkable with skewness and kurtosis increasing almost two-fold in typhoons. Structural modal parameters are influenced by both turbulence intensity and wind velocity. This study provides basic insights into the deficiency of dynamic response of membrane structures in typhoons, and promotes the applications of membrane structures in green buildings.

Suggested Citation

  • Dong Li & Zhou Zhang & Chao Zhang & Zhengyu Zhang & Xiaoqiang Yang, 2022. "Aeroelastic Experimental Investigation of Hyperbolic Paraboloid Membrane Structures in Normal and Typhoon Winds," Sustainability, MDPI, vol. 14(19), pages 1-17, September.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:19:p:12207-:d:925843
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    References listed on IDEAS

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    1. Qingshan Yang & Rong Gao & Fan Bai & Tian Li & Yukio Tamura, 2018. "Damage to buildings and structures due to recent devastating wind hazards in East Asia," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 92(3), pages 1321-1353, July.
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