Structural Engineering and Mechanics

  • 제48권4호
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  • Pages.435-453
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  • 2013
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Wind-rain-induced vibration test and analytical method of high-voltage transmission tower

  • Li, Hong-Nan (Faculty of Infrastructure Engineering, Dalian University of Technology) ;
  • Tang, Shun-Yong (Faculty of Infrastructure Engineering, Dalian University of Technology) ;
  • Yi, Ting-Hua (Faculty of Infrastructure Engineering, Dalian University of Technology)
  • 투고 : 2012.04.23
  • 심사 : 2013.10.20
  • 발행 : 2013.11.25
⟨ 이전 논문 다음 논문 ⟩

초록

A new computational approach for the rain load on the transmission tower is presented to obtain the responses of system subjected to the wind and rain combined excitations. First of all, according to the similarity theory, the aeroelastic modeling of high-voltage transmission tower is introduced and two kinds of typical aeroelastic models of transmission towers are manufactured for the wind tunnel tests, which are the antelope horn tower and pole tower. And then, a formula for the pressure time history of rain loads on the tower structure is put forward. The dynamic response analyses and experiments for the two kinds of models are carried out under the wind-induced and wind-rain-induced actions with the uniform and turbulent flow. It has been shown that the results of wind-rain-induced responses are bigger than those of only wind-induced responses and the rain load influence on the transmission tower can't be neglected during the strong rainstorm. The results calculated by the proposed method have a good agreement with those by the wind tunnel test. In addition, the wind-rain-induced responses along and across the wind direction are in the same order of response magnitude of towers.

키워드

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피인용 문헌

  1. A Comparative Study on Frequency Sensitivity of a Transmission Tower vol.2015, 2015, https://doi.org/10.1155/2015/610416
  2. Fragility analysis and estimation of collapse status for transmission tower subjected to wind and rain loads vol.58, 2016, https://doi.org/10.1016/j.strusafe.2015.08.002
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  7. Performance Evaluation on Transmission Tower-Line System with Passive Friction Dampers Subjected to Wind Excitations vol.2015, 2015, https://doi.org/10.1155/2015/310458
  8. Characteristics of Rainfall in Wind Field of a Downburst and Its Effects on Motion of High-Voltage Transmission Line vol.2017, 2017, https://doi.org/10.1155/2017/7350369
  9. A theoretical model of rain–wind–induced in-plane galloping on overhead transmission tower-lines system vol.7, pp.9, 2015, https://doi.org/10.1177/1687814015604590
  10. Calculation of rain load based on single raindrop impinging experiment and applications vol.147, 2015, https://doi.org/10.1016/j.jweia.2015.09.017
  11. Effect of Raindrop Size Distribution on Rain Load and Its Mechanism in Analysis of Transmission Towers vol.18, pp.09, 2018, https://doi.org/10.1142/S0219455418501158
  12. Velocity Ratio of Wind-Driven Rain and Its Application on a Transmission Tower Subjected to Wind and Rain Loads vol.32, pp.5, 2018, https://doi.org/10.1061/(ASCE)CF.1943-5509.0001210
  13. Theoretical and Experimental Studies of the Rain Load for Transmission Tower Based on Single-Raindrop Impinging Force vol.19, pp.11, 2019, https://doi.org/10.1142/s0219455419501335
  14. Effects of Time-Varying Mass on Stability of High-Voltage Conductor in Rain-Wind Condition vol.15, pp.5, 2013, https://doi.org/10.1115/1.4046497
  15. A simplified method for estimating fundamental periods of pylons in overhead electricity transmission systems vol.19, pp.2, 2013, https://doi.org/10.12989/eas.2020.19.2.119
  16. Modal parameters of a transmission tower considering the coupling effects between the tower and lines vol.220, pp.None, 2020, https://doi.org/10.1016/j.engstruct.2020.110947
  17. Optimization of VEDs for Vibration Control of Transmission Line Tower vol.2021, pp.None, 2013, https://doi.org/10.1155/2021/9060414
  18. Vortex induced vibration and its controlling of long span Cross-Rope Suspension transmission line with tension insulator vol.78, pp.1, 2013, https://doi.org/10.12989/sem.2021.78.1.087
  19. Failure analysis of a transmission line considering the joint probability distribution of wind speed and rain intensity vol.233, pp.None, 2013, https://doi.org/10.1016/j.engstruct.2021.111913