A 60 years old, 100 m. high steel tower: limit states under wind action

Research on transient response of tower-line system under wind field based on finite element simulation

“…Starting from the effect of the tower line system, Yue Peigen studied the response of the tower-line system under wind load, found that the wind direction angle affects the tower-line system, and compared and analyzed the response characteristics under the four wind direction angles [1] ; the pulsating wind speed field simulation is based on the Kaimal wind speed spectrum and the harmonic superposition method. A tower-line system model was established, and the dynamic characteristics of the transmission tower and tower line under various working conditions were compared and analyzed, and a method suitable for wind vibration response was further proposed [3] ; Yasui et al According to the wind vibration response of the formula), the response of the transmission line is analyzed by the time domain method and it is obtained that the responses of different supports are different [4] ; Liu Hairui et al The displacement and acceleration root mean square of the dynamic response of the span transmission tower gradually increase [5] ; Ballio et al studied the wind vibration response of the towering tower, and obtained that the response of the towering tower in the direction perpendicular to the wind direction is greater than that in the same direction as the wind direction [6] .…”

Experimental and numerical study on the responses of a transmission tower to skew incident winds

“…Because of the large scale, e.g., several kilometers, in span direction of TLS, the situation that fluctuating wind incomes normal to the conductors is the primary concern in previous researches and engineering practice. However, some wind tunnel tests (Lou et al, 1999;Guo et al, 2007;Li et al, 2008Li et al, , 2011Xie et al, 2011;Deng et al, 2013;Liang et al, 2015) and on-site measurements (Ballio et al, 1992;Glanville and Kwok, 1995;Moschas and Stiros, 2014) revealed that the across wind responses, compared to the along wind ones, would be of the same order of magnitude. Accordingly, investigators argued that it is necessary to take account of the combination of responses in both directions.…”