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（重慶大學(xué)土木工程學(xué)院， 重慶 400044）
［摘要］F型輸電塔在電網(wǎng)走廊較為緊張的地區(qū)有較為廣泛的應(yīng)用前景，目前關(guān)于F型輸電塔風(fēng)振響應(yīng)方面的分析還較少。以某F型輸電塔作為研究對象，采用有限元軟件ANSYS研究了單塔與其塔-線體系的動力特性，并進行了風(fēng)振動力響應(yīng)分析。分析結(jié)果表明，考慮導(dǎo)線的影響會提高輸電塔的剛度，同時對整體結(jié)構(gòu)的扭轉(zhuǎn)具有抑制作用；下橫擔扭轉(zhuǎn)角相對塔頂角與上橫擔扭轉(zhuǎn)角更大，在設(shè)計時需要更多地考慮下橫擔處的扭轉(zhuǎn)，并做相應(yīng)的結(jié)構(gòu)加強處理。
［關(guān)鍵詞］F型輸電塔； 塔\|線體系； 模態(tài)分析； 風(fēng)振響應(yīng)分析
中圖分類號：TU973文獻標識碼：A文章編號：1002-848X(2018)13-0067-06
Analysis on wind-induced vibration response of F-shaped ultra-high voltage (UHV) transmission tower
Li Wen, Li Zhengliang, Yu Cong, Yan Mengling
(School of Civil Engineering, Chongqing University, Chongqing 400044, China)
Abstract:F-shaped transmission tower has a wide range of application prospects in areas where the grid corridors are relatively tight. At present, there are few analyses on the wind-induced vibration response of the F-shaped transmission tower. Taking a F-shaped transmission tower as the research object, the dynamic characteristics of the single tower and its tower-line system were studied using the finite element software ANSYS, and the wind-induced vibration dynamic response analysis was performed. The analysis results show that taking the influence of the line into account will increase the stiffness of the transmission tower and at the same time suppress the torsion of the overall structure; the torsion angle of lower transverse arm is greater than top cornor angle of the tower and the torsion angle of upper transverse arm, so the torsion at lower transverse arm needs more consideration in design and corresponding structural strengthening.
Keywords:F-shaped transmission tower; tower-line system; modal analysis; wind-induced vibration response analysis
作者簡介：李雯，碩士研究生，Email：790249196@qq.com。
