The steel tube tower of transmission line in the open terrain condition may have aeolian vibration when slenderness ratio is large.In this paper

considered the influence of lift coefficient with the change of Reynolds number on resonance force and fatigue stress amplitude

the structural safety of steel tube tower under breeze vibration is discussed.Taking a 1 000 kV UHV AC transmission line project as an example

the structural fatigue damage caused by breeze vibration is evaluated based on meteorological data.The results show that

according to the existing standards

the stress caused by the breeze vibration is far less than the strength design value

and the stress level can hardly cause the fatigue damage on the rod during the 50-year design life.However

in the slenderness ratio of 120～150

there is a greater possibility of the breeze vibration on the rod

and the long-term vibration may cause the bolt loosening and other adverse effects

which needs attention.