Fatigue damage evaluation for overhead transmission steel tower member during galloping

Abstract

In this study, we discussed the fatige damage for an overhead transmission steel tower member during galloping. For this purpose, response charactristics of the tower were investigated based on a field observation. As a result, a standard deviation of member axial force due to galloping was three times more than that due to buffeting. In addition, the damage fatigue ratio for tower members was evaluated based on axial forces calculated using finite element analysis.