In this paper, adopting the optimization equivalent method, the finite element model of transmission tower structure with bolted looseness-damage is set up according to the damaging characteristic of this tower structure.

• 摘要本文针对输电塔架结构的损伤特点，采用优化等效的方法，建立了具有螺栓松动损伤的输电塔结构的有限元模型，同时提出了此结构螺栓松动损伤诊断基于应变模态的改进的模糊模式识别方法。