论文部分内容阅读
通过 ANSYS对某 3 5 m高输电铁塔结构的振型及自振周期的分析 ,研究了自重对铁塔这类高柔结构振动特性的影响 ,并在此基础上分析了因振动特性的变化对铁塔地震响应和风振响应的影响。结果表明自重使铁塔的基本周期有显著的增大 ,更接近地震的卓越周期 ,铁塔的地震动响应比起风振动响应有显著的增大。
By ANSYS analysis of the vibration mode and natural period of a 35m high transmission tower structure, the influence of deadweight on the vibration characteristics of high flexible structure such as tower is studied. Based on the analysis of the vibration characteristics of the tower, Earthquake Response and Wind Vibration Response. The results show that self-weight makes the basic period of the tower significantly increase, and closer to the excellent period of the earthquake. The response of the tower to earthquakes is significantly larger than that of the wind-induced vibration.