摘要
以目前输电线路中常用的猫头塔为研究对象,采用有限元软件SAP2000为分析工具,对不同塔高、不同塔头宽度、不同根开的猫头塔进行模态分析,根据分析结果得到输电塔线体系中铁塔沿纵向与横向的第1阶自振周期计算公式。
The mode analysis was performed of the common cathead transmission towers,with different tower heights,different breadths of tower heads and different lengths between tower legs with software SAP2000.The formulae of natural frequencies of the cathead transmission towers along the transmission line and cross the transmission line were presented through the mode analysis.
出处
《建筑结构》
CSCD
北大核心
2012年第3期78-79,71,共3页
Building Structure
关键词
猫头塔
自振周期
动力特性
振型
cathead transmission tower
natural frequency
dynamic behavior
mode shape
