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Material test and fault analysis of deformation of cross arm of 500 kV transmission line tower
Pages: 18-22
Year: Issue:  4
Journal: Hunan Electric Power

Keyword:  铁塔横担变形失效原因;
Abstract: 对500 kV拉线门型塔发生严重向上弯曲变形横担的结构材质和主材接点断口进行了综合分析,排除了制造用材不良和材质原始裂纹至断裂引起结构失稳2项疑点,经仿真力学计算和真型实验结果表明,设计不合理是引起事故的主要原因.
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