Abstract
By establishing the finite element model, the reliability of the corner transmission tower is analyzed before and after jacking. The calculation conditions are divided into four types: self-weight working condition before jacking of electric tower, wind load working condition before jacking, self-weight working condition after jacking, and wind load working condition after jacking. The results have been compared and analyzed by analyzing and calculating model and internal force of each working condition. The results show that there is not much deviation between the unit stress and the internal force bending moment of the key parts, which meets the normal use requirements. Under the wind load conditions of the transmission tower, the stress of the tower tower increases, but it is not obvious, which shows that the charging jacking technology of the corner transmission tower is safe and reliable.
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