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Keywords: Transmission tower, Uneven Settlement, Finite element analysis, Reinforcing scheme. Abstract. One leaning tower of 220 kV transmission line was taken as an example and a finite element model for the coupled tower-line system was established for investigating the effects of the uneven settlement on the transmission tower and line. The result shows that the bars of tower are compression-bending/tension-bending members which are under the combination action of bending moment and axial force. Von Mises equivalent stress value of Leg B is larger and the maximum stress value is 633MPa which is situated the root of tower leg, and it is larger than the yield strength of Q420 steel. Based on analyzing result, the reinforcing scheme was established.

Analysis of Uneven Settlement and Restoration Measures for One 220kV Transmission Tower