Abstract

In the traditional lattice tower design process, the effects of bolted joint slippage are not taken into account, which cause great discrepancy between numerical analysis and full tower tests. In this paper, several joint slippage models are presented with considering the joint connection types and number of bolts. The finite element models of UHV transmission tower are built with introduce the joint slippage effects, and then the inner force and deformation of transmission tower under strong wind load case was studied and the influence of joint slippage are discussed by using the nonlinear static analysis method.

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