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During the installation of power transmission lines across a major interstate highway, a temporary anchor stabilizing one of the poles failed, resulting in the loss of the pole and the associated power lines. It also contributed to a single vehicle incident on the adjacent roadway. Post-failure analysis revealed that the fracture was precipitated by a preexisting weld-related crack. Closed form and numerical stress analyses were also conducted, with the results indicating that the anchor was installed properly within the parameters intended by the manufacturer.

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M.E. Stevenson, M.E. Barkey, J.L. McDougall, E.R. Weishaupt, 2019. "Failure Analysis of a Temporary Power Line Anchor", Handbook of Case Histories in Failure Analysis, Larry Berardinis

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