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Meeting Materials Science & Technology 2019
Symposium Failure Prevention and Unconventional Failures
Presentation Title Failure Analysis of a LORAN C Tower Near Greenland
Author(s) George F. Vander Voort
On-Site Speaker (Planned) George F. Vander Voort
Abstract Scope The US Coast Guard had a LORAN C tower built on an island off the coast of Greenland. It was 1350 feet tall. It collapsed 289 days after erection. One guy wire broke and the tower collapsed, indicating a poor, non-redundant design. The longer guy wires were broken up using insulators in the cables. The porcelain insulators had no strength in tension, so they had to be loaded in compression using a pin through the porcelain. One pin broke as it was misaligned and fatigue caused it to break. The tower design only considered static stresses, ignoring dynamic stresses. Twice a watchman noticed the guy wire oscillating in a sinusoidal manner and recorded the day and time as this seemed to him to be very odd behavior.
Proceedings Inclusion? Definite: At-meeting proceedings


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Electrochemical Measurement of Corrosion Protection Using Vapor Corrosion Inhibitors
Failure Analysis of a LORAN C Tower Near Greenland
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Failure Prevention of High Strength Bolts
Failure Severity Mitigation through the Use of Exception-Handling Devices
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