United States Department of Transportation
i
Field Testing and Long-Term Monitoring of Selected High-Mast Lighting Towers (Phase 2) [Data Management Plan]
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2023-03-31
[PDF-272.35 KB]
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Edition:Data Management Plan
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Abstract:Phase 1 field monitoring of four high-mast lighting towers (HMLTs) was previously reported on in March 2020. Due to the rare nature of the large amplitude vibration events, a second phase of monitoring was conducted to continue collecting data and to maximize the potential for recording the rare data. Similar to Phase 1, monitoring, Phase 2 included four HMLT instrumented with sensors to monitor weather and structural response to wind-induced vibrations. The four HMLTs were in different locales within the state of Wyoming, each site being selected specifically due to a history of failed HMLTs at those locations, or nearby. Several HMLTs have failed in recent years, some catastrophically, within Wyoming, from fatigue crack growth at the base plate-to-tube wall welds. Hence, the motivation for the study.
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