Wolf Rock Lighthouse Long-Term Monitoring
James M.W. Brownjohn (University of Exeter)
A. C. Raby (Plymouth University)
James Bassitt (University of Exeter)
A. Antonini (TU Delft - Coastal Engineering)
Zuo Zhu (University of Exeter)
Peter Dobson (Trinity House)
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Abstract
Wolf Rock Lighthouse is a Victorian era masonry structure located in an extreme environment facing the fiercest Atlantic storms off the southwest coast of England whose dynamic behaviour has been studied since 2016. Initially, a modal test was used to determine modal parameters; then, in 2017, a monitoring system was installed that has operated intermittently providing response data for a number of characteristic loading events. These events have included wave loads due to storms, a small UK earthquake, helicopters landing on the helideck, and the grounding of a ship on the reef. This is believed to be the most extensive experimental campaign on any structure of this type. This paper briefly describes a unique project involving the characterisation and measurement of dynamic behaviour due to different forms of dynamic loading.
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