Articles | Volume 2, issue 2
Brief communication
12 Sep 2017
Brief communication |  | 12 Sep 2017

Brief communication: Structural monitoring for lifetime extension of offshore wind monopiles: can strain measurements at one level tell us everything?

Lisa Ziegler, Ursula Smolka, Nicolai Cosack, and Michael Muskulus


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Short summary
The first larger offshore wind farms are reaching a mature age. Operators have to take actions for monitoring now in order to have accurate knowledge on structural reserves later. This knowledge is important to make decisions on lifetime extension. Many offshore wind turbines have one set of strain gauges already installed at the transition piece. We present a simple and robust method to extrapolate these measurements to other locations of the monopile without need of additional instrumentation.