Field Demonstration of Real-Time Wind Turbine Foundation Strain Monitoring
AbstractOnshore wind turbine foundations are generally over-engineered as their internal stress states are challenging to directly monitor during operation. While there are industry drivers to shift towards more economical foundation designs, making this transition safely will require new monitoring techniques, so that the uncertainties around structural health can be reduced. This paper presents the initial results of a real-time strain monitoring campaign for an operating wind turbine foundation. Selected reinforcement bars were instrumented with metal packaged optical fibre strain sensors prior to concrete casting. In this paper, we outline the sensors’ design, characterisation and installation, and present 67 days of operational data. During this time, measured foundation strains did not exceed 95
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Rubert, T.; Perry, M.; Fusiek, G.; McAlorum, J.; Niewczas, P.; Brotherston, A.; McCallum, D. Field Demonstration of Real-Time Wind Turbine Foundation Strain Monitoring. Sensors 2018, 18, 97.
Rubert T, Perry M, Fusiek G, McAlorum J, Niewczas P, Brotherston A, McCallum D. Field Demonstration of Real-Time Wind Turbine Foundation Strain Monitoring. Sensors. 2018; 18(1):97.Chicago/Turabian Style
Rubert, Tim; Perry, Marcus; Fusiek, Grzegorz; McAlorum, Jack; Niewczas, Pawel; Brotherston, Amanda; McCallum, David. 2018. "Field Demonstration of Real-Time Wind Turbine Foundation Strain Monitoring." Sensors 18, no. 1: 97.
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