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Metal-packaged fibre Bragg grating strain sensors for surface-mounting onto spalled concrete wind turbine foundations
2015
24th International Conference on Optical Fibre Sensors
Preserved Fulltext
In this work, we demonstrate preliminary results for a hermetically sealed, metal-packaged fibre Bragg grating strain sensor for monitoring existing concrete wind turbine foundations. As the sensor is bolted to the sub-surface of the concrete, it is suitable for mounting onto uneven, wet and degraded surfaces, which may be found in buried foundations. The sensor was able to provide reliable measurements of concrete beam strain during cyclic three-and four-point bend tests. The strain
doi:10.1117/12.2190188
fatcat:oocuqokml5bwbkhejc5r7ezs2u