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Development of a Multipoint Multi-parametric Sensor for Structural Health Monitoring

Development of a Multipoint Multi-parametric Sensor for Structural Health Monitoring,10.1109/SENSORCOMM.2007.4394896,David Barrera,Celia Silvestre,Man

Development of a Multipoint Multi-parametric Sensor for Structural Health Monitoring  
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David Barrera, Celia Silvestre, Manuel Cruz, Raimundo García-Olcina, Alicia Guillamón, Maria Luz Lozano, Vicente Micó, Jose Juan Esteve, José Manuel Lloris, J. Lopez-Tendero, J. A. Carrion, T. Molinahttp://academic.research.microsoft.com/io.ashx?type=5&id=50605814&selfId1=0&selfId2=0&maxNumber=12&query=
In the last years, a lot of optic fiber sensors have been developed for structural health monitoring systems. There are several physical, chemical and environmental factors that contribute to concrete structures deterioration. There is a need to monitor all these factors to explain the produced damages after extended periods. In this paper we present the results from the development of a multi-point and multi- parametric sensor for measure the four main factors that can indicate a possible deterioration problem: strain, temperature, humidity and pH. The sensor proposed here is based on Fiber Bragg Gratings and humidity and pH sensitive hydrogels.
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