Optical fiber sensor for prestressed concrete structures bond behaviors measurements
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AuthorRodríguez Cobo, Luis; Carrascal Vaquero, Isidro Alfonso; Quintela Incera, Antonio; Polanco Madrazo, Juan Antonio; López Higuera, José Miguel
Atribución-SinDerivadas 3.0 España
6th European Workshop on Structural Health Monitoring, Dresden, 2012, poster 8
Deutsche Gesellschaft für Zerstörungsfreie Prüfung e.V
During the slack period of precast concrete structures fabrication, the prestressing force is transferred, by adhesion to concrete being the armor compliant behaviors, up today, a still pending matter. To contribute to a better understanding of the subject, a new quasi-distributed optical fiber sensor system is specifically designed, fabricated and embedded into a prestressed concrete prismatic beam. The experimental results are presented, discussed and finally, conclusions are extracted. The fiber transducer is based on Brag grating technology and a new custom encapsulation.