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New fiber optic sensor for monitoring temperatures in concrete structures during fires

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New fiber optic sensor for monitoring temperatures in concrete structures during fires

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dc.contributor.author Torres Górriz, Benjamín es_ES
dc.contributor.author Paya-Zaforteza, Ignacio es_ES
dc.contributor.author Calderón García, Pedro Antonio es_ES
dc.contributor.author Sales Maicas, Salvador es_ES
dc.date.accessioned 2017-06-30T11:55:30Z
dc.date.available 2017-06-30T11:55:30Z
dc.date.issued 2017-02
dc.identifier.issn 0924-4247
dc.identifier.uri http://hdl.handle.net/10251/84253
dc.description.abstract Monitoring temperatures in structures during fires provides valuable information to 1) the firemen engaged in extinguishing it, 2) those who assess its security, and 3) the organizations who have to decide on its possible repair, renovation or demolition. Developing sensors able to measure extremely high temperatures in actual blaze conditions is therefore a fundamental requirement. This paper proposes a new fiber optic sensor based on Regenerated Fiber Bragg Gratings specially designed to be embedded in concrete structures to monitor temperatures during fire events. A practical test was carried out on a 5.8m long beam subjected to the ISO-834 fire curve for 77 minutes under the typical loads borne by beams in conventional structures. Nine optical sensors were installed at the mid-span section of the beam and were submitted directly to flames and high temperature gradients (of the order of 200ºC/min) that make them measure maximum temperatures of 953º C. The temperatures recorded by the new sensors were compared with those obtained from electrical sensors (thermocouples) and a numerical model, with which they showed a good fit, except in those places in which concrete spalling caused distortions in the results and/or failure of the sensors. The paper thus demonstrates the viability of optical technologies in monitoring reinforced concrete during fires and analyzes sensor behavior to point out areas in which additional research is required. es_ES
dc.description.sponsorship This work was made possible by the support from the Universitat Politecnica de Valencia, the Spanish Ministry for Science and Innovation (Research Project BIA2011-27104 and TEC2011-29120-C05-05) and the Spanish Ministry of Public Works (Project Sopromac P41/08). en_EN
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Sensors and Actuators A: Physical es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Fire es_ES
dc.subject High temperature measurement es_ES
dc.subject Fiber optic sensor es_ES
dc.subject Regenerated fiber Bragg grating es_ES
dc.subject Concrete structures es_ES
dc.subject.classification INGENIERIA CARTOGRAFICA, GEODESIA Y FOTOGRAMETRIA es_ES
dc.subject.classification PROYECTOS DE INGENIERIA es_ES
dc.subject.classification MECANICA DE LOS MEDIOS CONTINUOS Y TEORIA DE ESTRUCTURAS es_ES
dc.subject.classification INGENIERIA DE LA CONSTRUCCION es_ES
dc.subject.classification TEORIA DE LA SEÑAL Y COMUNICACIONES es_ES
dc.title New fiber optic sensor for monitoring temperatures in concrete structures during fires es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.sna.2016.12.013
dc.relation.projectID info:eu-repo/grantAgreement/MFOM//TRANSeINFRA2008-0041/ES/Desarrollo Sensores Avanzados Fibra Óptica para Determinación de Propiedades de Materiales y Salud Estructural.-SOPROMAC/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MINECO//BIA2011-27104/ES/DEFINICION DE CONDICIONES DE MONITORIZACION, ENCAPSULADO Y FIJACION DE SENSORES OPTICOS PARA MEDIR TEMPERATURAS Y DEFORMACIONES EN ESTRUCTURAS SOMETIDAS A ALTAS TEMPERATURAS/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/MICINN//TEC2011-29120-C05-05/ES/APLICACIONES DE LA TECNOLOGIA NANOFOTONICA AL CAMPO DE LAS TELECOMUNICACIONES Y LOS SENSORES/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingenieros de Caminos, Canales y Puertos - Escola Tècnica Superior d'Enginyers de Camins, Canals i Ports es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingeniería del Diseño - Escola Tècnica Superior d'Enginyeria del Disseny es_ES
dc.contributor.affiliation Universitat Politècnica de València. Escuela Técnica Superior de Ingenieros de Telecomunicación - Escola Tècnica Superior d'Enginyers de Telecomunicació es_ES
dc.description.bibliographicCitation Torres Górriz, B.; Paya-Zaforteza, I.; Calderón García, PA.; Sales Maicas, S. (2017). New fiber optic sensor for monitoring temperatures in concrete structures during fires. Sensors and Actuators A: Physical. 254:116-125. https://doi.org/10.1016/j.sna.2016.12.013 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1016/j.sna.2016.12.013 es_ES
dc.description.upvformatpinicio 116 es_ES
dc.description.upvformatpfin 125 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 254 es_ES
dc.relation.senia 324603 es_ES
dc.contributor.funder Ministerio de Fomento es_ES
dc.contributor.funder Ministerio de Economía y Competitividad es_ES


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