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Embedded distributed optical fiber sensors for health monitoring of concrete bridges

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10.1201/9780429279119-128
 
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hdl:2117/346901

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Bado, Mattia Francesco
Casas Rius, Joan RamonMés informacióMés informacióMés informació
Kaklauskas, Gintaris
Document typeConference report
Defense date2021
PublisherCRC Press
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
The idea behind Structural Health Monitoring (SHM) is the identification of early structural malfunctions, which, in the case of concrete bridges, is mainly shown as deformation and cracking and the consequent feedback on the structure’s ability to continue serving its intended purpose. An increasingly popular SHM tool are Distributed Optical Fiber Sensors (DOFS) which boasts clear advantages over the classic ones. Yet, DOFS´s literature reports strain reading issues connected to measurements when the fiber is embedded in RC, in particular when the latter starts cracking. The present paper wants to suggest solutions to such by studying various bonding and protection techniques offered by the literature and integrating them in a laboratory experimental campaign that sees the rebar of four RC tensile members instrumented with DOFS. Different segments of the fiber were bonded with different bonding and protection techniques in an attempt to pin-point which of them leads to the highest quality DOFS strain readings.
CitationBado, M.; Casas, J.; Kaklauskas, G. Embedded distributed optical fiber sensors for health monitoring of concrete bridges. A: International Conference on Bridge Maintenance, Safety and Management. "Bridge Maintenance, Safety, Management, Life-Cycle Sustainability and Innovations: proceedings of the Tenth International Conference on Bridge Maintenance, Safety and Management (IABMAS 2020), June 28-July 2, 2020, Sapporo, Japan". CRC Press, 2021, p. 956-962. ISBN 9780429279119. DOI 10.1201/9780429279119-128. 
URIhttp://hdl.handle.net/2117/346901
DOI10.1201/9780429279119-128
ISBN9780429279119
Publisher versionhttps://www.taylorfrancis.com/chapters/edit/10.1201/9780429279119-128/embedded-distributed-optical-fiber-sensors-health-monitoring-concrete-bridges-bado-casas-kaklauskas
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  • Departament d'Enginyeria Civil i Ambiental - Ponències/Comunicacions de congressos [1.066]
  • EC - Enginyeria de la Construcció - Ponències/Comunicacions de congressos [234]
  • Doctorat en Enginyeria de la Construcció - Ponències/Comunicacions de congressos [64]
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