Assessing cracking characteristics of concrete structures by distributed optical fiber and non-linear finite element modelling

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Título:	Assessing cracking characteristics of concrete structures by distributed optical fiber and non-linear finite element modelling
Autor/a:	Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi
Otros autores:	Universitat Politècnica de Catalunya. Departament d'Enginyeria de la Construcció; Universitat Politècnica de Catalunya. TE - Tecnologia d'Estructures
Abstract:	This work shows how the experimental strain data obtained with an OBR (Optical Backscattered Reflectometer) measuring system can be used to locate cracking before being visually observable and also to estimate the crack width for different levels of load. The method is checked in a test up to failure carried out on a reinforced concrete slab, where the deployement of other standard sensors allowed to validate the results from the OBR system. The results are also compared with those coming from a 2D non-linear finite element model, showing also a good agreement.
Materia(s):	-Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures de formigó -Concrete--Cracking -Distributed Optical Fiber Sensor -Non-linear FEM -Cracking detection -Formigó -- Fractures
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Tipo de documento:	Artículo - Versión publicada Objeto de conferencia
Editor:	Institut Français des Sciences et Technologies des Transports (IFSTTAR)
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Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi

Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi

Casas Rius, Joan Ramon; Rodríguez, Gerardo; Villalba Herrero, Sergi

Casas Rius, Joan Ramon; Barrias, Antonio Jose de Sousa; Rodríguez, Gerardo; Villalba Herrero, Sergi

Rodríguez, Gerardo; Casas Rius, Joan Ramon; Villalba Herrero, Sergi

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