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dc.contributor.authorFuente Antequera, Albert de la
dc.contributor.authorPujadas Álvarez, Pablo
dc.contributor.authorBlanco Álvarez, Ana
dc.contributor.authorAguado de Cea, Antonio
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria de la Construcció
dc.identifier.citationde la Fuente, A. [et al.]. Experiences in Barcelona with the use of fibres in segmental linings. "Tunnelling and underground space technology", Gener 2012, vol. 27, núm. 1, p. 60-71.
dc.description.abstractThis paper presents the most outstanding experiences regarding the use of fibres as the main reinforcement in precast segmental linings in the metropolitan area of Barcelona. It is known that the addition of structural fibres improves, on the one hand, the mechanical behaviour of the structure during its construction, especially in cases such as the thrust of the jacks, and on the other hand it leads to a reduction of the global costs by reducing the conventional passive reinforcement. The aim of this paper consists in presenting three real experiences that are representative of the application of FRC in urban tunnels and a design methodology to take into account the structural contribution of the fibres. Two particular cases of the application of this design method are presented. In the first case, the use of 25 kg/m3 of fibres has led to a reduction of 70% of the conventional reinforcement initially proposed in the project. In the second one, which was planned to employ fibres but without considering its structural contribution, the parametric study reflected the possibility of reducing up to a 38% of the rebars adding 25 kg/m3 of steel fibres in the concrete mixture. In light of good results, construction companies in Spain have become aware of the advantages of using fibres in these structures and have carried out experimental stretches. This attitude has also been influenced by the approval of the new Spanish Code, which includes the FRC as a construction material with design purposes.
dc.format.extent12 p.
dc.subjectÀrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures de formigó
dc.subject.lcshSteel fibers
dc.subject.lcshPrecast concrete
dc.subject.otherBrittle failure
dc.subject.otherOptimal design
dc.subject.otherPrecast segments
dc.titleExperiences in Barcelona with the use of fibres in segmental linings
dc.subject.lemacFormigó pretesat
dc.subject.lemacFormigó armat amb fibres d'acer
dc.contributor.groupUniversitat Politècnica de Catalunya. TE - Tecnologia d'Estructures
dc.rights.accessRestricted access - publisher's policy
dc.description.versionPostprint (author’s final draft)
upcommons.citation.authorde la Fuente, A.; Pujadas, P.; Blanco, A.; Aguado, A.
upcommons.citation.publicationNameTunnelling and underground space technology

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