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Title: Creep behaviour of cracked high performance fibre reinforced concrete beams under flexural load
Authors: Galeote, Eduardo
Blanco, Ana
De la Fuente, Albert
Cavalaro, Sergio H.
Keywords: HPFRC
Creep
Steel fibres
Glass fibres
Flexural load
Issue Date: 2017
Publisher: Springer (© Rilem)
Citation: GALEOTE, E. ...et al., 2017. Creep behaviour of cracked high performance fibre reinforced concrete beams under flexural load. IN: Serna, P., Llano-Torre, A. and Cavalaro, S.H.P., (eds.) Creep Behaviour in Cracked Sections of Fibre Reinforced Concrete: Proceedings of the International RILEM Workshop FRC-CREEP 2016. New York: Springer, pp. 111-123.
Series/Report no.: RILEM Bookseries;14
Abstract: © RILEM 2017. The investigation on flexural creep of high performance fibre reinforced concrete (HPFRC) is still scarce. Even though the presence of fibres in concrete helps to control the deformations, these may increase under the effect of a sustained load. To analyse the effect of creep in pre-cracked HPFRC elements, twelve beams reinforced with either glass or steel fibres with dimensions 40×80×1200 mm were tested under a three-point configuration. For that, a new type of frame was designed and constructed to test the HPFRC beams under flexural load in a climate-controlled room with constant temperature and relative humidity. The loading mechanism was based on a lever system, applying sustained load ranging between 25 and 50% of the load at which the first crack appeared. The deflection at the mid-span was registered by means of LVDT transducers. Additionally, the influence of the curing procedure (with or without aluminium tape wrap) was assessed. In general, glass fibre reinforced beams presented higher deflections than steel fibres, even though at low load levels the type of fibre did not have significant influence on the deformation.
Description: This is a pre-copyedited version of a contribution published in Creep Behaviour in Cracked Sections of Fibre Reinforced Concrete: Proceedings of the International RILEM Workshop FRC-CREEP 2016 and Pedro Serna, Aitor Llano-Torre and Sergio H.P. Cavalaro (Editors )published by Springer. The definitive authenticated version is available online via https://doi.org/10.1007/978-94-024-1001-3_10
Sponsor: The first author also acknowledges the grant FPU provided by the Spanish Ministry of Education, Culture and Sports.
Version: Accepted for publication
DOI: 10.1007/978-94-024-1001-3_10
URI: https://dspace.lboro.ac.uk/2134/32344
Publisher Link: https://doi.org/10.1007/978-94-024-1001-3_10
ISBN: 9789402410006
ISSN: 2211-0844
Appears in Collections:Conference Papers and Presentations (Architecture, Building and Civil Engineering)

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