Fib report on design of concrete members strengthened with externally applied reinforcement

Stijn Matthys, Thanasis Triantafillou

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The last decades, the introduction of fibre reinforced polymer (FRP) reinforcement has been proven instrumental for the strengthening and seismic retrofitting of a large number of ageing concrete structures. FRP reinforcement in the form of strips, sheets, fabrics and bars are used as externally applied reinforcement, by means of dedicated application techniques such as surface bonded reinforcement (often designated as externally bonded reinforcement), near surface mounted reinforcement (applied in grooves in the concrete substrate), textile reinforced mortar (jacketing with reinforced mortar layer), etc. Work by the International Federation of Structural Concrete (fib) resulted in a design guidance document (fib Bulletin 14) issued in 2001 for externally bonded reinforcement, and continued by the introduction of FRP reinforcement in Eurocode 8 (CEN 2005) and in the fib Model Code 2010 (fib 2013). Currently, also a CEN work group is active to introduce FRP reinforcement and strengthening of concrete structures with FRP in the next version of Eurocode 2 (CEN 2004). More recently, fib Task Group 5.1 issued an updated version of the fib design guideline (fib 2017), in succession of Bulletin 14 (fib 2001). In this new bulletin the scope is broadened to the before mentioned types of externally applied reinforcement. It covers the various FRP material and strengthening systems which have become apparent, the basic design approaches, the bond interaction, structural behaviour, practical execution, etc. Mainly those aspects are taken into account which form the majority of the design problems for persistent load situations. Moreover, seismic retrofitting is comprehended in a detailed manner. The new bulletin reflects the evolution in the design of concrete members strengthened with FRP, whereby this concrete strengthening technology has evolved from an emerging one, with first practical applications dating from the 1990s, to a widely accepted technology, with nowadays thousands of applications worldwide.

    Original languageEnglish (US)
    Title of host publicationHigh Tech Concrete
    Subtitle of host publicationWhere Technology and Engineering Meet - Proceedings of the 2017 fib Symposium
    EditorsMladena Lukovic, Dick A. Hordijk
    PublisherSpringer International Publishing
    Pages1592-1600
    Number of pages9
    ISBN (Electronic)9783319594705
    DOIs
    StatePublished - Jan 1 2017
    Event2017 fib Symposium - High Tech Concrete: Where Technology and Engineering Meet - Maastricht, Netherlands
    Duration: Jun 12 2017Jun 14 2017

    Other

    Other2017 fib Symposium - High Tech Concrete: Where Technology and Engineering Meet
    CountryNetherlands
    CityMaastricht
    Period6/12/176/14/17

    Fingerprint

    Reinforcement
    Concretes
    Fibers
    Polymers
    Retrofitting
    Mortar
    Concrete construction
    Forms (concrete)
    Strengthening (metal)
    Textiles
    Aging of materials
    Substrates

    Keywords

    • Design
    • Externally applied reinforcement (EAR)
    • Fibre reinforced polymer (FRP)
    • Rehabilitation
    • Strengthening

    ASJC Scopus subject areas

    • Architecture
    • Building and Construction
    • Civil and Structural Engineering

    Cite this

    Matthys, S., & Triantafillou, T. (2017). Fib report on design of concrete members strengthened with externally applied reinforcement. In M. Lukovic, & D. A. Hordijk (Eds.), High Tech Concrete: Where Technology and Engineering Meet - Proceedings of the 2017 fib Symposium (pp. 1592-1600). Springer International Publishing. https://doi.org/10.1007/978-3-319-59471-2_183

    Fib report on design of concrete members strengthened with externally applied reinforcement. / Matthys, Stijn; Triantafillou, Thanasis.

    High Tech Concrete: Where Technology and Engineering Meet - Proceedings of the 2017 fib Symposium. ed. / Mladena Lukovic; Dick A. Hordijk. Springer International Publishing, 2017. p. 1592-1600.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Matthys, S & Triantafillou, T 2017, Fib report on design of concrete members strengthened with externally applied reinforcement. in M Lukovic & DA Hordijk (eds), High Tech Concrete: Where Technology and Engineering Meet - Proceedings of the 2017 fib Symposium. Springer International Publishing, pp. 1592-1600, 2017 fib Symposium - High Tech Concrete: Where Technology and Engineering Meet, Maastricht, Netherlands, 6/12/17. https://doi.org/10.1007/978-3-319-59471-2_183
    Matthys S, Triantafillou T. Fib report on design of concrete members strengthened with externally applied reinforcement. In Lukovic M, Hordijk DA, editors, High Tech Concrete: Where Technology and Engineering Meet - Proceedings of the 2017 fib Symposium. Springer International Publishing. 2017. p. 1592-1600 https://doi.org/10.1007/978-3-319-59471-2_183
    Matthys, Stijn ; Triantafillou, Thanasis. / Fib report on design of concrete members strengthened with externally applied reinforcement. High Tech Concrete: Where Technology and Engineering Meet - Proceedings of the 2017 fib Symposium. editor / Mladena Lukovic ; Dick A. Hordijk. Springer International Publishing, 2017. pp. 1592-1600
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