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Probabilistic design of FRP strengthening of concrete structures
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0001-7799-5809
2008 (English)In: High Performance Structures and Materials IV: [proceedings of the Fourth International Conference on High Performance Structures and Materials (HPSM), which was held in the Algarve, Portugal, in May 2008] / [ed] W.P. De Wilde; C.A. Brebbia, Southampton: WIT Press, 2008, p. 481-489Conference paper, Published paper (Refereed)
Abstract [en]

For a long period of time CFRP plate bonding has been shown to be a competitive method for shear strengthening, both in regards to structural performance and economical aspects. A handful of models for design that include different strengthening aspects exist. Most proposals are derived from assumptions made for the design of new structures and are also based on a deterministic approach where in the best cases a safety factor is added. The use of probabilistic methods is extending and reliability of a designed structure is sometimes calculated. This paper presents how the reliability should be used in the design for strengthening an existing structure, which issues should be considered and also what safety one can expect from a structure strengthened in shear. Partial coefficients on material properties and loads are used to give a uniform treatment of the risk of failure. When partial coefficients are chosen, the reason for strengthening and the strengthening method may be considered to achieve an optimal strengthening with respect to structural safety and economy. The results from the analysis indicate design models for shear strengthening should be analytically determined with a transparent strategy for the uniform treatment of reliability aspects.

Place, publisher, year, edition, pages
Southampton: WIT Press, 2008. p. 481-489
Series
W I T Transactions on the Built Environment, ISSN 1746-4498 ; 97
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-29676DOI: 10.2495/HPSM080491Scopus ID: 2-s2.0-58849143788Local ID: 339421f0-f849-11dd-a5fb-000ea68e967bISBN: 978-1-84564-106-1 (print)OAI: oai:DiVA.org:ltu-29676DiVA, id: diva2:1002901
Conference
International Conference on High Performance Structures and Materials : 30/04/2008 - 30/04/2008
Note
Validerad; 2008; 20090211 (ysko)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-07-10Bibliographically approved

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Carolin, AndersTäljsten, Björn

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