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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Shear Strengthening with Bonded CFRP L-Shaped Plates
Author(s): M. Basler, D. White, and M. Desroches
Publication: Special Publication
Appears on pages(s): 373-384
Keywords: CFRP L-shaped plates; shear strengthening; structural strengthening 373
Abstract:Maintenance, rehabilitation and change in use of existing structures have become more and more important the number of new structures decreases. More than 10 years ago FRP strengthening systems were introduced into the construction industry. External flexural strengthening of reinforced concrete structures using bonded CFRP plates was first utilized in 1991 on the Ibach Bridge near Lucerne, Switzerland . After the first pilot applications in the early 1990's and introduction to the market in 1994, flexural strengthening by bonding CFRP plates to many structures has become accepted world-wide and is now commonplace . Systematic testing undertaken by Sika AG, Switzerland in co-operation with the independent laboratories of EMPA (Swiss Federal Institute for Materials Testing and Research) offers a new solution for shear strengthening using CFRP L-shaped plates. To guarantee the expected long-term behaviour of the strengthening system, it is necessary that the CFRP plate and the structural adhesive be designed and installed as a complete system.
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