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The European Laboratory for Structural Assessment (ELSA) is aimed to study the behaviour of structures of civil and architectural interest, in full-size or large scale, stricken by earthquakes or exposed to other severe loads. The work includes development of techniques for strengthening and/or repair of the structures. These techniques are validated by means of seismic tests performed at the Reaction Wall. This paper focuses on three test campaigns performed recently on R/C structures, dealing with both existing and repaired/strengthened structures. The aim was to compare the response of frames designed according to different approaches, one designed according to Eurocode 8, and the other according to an innovative deformation-based design method. Pseudodynamic tests were performed on the structure, one for the design earthquake and a second for the design earthquake times 1.5. During the second test severe damage was observed. After applying a retrofitting technique using Carbon Fibre Reinforced Polymers (CFRPs) the tests were repeated. Finally a cyclic test was performed up to the onset of structural failure.

Additional information

Authors: PEGON P, European Commission, Joint Research Centre, Institute for the Protection and the Security of the Citizen, Ispra (IT)
Bibliographic Reference: An oral report given at: 2002 Structures Congress and Exposition Organised by: Structural Engineering Institute and American Society of Civil Engineers Held at: Denver (US), 4-6 April 2002
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