Repair and strengthening of steel structures using CFRP composites: an overview

descriptionPublicationkeyboard_double_arrow_right Part of book or chapter of book , Article , Conference object 01 Jan 2023Embargo end date: 06 Jan 2026 English Publisher:Rio de Janeiro : Pontifícia Universidade Católica do Rio de Janeiro

Authors: Heydarinouri, H.; Hosseini, A.; Li, L.; Wang, S.; Motavalli, M.; Ghafoori, E.;

doi: 10.15488/20309 , 10.5281/zenodo.8075725 , 10.5281/zenodo.8075724

Repair and strengthening of steel structures using CFRP composites: an overview

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Abstract

Since decades, carbon fiber-reinforced polymer (CFRP) composites have been used for strengthening of concrete structures, for which the required design theories and techniques have been well developed. However, strengthening of steel structures still requires further development of relevant theories and techniques. In this paper, the main differences in design requirements for CFRP strengthening of concrete and steel members are discussed. In addition, an overview on the research at Empa on non-prestressed/prestressed bonded/ubonded strengthening systems using CFRP plates and rods for steel girders, plates and connections is given, and, a few projects for real application of the developed systems in steel bridges are briefly explained.

KEYNOTE: 2023 IIFC Young Researcher Award Recipient - Professor Elyas Ghafoori

Related Organizations

University of Hannover
Germany
Swiss Federal Laboratories for Materials Science and Technology
Switzerland

Keywords

690, Prestressing, Carbon Fiber-reinforced Polymer (CFRP), Steel strengthening,, Bonded, Fatigue, Pre-stressed Unbonded Reinforcement, Konferenzschrift

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