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Retrofit
of Steel Structures using Fiber Reinforced Polymers (FRP):
State-of-the-Art |
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Amr
Shaat, David Schnerch, Amir Fam and Sami Rizkalla
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Abstract:
This paper describes the research progress to date in the field
of strengthening and repair of steel structures using fiber
reinforced polymers (FRP). While this subject has been extensively
covered for concrete structures, there has been limited research
work related to FRP applications in strengthening of steel structures.
This paper provides review of research work on retrofit of steel
flexure members including repair of naturally corroded beams,
repair of artificially notched beams, strengthening of intact
beams, and strengthening of steel/concrete composite flexure
members as well as the retrofit efforts of thin-walled tubular
sections. The paper also reviews the fatigue behavior of such
technique. Bond and force transfer mechanisms are discussed.
A field application is presented. Research needs in this field
are also discussed. |
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