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http://dx.doi.org/10.15683/kosdi.2017.03.31.81

Experimental and Analytical Study on the Steel Beam bonded with CFRP Strip  

Sung, Ikhyun (Department Civil Engineering, University of Hanseo)
Publication Information
Journal of the Society of Disaster Information / v.13, no.1, 2017 , pp. 81-88 More about this Journal
Abstract
In this paper, the behaviour of composite steel-CFRP members is studied experimentally and using FE-analysis. The use of advance composite materials in construction for repair and rehabilitation has become a frequent used method in the last decade. FRP composites have many advantages over the traditional technique of steel bonding for a number of reasons: 1. Composites add little or no additional weight to a building, eliminating the need for costly foundation strengthening. 2. FRP composites are very thin (1.2mm to 1.4mm). So there is no loss of floor space and negligible effect over the architectural aspect. 3. FRP composites do not corrode, this makes it long lasting. However, the method is yet to become a mainstream application due to a number of economical and design related issues. Brittle debonding failure, aging effect on bonding, broad based awareness and proper design guidelines are the main concern for future research works. This paper is focused on the ultimate load carrying capacity of the CFRP-strengthened beams and their effect on the deflection and failures modes by varying the amount of CFRP content.
Keywords
Beams; CFRP; steel plating; strenthening; debonding;
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