Shear Retrofitting Effect of RC Beams Damaged by Corrosion of Stirrup Strengthened with CFS

Sung Ho Tae; Han Seung Lee; Tae Soo Kim

doi:10.4028/www.scientific.net/KEM.348-349.441

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 348-349Shear Retrofitting Effect of RC Beams Damaged by...

Shear Retrofitting Effect of RC Beams Damaged by Corrosion of Stirrup Strengthened with CFS

Abstract:

In this study, an Ohno's anti-symmetric shear loading test was conducted after strengthening reinforced concrete (RC) beams damaged by corrosion of stirrup, with carbon fiber sheets (CFS) with a view to reviewing the effect of CFS on shear strengthening. As a result, it was found that CFS like stirrups could take shear stress, and that shear strength could be increased by using more CFS for reinforcement. It was also revealed that shear strength could be calculated by an existing evaluation equation by properly evaluating the effect of CFS on shear strengthening, based on the quantity of reinforcing CFS, ways of fixing the sheets and anchorage length as the effect on shear strengthening varied depending on the fixing method while sheet anchorage increased deformability.

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Periodical:

Key Engineering Materials (Volumes 348-349)

Pages:

441-444

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.348-349.441

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Online since:

September 2007

Authors:

Sung Ho Tae, Han Seung Lee, Tae Soo Kim

Keywords:

Carbon Fiber Sheet (CFS), Chloride Attack, Reinforced Concrete (RC) Beam, Reinforcement Corrosion, Shear Strength

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References

[1] H.S. Lee, T. Kage, F. Tomosawa, T. Noguchi, An experimental study on the retrofitting effects of reinforced concrete columns damaged by rebar corrosion strengthened with carbon fiber sheets, Cement and Concrete Research, 33, 2003, pp.563-570.

DOI: 10.1016/s0008-8846(02)01004-9

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DOI: 10.14359/2732

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