Communications - Scientific Letters of the University of Zilina 2004, 6(3):22-27 | DOI: 10.26552/com.C.2004.3.22-27

Shear capacity of rc beams strengthened with externally bonded frp composite sheets

Patrik Kotula1, Stefan Zemko2
1 Department of Building Constructions and Bridges, Faculty of Civil Engineering, University of Zilina, Slovakia
2 Osloboditelov 20, Zilina, Slovakia

The strengthening of concrete structures using fibre reinforced polymer (FRP) materials has become a growing area in the construction industry over the last few years. Valuable research work is going on all over the world.This work is focused on theoretical, numerical and experimental analysis of the RC beam strengthened with a carbon fibre reinforced polymer (CFRP) sheet of the MBT-MBrace CF 640 type in a shear span of the RC beam.The aim of this paper is to present a simple design approach of calculation of a CFRP sheet contribution to the shear capacity of the RC beams and to compare results with values obtained from numerical analysis based on the finite element method (FEM) with ATENA-2D program being employed and with experimental results.The experiment confirms availability of CFRP sheets for shear strengthening of RC beams.

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Published: September 30, 2004  Show citation

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Kotula, P., & Zemko, S. (2004). Shear capacity of rc beams strengthened with externally bonded frp composite sheets. Communications - Scientific Letters of the University of Zilina, 6(3), 22-27. doi: 10.26552/com.C.2004.3.22-27
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    References

    1. Design guide FRP: Fiber reinforcement polymer for S&P Products, June 2000, 70 p.
    2. HALPIN, J. C. - TSAI, S. W.: Effect of Environmental Factors on Composite Materials, AFML-TR, 1962
    3. STN P ENV 1992-1-1: Design of concrete structures, Part 1: General rules and rules for buildings, Bratislava, May 1999
    4. TRIANTAFILLOU, T. C.: Shear Strengthening of Concrete Members Using Composites, Non-Metallic (FRP) Reinforcement for Concrete Structures, Proceedings of the Third Symposium, Vol. 1, Japan, Oct 1997, p. 523-530.
    5. ATENA Program Documentation, PART 1, ATENA Theory Manual, CERVENKA CONSULTING, 2000
    6. KOTULA, P.: Shear Capacity of RC Beams strengthened with CFRP sheets (in Slovak), Proceedings of conference Staticko-konštrukčné a stavebno-fyzikálne problémy stavebných konštrukcií, Tatranská Lomnica, Vysoké Tatry, November 2003, p. 187-192, ISBN 80-232-0221-9.

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