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Stability of round concrete columns confined by composite wrappings

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Abstract

External confinement by the wrapping of fiber-reinforced polymer (FRP) sheets is a very effective method for the strengthening and retrofit of round concrete columns. The stability and strength of concrete columns confined by carbon FRP jackets in which the fibers are oriented in the hoop direction was studied. Stability tests were conducted on hinged plain and confined concrete columns of different slenderness. The theoretically predicted critical stress at the on set of in stability was compared with that obtained experimentally, and a good agreement between them was observed.

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Authors and Affiliations

  1. Institute of Polymer Mechanics, University of Latvia, Aizkraukles St. 23, Riga, LV-1006, Latvia

    V. Tamuzs, E. Zile & V. Valdmanis

  2. Department of Civil and Environmental Engineering, Structural Engineering, Concrete Structures, Chalmers University of Technology, Göteborg, SE-412 96, Sweden

    R. Tepfers

Authors
  1. V. Tamuzs
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  2. R. Tepfers
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  3. E. Zile
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  4. V. Valdmanis
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Additional information

Russian translation published in Mekhanika Kompozitnykh Materialov, Vol. 43, No. 5, pp. 657–666, September–October, 2007.

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Tamuzs, V., Tepfers, R., Zile, E. et al. Stability of round concrete columns confined by composite wrappings. Mech Compos Mater 43, 445–452 (2007). https://doi.org/10.1007/s11029-007-0042-y

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  • DOI: https://doi.org/10.1007/s11029-007-0042-y

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