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Numerical simulation of squat reinforced concrete wall strengthened by FRP composite material

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Abstract

The advanced design rules and the latest known earthquakes, have imposed a strengthening of reinforced concrete structures. Many research works and practical achievements of the application of the external reinforcement by using FRP composite materials have been particularly developed in the recent years. This type of strengthening seems promising for the seismic reinforcement of buildings. Among of the components of structures that could affect the stability of the structure in case of an earthquake is the reinforced concrete walls, which require in many cases a strengthening, especially in case where the diagonal cracks can be developed. The intent of this paper is to present a numerical simulation of squat reinforced concrete wall strengthened by FRP composite material (carbon fiber epoxy). The intent of this study is to perform finite element model to investigate the effects of such reinforcement in the squat reinforced concrete walls. Taking advantage of a commercial finite element package ABAQUS code, three-dimensional numerical simulations were performed, addressing the parameters associated with the squat reinforced concrete walls. An elasto-plastic damage model material is used for concrete, for steel, an elastic-plastic behavior is adopted, and the FRP composite is considered unidirectional and orthotropic. The obtained results in terms of displacements, stresses, damage illustrate clearly the importance of this strengthening strategy.

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Authors and Affiliations

  1. Department of Civil Engineering, Tizi-Ouzou University, Tizi Ouzou, 15000, Algeria

    Ali Kezmane, Said Boukais & Mohand Hamizi

  2. Department of Civil engineering, Riga Technical University, Riga, LV-1658, Latvia

    Ali Kezmane

Authors
  1. Ali Kezmane
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  2. Said Boukais
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  3. Mohand Hamizi
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Correspondence to Ali Kezmane.

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Kezmane, A., Boukais, S. & Hamizi, M. Numerical simulation of squat reinforced concrete wall strengthened by FRP composite material. Front. Struct. Civ. Eng. 10, 445–455 (2016). https://doi.org/10.1007/s11709-016-0339-9

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  • DOI: https://doi.org/10.1007/s11709-016-0339-9

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