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Coupled Systems Mechanics
  Volume 9, Number 5, October 2020, pages 473-498

Analysis of interfacial stresses of the reinforced concrete foundation beams repairing with composite materials plate
Rabahi Abderezak, Tahar Hassaine Daouadji and Benferhat Rabia

    This paper presents a careful theoretical investigation into interfacial stresses in reinforced concrete foundation beam repairing with composite plate. The essential issue in the analysis of reinforced structures with composite materials is to understand the individual behaviour of each material and its interaction with the remaining ones. The present model is based on equilibrium and deformations compatibility requirements in and all parts of the repaired RC foundation beam, i.e., the reinforced concrete foundation beam, the composite plate and the adhesive layer. The theoretical predictions are compared with other existing solutions, By comparisons between the existing solutions and the present new solution enable a clear appreciation of the effects of various parameters such as the geometric characteristics and mechanical properties of the components of the repaired beam, as well as the geotechnical stresses of the soil are considered. This research is helpful for the understanding on mechanical behaviour of the interface and design of the composite-concrete hybrid structures.
Key Words
    RC foundations beam; interfacial stresses; repair of structures; composite plates
Rabahi Abderezak, Tahar Hassaine Daouadji and Benferhat Rabia: Laboratory of Geomatics and sustainable development, University of Tiaret, Algeria

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