Coupled systems mechanics

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Analysis of interfacial stresses of the reinforced concrete foundation beams repairing with composite materials plate

  • Abderezak, Rabahi (Laboratory of Geomatics and sustainable development, University of Tiaret) ;
  • Daouadji, Tahar Hassaine (Laboratory of Geomatics and sustainable development, University of Tiaret) ;
  • Rabia, Benferhat (Laboratory of Geomatics and sustainable development, University of Tiaret)
  • Received : 2020.07.28
  • Accepted : 2020.08.03
  • Published : 2020.10.25
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Abstract

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.

Keywords

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