Numerical analysis of an elastomeric bearing pad by hyperelastic models

  • Rivania Cristina Rezende Federal University of Minas Gerais (Brazil)
  • Marcelo Greco Federal University of Minas Gerais (Brazil)
  • Debora Francisco Lalo Federal University of Minas Gerais (Brazil)
Keywords: elastomeric bearing pad, bridges, deformation, hyperelastic model, finite elements analysis

Abstract

Elastomeric bearing pads are responsible for transferring loads at the junction between beams and columns of bridges and viaducts, providing restrict freedom of movement in the superstructure. The elastomeric material of the bearing pad is a synthetic rubber reinforced with carbon black particles and subjected to a process of vulcanization, also represented by hyperelastic material models based on strain energy density functions. The objective of the present paper is to use the finite element analysis software Abaqus® to select the most appropriate hyperelastic model, as well as its constants, applying them in a bearing pad installed in an existing viaduct, evaluating its behavior and displacements resulting from the application of usual loads. The proposed methodology presents results coherent with technical specifications limits for available bearing pads products.

Author Biographies

Rivania Cristina Rezende, Federal University of Minas Gerais (Brazil)

Federal University of Minas Gerais, Graduate Program in Structure Engineering

Marcelo Greco, Federal University of Minas Gerais (Brazil)

Federal University of Minas Gerais, Graduate Program in Structure Engineering

Debora Francisco Lalo, Federal University of Minas Gerais (Brazil)

Federal University of Minas Gerais, Graduate Program in Structure Engineering

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Published
2020-12-25