Explicit nonlinear formulation of bridge bearings with the Mullins effect

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Abstract

Bearings for bridges, earthquake isolation bearings for buildings, and elements in vehicle suspensions may be made from one or more layers of rubberlike material between rigid steel plates to which the material is bonded. However, rubberlike materials are generally not purely elastic and when they are subjected to cyclic loading they exhibit stress-softening phenomenon widely known as the Mullins effect. Using a variational method, this paper develops novel explicit nonlinear forms of solution for axial deformation of bonded mounts that exhibit stress softening. The explicit formulae are simple to use for design purposes, and are consistent with expected behaviour.

Original languageBritish English
Title of host publicationProceedings of the 10th International Conference on Computational Structures Technology, CST 2010
PublisherCivil-Comp Press
Volume93
ISBN (Print)9781905088386
StatePublished - 2010
Event10th International Conference on Computational Structures Technology, CST 2010 - Valencia, Spain
Duration: 14 Sep 201017 Sep 2010

Conference

Conference10th International Conference on Computational Structures Technology, CST 2010
Country/TerritorySpain
CityValencia
Period14/09/1017/09/10

Keywords

  • Bonded-mounts
  • Explicit-formulae
  • Mullins
  • Nonlinear
  • Stress-softening

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