Directional Effects of Shear Combined with Compression on Bridge Elastomeric Bearings
Publication: Journal of Bridge Engineering
Volume 15, Issue 1
Abstract
Elastomeric bearings are widely used in bridge supports to accommodate thermal and other movements. The study presented in this paper extends an earlier investigation of two-dimensional bearing performance to three dimensions. Large-deformation rubber hyperelasticity is reviewed and a theoretical model is described with the steel-reinforced bearing subjected to compression in the direction through the thickness followed by shear in various lateral directions, including bridge longitudinal and transverse directions. Computations are carried out using the general-purpose, finite-element analysis computer program, ABAQUS. Conclusions are drawn regarding the effects of shear direction on bearing behavior.
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Acknowledgments
The sponsorship of H. H. Nguyen by Vietnam’s Ministry of Education and Training while pursuing the degree of Master of Science in Civil Engineering at The University of Texas at Austin is gratefully acknowledged.
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Information
Published In
Journal of Bridge Engineering
Volume 15 • Issue 1 • January 2010
Pages: 73 - 80
Copyright
© 2010 ASCE.
History
Received: Sep 12, 2008
Accepted: Feb 24, 2009
Published online: Apr 13, 2009
Published in print: Jan 2010
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