Modeling of Rubber and Lead Passive-Control Bearings for Seismic Analysis
Publication: Journal of Structural Engineering
Volume 121, Issue 7
Abstract
A finite-element model is presented for rubber, steel and lead devices for seismic isolation and energy dissipation applications. A large displacement/large strain formulation is proposed for rubber materials considering a consistent penalty approach with gradually decreasing compressibility. Two stress-point plasticity algorithms are adopted to simulate the behavior of lead and steel materials. A practical idealization for passive control bearings is introduced based on a priori analytical and/or experimental information. The proposed procedure is verified against experimental results. The model is implemented for seismic energy dissipation of cable-stayed bridges.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 121 • Issue 7 • July 1995
Pages: 1134 - 1144
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Jul 1, 1995
Published in print: Jul 1995
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