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TECHNICAL PAPERS

Evaluation for Mechanical Properties of Laminated Rubber Bearings Using Finite Element Analysis

[+] Author and Article Information
Akihiro Matsuda

Central Research Institute of Electric Power Industry, 1646 Abiko, Abiko, Chiba, 270-1194(ZIP), Japan

J. Pressure Vessel Technol 126(1), 134-140 (Feb 26, 2004) (7 pages) doi:10.1115/1.1636784 History: Received November 08, 2002; Revised June 24, 2003; Online February 26, 2004
Copyright © 2004 by ASME
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References

Figures

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Isolated rubber bearing
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The dynamic two axial test facility
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Stress response obtained from loading tests and constitutive equation: (a) Time history of shear deformation; (b) Stress responses of HRB (vertical load 0N, cyclic shear deformation 0.01 Hz); and (c) Stress responses of NRB (vertical load 0N, cyclic shear deformation 0.01 Hz)
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Numerical model of HR: (a) Viscoelastic Maxwell model of HR; and (b) Damage function
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Stress response of shear deformation: (a) Time history of deformation; (b) Relationships between vertical load and horizontal deformation; (c) Relationships between horizontal load and deformation; and (d) FEM mesh
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Stress response of tensile deformation: (a) Time history of deformation; (b) Relationships between horizontal load and deformation; and (c) FEM mesh
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Test equipments and specimen for volumetric test
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Results of volumetric test: (a) Volumetric test results given from three specimens; and (b) Approximated curves fitted by Eq. (24)
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Effect of compressibility on vertical stiffness (NR40-7)
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Loading test and simulated results of shear deformation of NRB: (a) NRB30-7; (b) NRB20-7; and (c) NRB20-5
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Loading test and simulated results of vertical deformation of NRB: (a) NRB30-7; (b) NRB20-7; and (c) NRB20-5
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Contours of vertical stress (εh:200%, Vertical stress: 2.45 MPa): (a) NRB40-7; and (b) NRB20-5

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