Nonlinear Rotation and Shear Stiffness Theory and Experiment Research on Rubber Isolators
Publication: Journal of Engineering Mechanics
Volume 138, Issue 5
Abstract
The rotation and shear property theory of rubber bearings is researched in the paper. On the basis of the nonlinear rotational stiffness and Haringx elastomer model, a simple mechanics model is provided to analyze the rotation, compression, and shear property for rubber isolators. The rotational stiffness analysis theories corresponding to different shear deformation state are established on the basis of the properties of rubber material and isolators. The tests of natural rubber bearings (RB) and lead plug rubber bearings (LRB) were conducted to testify the nonlinear rotational stiffness analysis model and the shear hysteretic model proposed in the paper. The test results show that both nonlinear rotational stiffness analysis model and shear hysteretic model proposed in the paper could be used effectively to analyze the mechanics properties.
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Acknowledgments
This work was supported by National Nature Science Foundation of China (No. 50878124, 90915007) and Science and Technology Commission of Shanghai (11ZZ86). The supports are gratefully acknowledged by the writers.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 138 • Issue 5 • May 2012
Pages: 441 - 449
Copyright
© 2012. American Society of Civil Engineers.
History
Received: Sep 1, 2010
Accepted: Nov 7, 2011
Published online: Apr 16, 2012
Published in print: May 1, 2012
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