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The optimum design of a base isolation system with frictional elements

✍ Scribed by Michalakis C. Constantinou; Iradj G. Tadjbakhsh

Publisher
John Wiley and Sons
Year
1984
Tongue
English
Weight
616 KB
Volume
12
Category
Article
ISSN
0098-8847

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✦ Synopsis

A linear multistorey structure with a seismic base isolation system consisting of rubber bearings and frictional elements is considered. The non-linear equations of motion are derived for the first mode vibration and the stochastic response to a white noise ground acceleration is determined. Based on this response, suitable objective functions are defined and the optimum design of the isolation system is performed. It is shown that a small amount offriction increases the effectiveness of the system compared with the same system but without frictional elements.

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