Simplified Method for Considering Dynamic Second-Order Effects of Elastic SDOF System under Earthquakes

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Abstract:

The structures subjected to large displacement under ground motion may be severely influenced by the structural second-order effects. This paper studied the dynamic second-order effects of the single-degree-of-freedom (SDOF) system under earthquake ground motions. The following achievements have been made: (1) the stiffness reduction coefficients considering and effects under static and dynamic analysis were deduced; (2) through numerical analysis, the accuracy of the formulas was verified.

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Periodical:

Advanced Materials Research (Volumes 295-297)

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26-30

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July 2011

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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