RESPONSE ANALYSIS OF THE SOIL-STRUCTURE INELASTIC INTERACTION SYSTEM UNDER EVOLUTIONARY RANDOM EXCITATIONS

Zhang Guodong

doi:10.13204/j.gyjz200512018

Volume 35 Issue 12

Dec. 2014

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Zhang Guodong. RESPONSE ANALYSIS OF THE SOIL-STRUCTURE INELASTIC INTERACTION SYSTEM UNDER EVOLUTIONARY RANDOM EXCITATIONS[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(12): 67-71. doi: 10.13204/j.gyjz200512018

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Zhang Guodong. RESPONSE ANALYSIS OF THE SOIL-STRUCTURE INELASTIC INTERACTION SYSTEM UNDER EVOLUTIONARY RANDOM EXCITATIONS[J]. INDUSTRIAL CONSTRUCTION, 2005, 35(12): 67-71. doi: 10.13204/j.gyjz200512018

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RESPONSE ANALYSIS OF THE SOIL-STRUCTURE INELASTIC INTERACTION SYSTEM UNDER EVOLUTIONARY RANDOM EXCITATIONS

doi: 10.13204/j.gyjz200512018

Zhang Guodong

1.
College of Civil &Hydropower Engineering,University of the Changjiang Gorges Yichang 443002

Received Date: 2005-05-28
Publish Date: 2005-12-20

Abstract

Abstract

The evolutionary random excitation acting on structures is assumed to be non-uniformly modulated.The non-stationary characters of earthquake motion of intensity and frequency are considered, and the soil-structure interaction system is analysed by equivalent linearization method.The evolutionary spectra and time-variant cross-correlation function of the response for the soil-structure interaction system are obtained, and one utility method of calculation and its process are also given.The numerical example shows that the inelastic response of the soil-structure interaction system is affected significantly by the characters of the frequency non-stationarity of seismic ground motion.

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References

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