Research Article
Feb 1980
Probabilistic Earthquake Energy Spectra Equations
Publication: Journal of the Engineering Mechanics Division
Volume 106, Issue 1
Abstract
The response of a lightly damped linear structure to a broad-band nonstationary random process with evolutionary spectral density is considered. A first-order stochastic differential equation governing the time evolution of the structural energy is derived. Utilizing this equation a readily applicable equation for the determination of the mean energy is obtained. Nonstationary random processes proposed in the literature for the simulation of earthquakes are examined in detail, and equations for the construction of probabilistic energy spectra are presented.
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Published In
Journal of the Engineering Mechanics Division
Volume 106 • Issue 1 • February 1980
Pages: 147 - 159
Copyright
© 1980 American Society of Civil Engineers.
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Published in print: Feb 1980
Published online: Feb 3, 2021
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Polihronis-Thomas Demetriou Spanos, AM.ASCE
Asst. Prof. of Engrg. Mechanics, Univ. of Texas at Austin, Austin, Tex.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.