Generation of Artificial Earthquakes
This article has a reply.
VIEW THE REPLYThis article has a reply.
VIEW THE REPLYThis article has a reply.
VIEW THE REPLYPublication: Journal of the Engineering Mechanics Division
Volume 90, Issue 1
Abstract
A method is developed for generating a random process that has the known pertinent properties of recorded strong-motion earthquake accelerograms. The model accelerograms are sections of a stationary, Gaussian, random process with a power spectral density found from the average of the undamped velocity spectra of recorded ground accelerations. Eight pseudo-earthquakes of thirty seconds duration were generated on the digital computer and the velocities, displacements, and velocity spectra were calculated. The average velocity spectra of the real and pseudo-earthquakes correspond closely and the velocities, displacements, and velocity spectra of the real and pseudo-earthquakes exhibit similar statistical behavior. Even some of those features sometimes attributed to the effects of local geology are shown by the pseudo-earthquakes. It is concluded that the artificial earthquakes are satisfactory models of strong-motion earthquakes for the purposes of structural analysis, and that they can be used as standard ground motions for the design of structures. It is proposed to use the pseudo-accelerograms to study the statistics of the responses of hysteretic-type structures to earthquake motion.
Get full access to this article
View all available purchase options and get full access to this article.
Information & Authors
Information
Published In
Journal of the Engineering Mechanics Division
Volume 90 • Issue 1 • February 1964
Pages: 113 - 150
Copyright
© 1964 American Society of Civil Engineers.
History
Published in print: Feb 1964
Published online: Feb 3, 2021
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.