Dynamic Analysis of Thirteen‐Story Building
Publication: Journal of Structural Engineering
Volume 117, Issue 12
Abstract
The results from dynamic analyses by computer of an existing 13‐story steel moment resisting frame building are presented. The computed dynamic properties and response behaviors are compared to the true values as determined from the recorded motions in the building during two actual earthquakes. It is shown that state‐of‐practice design type analytical models can predict the actual dynamic properties. The influence of various modeling features on the computed seismic responses is demonstrated via sample response spectrum analyses using the SEAOC spectrum. The actual building time‐history seismic response exhibited amplitude modulation, which is shown to be caused by coupled modes having closely spaced periods. It is shown that design‐type analytical models can reasonably capture the true seismic response of the study building provided the excitation levels are such that the building responds primarily in a linear‐elastic manner.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 117 • Issue 12 • December 1991
Pages: 3783 - 3803
Copyright
Copyright © 1991 ASCE.
History
Published online: Dec 1, 1991
Published in print: Dec 1991
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