Research Article
Dec 1972
Finite Earthquake-Response of Inelastic Structure
Authors: Chi-Mou Ni and Lawrence H.N. Lee, F.ASCEAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 98, Issue 6
Abstract
A numerical procedure based on an absolute minimum principle has been developed for investigating the dynamic response of an inelastic structure at finite deformation. The inelastic response of a wide flange steel column, which is built in at the base and attached to a heavy mass at the top, to combined vertical and horizontal earthquake-type excitations, has been investigated. It has been shown that when the weight of the tip mass is much less than the Euler buckling load of the column, the dynamic response of the structure subjected to combined vertical and horizontal excitation does not deviate much from that caused by the horizontal excitation alone. However, when the tip mass is comparatively large, the vertical inertia force of the tip mass caused by the vertical excitation may influence the resultant motion of the structure under a combination of vertical and horizontal excitations, and consequently, the mode and time of collapse of the structure.
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Published In
Journal of the Engineering Mechanics Division
Volume 98 • Issue 6 • December 1972
Pages: 1529 - 1546
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Dec 1972
Published online: Feb 3, 2021
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Authors
Affiliations
Chi-Mou Ni
Assoc. Sr. Research Engr., General Motors Research Lab., Warren, Mich.; formerly, Research Asst., Engrg. Sc. Program, Univ. of Notre Dame, Notre Dame, Ind.
Lawrence H.N. Lee, F.ASCE
Prof., Dept. of Aerospace and Mech. Engrg., Univ. of Notre Dame, Notre Dame, Ind.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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.