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https://hdl.handle.net/2440/61369
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Type: | Journal article |
Title: | Inelastic displacement demand of strength-degraded structures |
Author: | Lumantarna, E. Lam, N. Wilson, J. Griffith, M. |
Citation: | Journal of Earthquake Engineering, 2010; 14(4):487-511 |
Publisher: | Imperial College Press |
Issue Date: | 2010 |
ISSN: | 1363-2469 1559-808X |
Statement of Responsibility: | Elisa Lumantarna, Nelson Lam, John Wilson, and Michael Griffith |
Abstract: | This article presents findings from parametric studies involving nonlinear time-history analyses of inelastic systems with and without strength degradation. Results showed that estimates based on the equal-displacement and equal-energy propositions can be exceeded significantly by the inelastic displacement demands in the acceleration and velocity-sensitive regions of the response spectrum. The displacement demand behaviour is sensitive to the strength degradation and the frequency properties of the ground shaking. With a modest strength reduction factor of 2, the inelastic displacement demand would typically be constrained by the Peak Displacement Demand as indicated on the elastic displacement response spectrum for 5% damping. |
Keywords: | Inelastic Displacement Demand Strength Degradation Limited Ductile Non Ductile Displacement-based Approach |
Rights: | Copyright A.S. Elnashai & N.N. Ambraseys |
DOI: | 10.1080/13632460903336910 |
Grant ID: | http://purl.org/au-research/grants/arc/DP0450933 http://purl.org/au-research/grants/arc/DP0772088 http://purl.org/au-research/grants/arc/DP0772088 http://purl.org/au-research/grants/arc/DP0450933 |
Published version: | http://dx.doi.org/10.1080/13632460903336910 |
Appears in Collections: | Aurora harvest Civil and Environmental Engineering publications |
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