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Ingeniería e Investigación 2012, 32 3

Author: A. Luévanos

Source: http://www.redalyc.org/


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Ingeniería e Investigación ISSN: 0120-5609 revii_bog@unal.edu.co Universidad Nacional de Colombia Colombia Luévanos, A. A comparative study of two models for the seismic analysis of buildings Ingeniería e Investigación, vol.
32, núm.
3, diciembre, 2012, pp.
37-41 Universidad Nacional de Colombia Bogotá, Colombia Available in: http:--www.redalyc.org-articulo.oa?id=64324939008 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative INGENIERÍA E INVESTIGACIÓN VOL.
32 No.
3, DECEMBER 2012 (37-41) A comparative study of two models for the seismic analysis of buildings Estudio comparativo de dos modelos para análisis sísmico de edificios A.
Luévanos1 ABSTRACT This paper presents a model for the seismic analysis of buildings, taking two lumped masses at each level in a structure’s free nodes and comparing them to the traditional model which considers lumped masses per level, i.e., a mass for each floor of the entire building.
This is usually done in the seismic analysis of buildings; not all values are conservative in the latter, as can be seen in the table of results.
Both models took shear deformations into account.
Therefore, the usual practice of considering a lumped mass per each level would not be a recommended solution; using two lumped masses per level is thus proposed and is also more related to real conditions. Keywords: modal analysis, spectral analysis, eigenvalues and eigenvectors, modal participation factor, spectral acceleration, maximum normal coordinate vector RESUMEN En este documento se presenta un modelo para análisis sísmico de edificios en el cual se toman dos masas concentradas por cada nivel aplicadas en los nodos libres de la estructura y se compara con el modelo tradicional, que considera las masas ...





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