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An efficient method for considering the directionality effect of earthquakes on structures

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24473665.pdf (273,4Kb)
 
10.1080/13632469.2019.1597783
 
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hdl:2117/185458

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Pinzón Ureña, LuisMés informació
Díaz Carrasco, Sergio
Pujades Beneit, LluísMés informacióMés informacióMés informació
Vargas Alzate, Yeudy FelipeMés informacióMés informacióMés informació
Document typeArticle
Defense date2021-09
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectDESARROLLO Y APLICACION DE HERRAMIENTAS AVANZADAS PARA LA EVALUACION, PREVENCION Y GESTION DEL RIESGO SISMICO (MINECO-CGL2015-65913-P)
Abstract
Recent research have proven the importance of considering the directionality effect on the expected seismic damage of structures. However, it demands a high computational effort if the nonlinear dynamic analysis (NLDA) is used to estimate the seismic response. This paper presents a simplified approach to obtain peak response parameters for a building subjected to bi-directional ground motions considering the directionality effect. To do so, the maximum and median response spectra, considering all the non-redundant response spectra, of several ground motion pairs are calculated. Afterwards, a spectral matching technique is applied to these spectra and new acceleration components are obtained. A series of NLDA are performed with these new components and the roof displacement and base shear values are calculated. These results are compared with the maximum and median values, calculated by performing a series of NLDA, after rotating the earthquakes records by considering increments of 1° in the interval 0°–180°. The results agree with both approaches validating the efficiency of the simplified proposed approach.
Description
This is an Accepted Manuscript of an article published by Taylor & Francis Group in Journal of Earthquake Engineering on 2019, available online at: http://www.tandfonline.com/10.1080/13632469.2019.1597783
CitationPinzon, L. [et al.]. An efficient method for considering the directionality effect of earthquakes on structures. "Journal of earthquake engineering", Setembre 2021, vol. 25, núm. 9, p. 1679-1708. 
URIhttp://hdl.handle.net/2117/185458
DOI10.1080/13632469.2019.1597783
ISSN1363-2469
Publisher versionhttps://www.tandfonline.com/doi/abs/10.1080/13632469.2019.1597783
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  • GIES - Geofísica i Enginyeria Sísmica - Articles de revista [142]
  • Departament d'Enginyeria Civil i Ambiental - Articles de revista [3.403]
  • Doctorat en Enginyeria Sísmica i Dinàmica Estructural - Articles de revista [29]
  • DECA - Grup de Recerca del Departament d'Enginyeria Civil i Ambiental - Articles de revista [173]
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