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Evaluation of nonlinear static procedures in the assessment of building frames

Rui Pinho, Mario Marques, Ricardo Monteiro, Chiara Casarotti and Raimundo Delgado
Evaluation of nonlinear static procedures in the assessment of building frames
Earthquake Spectra (November 2013) 29 (4): 1459-1476


In recent years a number of nonlinear static procedures (NSPs) have been developed and proposed. Such pushover-based seismic assessment procedures are relatively straightforward to employ and are generally chosen over nonlinear dynamic analysis, especially within the realm of design office application. Parametric comparisons between the different NSPs available, however, are still somewhat sparse. In this work, five commonly employed NSPs (the N2 method, capacity spectrum method, modal pushover analysis, adaptive modal combination procedure, and the adaptive capacity spectrum method) are applied in the assessment of 16 frames subjected to a large number of input motions with a view to assess the accuracy level of such approaches through comparison with nonlinear dynamic analysis results. The evaluation shows that all the NSPs are able to accurately predict displacements and to produce reasonable estimates for other response parameters, with limited dispersion. Even though no single NSP tested led to consistently superior results, modal pushover analysis and the adaptive capacity spectrum method seemed to perform slightly better.

ISSN: 8755-2930
EISSN: 1944-8201
Serial Title: Earthquake Spectra
Serial Volume: 29
Serial Issue: 4
Title: Evaluation of nonlinear static procedures in the assessment of building frames
Affiliation: University of Pavia, Department of Civil Engineering and Architecture, Pavia, Italy
Pages: 1459-1476
Published: 201311
Text Language: English
Publisher: Earthquake Engineering Research Institute, Berkeley, CA, United States
References: 39
Accession Number: 2021-002090
Categories: SeismologyEngineering geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 2 tables
Secondary Affiliation: University of Porto, PRT, PortugalEuropean Centre for Training and Research in Earthquake Engineering (EUCENTRE), ITA, Italy
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2020, American Geosciences Institute. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 2021
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