Assessment of improved modal pushover analysis for eccentrically braced frames
Kazemi Amiri, A. and Vaseghi Amiri, J. and Abdollah Zadeh, Gh. (2010) Assessment of improved modal pushover analysis for eccentrically braced frames. In: 14th European Conference on Earthquake Engineering, 2010-08-30 - 2010-09-03.
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Abstract
This paper concentrates on evaluation of current Pushover Procedures to assess the seismic demands of Eccentrically Braced Frame (EBF). Three 5, 10 and 15 storey EBF frames, designed by Iranian codes, analyzed for five ground motions by MPA, IMPA, and as a proposed method MPA based on Energy-Based capacity curve (briefly E-B.MPA), also story drift of frames were estimated by conventional pushover using two Load distributions of FEMA-356, ELF and uniform patterns. It was considered, the 10 and 15 storey frames have reversal capacity curves, therefore the pushover curve of another story (not roof) was plotted to perform MPA but E-B.MPA was done with no difficulty. Comparing the responses of procedures with the results of Nonlinear Time History Analysis (NTHA) demonstrates that MPA.E-B determines drift demands of models with reversal capacity curves more accurate than other procedures. Moreover there are serious concerns about estimated drift demands of two load patterns.
ORCID iDs
Kazemi Amiri, A. ORCID: https://orcid.org/0000-0002-6741-9274, Vaseghi Amiri, J. and Abdollah Zadeh, Gh.;-
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Item type: Conference or Workshop Item(Paper) ID code: 75383 Dates: DateEvent30 August 2010PublishedSubjects: Technology > Engineering (General). Civil engineering (General) Department: Faculty of Engineering > Electronic and Electrical Engineering Depositing user: Pure Administrator Date deposited: 11 Feb 2021 14:29 Last modified: 05 Sep 2024 00:30 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/75383