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Type: Conference paper
Title: Is Modal Pushover Analysis accurate in estimating seismic demands for unreinforced masonry buildings with flexible diaphragms?
Author: Nakamura, Y.
Derakhshan, H.
Griffith, M.C.
Magenes,, G.
Citation: Proceedings of the 16th International Brick and Block Masonry Conference (IB2MaC), as published in Brick and Block Masonry - Trends, Innovations and Challenges, 2016 / Modena, C., da Porto, F., Valluzzi, M.R. (ed./s), pp.269-273
Publisher: CRC Press
Publisher Place: London, UK
Issue Date: 2016
ISBN: 1138029998
Conference Name: 16th International Brick and Block Masonry Conference (16th IB2MaC) (26 Jun 2016 - 30 Jun 2016 : Padova, Italy)
Editor: Modena, C.
da Porto, F.
Valluzzi, M.R.
Statement of
Y. Nakamura, H. Derakhshan, M. C. Griffith & G. Magenes
Abstract: Accurate estimation of the inelastic response demands of buildings subjected to a specific in-tensity of ground excitation is an essential component of a performance-based seismic assessment. In recent decades, the application of the nonlinear static (pushover) analysis method has become an accepted practice in estimating the peak seismic demands of many structural systems. For unreinforced masonry (URM) build-ings, the commonly utilized pushover analysis methods assume the building to respond in a single-mode. However, many URM buildings contain flexible timber floor and roof diaphragms, and the responses of such buildings are known to be governed by multiple dominant modes. Recognizing the limitation of the single-mode assumption in analyzing URM buildings with flexible diaphragms, several researchers have nominated the Modal Pushover Analysis (MPA) as a suitable alternative analysis method. The present paper investigates the applicability of the MPA in predicting the peak seismic responses of URM buildings with flexible dia-phragms, and identifies the limitation of the method in capturing the cumulative nature of shear damage.
Description: Book of Conference proceedings - Brick and Block Masonry - Trends, Innovations and Challenges
Rights: © 2016 Taylor & Francis Group
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Appears in Collections:Aurora harvest 7
Civil and Environmental Engineering publications

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