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Seismic performance evaluation of reinforced concrete moment resisting frames

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Seismic performance evaluation of reinforced concrete moment resisting frames

El Kafrawy, Omar (2006) Seismic performance evaluation of reinforced concrete moment resisting frames. Masters thesis, Concordia University.

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Abstract

During the last few decades, the concepts and procedures of seismic design of buildings have evolved significantly. Traditionally, seismic design was based on providing the structure with the strength it needs to resist equivalent lateral forces that represent the earthquake induced forces. This methodology has proven to be inefficient in providing the target level of seismic performance in all case scenarios. The new methodology in seismic design, performance-based design, aims at designing the structure to achieve the expected performance levels under different levels of seismic hazard. Although this goal is still not fully attained, several developments have taken place towards it. The latest edition of the National Building Code of Canada (NBCC 2005) requires the use of dynamic analysis for the seismic design, except in the case of short to medium height simple buildings with regular geometry where the use of the equivalent static load method is still allowed. In this study, three moment resisting frame buildings assumed to be located in Vancouver, British Columbia are designed based on the equivalent static load method of the NBCC 2005 and their performance is evaluated using nonlinear dynamic time-history analysis. Multiple ground motion records corresponding to different seismic hazard levels are used in the analysis. The effect of infill panels on the seismic response is studied as well. The results show that the design is satisfactory and, in some cases, conservative. The results also show that infill panels, in most cases, enhance the dynamic response of the buildings, while in some cases they may have a negative impact on it.

Divisions:Concordia University > Faculty of Engineering and Computer Science > Building, Civil and Environmental Engineering
Item Type:Thesis (Masters)
Authors:El Kafrawy, Omar
Pagination:xii, 170 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:M.A. Sc.
Program:Building, Civil and Environmental Engineering
Date:2006
Thesis Supervisor(s):Bagchi, Ashutosh
ID Code:9247
Deposited By:Concordia University Libraries
Deposited On:18 Aug 2011 14:47
Last Modified:29 Nov 2011 16:32
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