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Seismic Analysis and Design of Steel Plate Shear Walls Open Access

Descriptions

Other title
Subject/Keyword
Strain rate
Seismic
Shear Wall
Steel Plate
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Bhowmick, Anjan K
Supervisor and department
Grondin, Gilbert Y. (Department of Civil and Environmental Engineering)
Driver, Robert G. (Department of Civil and Environmental Engineering)
Examining committee member and department
Mercan, Oya (Department of Civil and Environmental Engineering)
Mendez, Patricio F. (Department of Chemicals and Materials Engineering)
Rogers, Colin A. (Department of Civil Engineering and Applied Mechanics, McGill University, Canada)
Szymanski, Jozef (Department of Civil and Environmental Engineering)
Department
Department of Civil and Environmental Engineering
Specialization

Date accepted
2009-10-07T18:44:47Z
Graduation date
2009-11
Degree
Doctor of Philosophy
Degree level
Doctoral
Abstract
A nonlinear finite element model was developed to study the behaviour of unstiffened steel plate shear walls. The model was validated using the results from quasi-static and dynamic experimental programs. With the validated finite element model, the performance of 4-storey and 8-storey Type D (ductile) and Type LD (limited-ductility) steel plate shear walls with moment-resisting beam-to-column connections was studied under spectrum-compatible seismic records. A design procedure that aims to achieve optimal seismic behaviour for steel plate shear walls was proposed. The proposed method uses the concepts of indirect capacity design principles of CAN/CSA-S16-01 to identify the infill plates that are likely to yield in the design earthquake. The proposed method was used for the design of two 4-storey and one 8-storey shear walls. Design axial forces and moments in the boundary columns for the shear walls were shown to be in good agreement with nonlinear seismic analysis results. Results also showed that some of the other capacity design methods available generally underestimate the maximum design forces in the columns, while others can be overly conservative. The effect of loading rate on the dynamic behaviour of steel plate shear walls was also investigated, as was the P-Delta effect in terms of its influence on seismic demand in shear and flexure. A shear strength model of the infill plate with circular openings at any location was developed based on a strip model where all the strips with perforations were partially discounted. A design method for steel plate shear walls with perforations was introduced. The method was applied for the design of boundary columns of a 4-storey steel plate shear wall with perforations. The predicted design forces in the columns for the 4-storey perforated shear wall agreed well with the forces obtained from nonlinear seismic analysis. Finally, an improved simple formula for estimating the fundamental period of steel plate shear walls was developed by regression analysis of the period data obtained from frequency analysis of series of steel plate shear walls. In addition, the effectiveness of a shear–flexure cantilever formulation for determining fundamental periods and P-Delta effects of steel plate shear walls was studied.
Language
English
DOI
doi:10.7939/R3R90S
Rights
License granted by Anjan Bhowmick (bhowmick@ualberta.ca) on 2009-10-02T16:06:25Z (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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