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Item Seismic Response of Ground-Supported Circular Concrete Tanks By Ahmed Hafez A Dissertation presented to Ryerson University in partial ful ?llment of the requirements for the degree of Doctor of Philosophy in the Program of Civil Engineering Toronto O

Seismic Response of Ground-Supported Circular Concrete Tanks By Ahmed Hafez A Dissertation presented to Ryerson University in partial ful ?llment of the requirements for the degree of Doctor of Philosophy in the Program of Civil Engineering Toronto Ontario Canada ? Ahmed Hafez CLibrary and Archives Canada Published Heritage Branch Wellington Street Ottawa ON K A N Canada NOTICE The author has granted a nonexclusive license allowing Library and Archives Canada to reproduce publish archive preserve conserve communicate to the public by telecommunication or on the Internet loan distrbute and sell theses worldwide for commercial or noncommercial purposes in microform paper electronic and or any other formats The author retains copyright ownership and moral rights in this thesis Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission In compliance with the Canadian Privacy Act some supporting forms may have been removed from this thesis While these forms may be included in the document page count their removal does not represent any loss of content from the thesis Bibliothèque et Archives Canada Direction du Patrimoine de l'édition rue Wellington Ottawa ON K A N Canada Your ?le Votre référence ISBN - - - - Our ?le Notre référence ISBN - - - - AVIS L'auteur a accordé une licence non exclusive permettant à la Bibliothèque et Archives Canada de reproduire publier archiver sauvegarder conserver transmettre au public par télécommunication ou par l'Internet prêter distribuer et vendre des thèses partout dans le monde à des ?ns commerciales ou autres sur support microforme papier électronique et ou autres formats L'auteur conserve la propriété du droit d'auteur et des droits moraux qui protege cette thèse Ni la thèse ni des extraits substantiels de celle-ci ne doivent être imprimés ou autrement reproduits sans son autorisation Conformément à la loi canadienne sur la protection de la vie privée quelques formulaires secondaires ont été enlevés de cette thèse Bien que ces formulaires aient inclus dans la pagination il n'y aura aucun contenu manquant CAUTHOR ? S DECLARATION AUTHOR'S DECLARATION FOR ELECTRONIC SUBMISSION OF A DISSERTATION I hereby declare that I am the sole author of this dissertation This is a true copy of the dissertation including any required ?nal revisions as accepted by my examiners I authorize Ryerson University to lend this dissertation to other institutions or individuals for the purpose of scholarly research I further authorize Ryerson University to reproduce this dissertation by photocopying or by other means in total or in part at the request of other institutions or individuals for the purpose of scholarly research I understand that my dissertation may be made electronically available to the public Ahmed Hafez ii CSeismic Response of Ground-Supported Circular Concrete Tanks Ahmed Hafez Doctor of Philosophy Department of Civil Engineering Ryerson University ABSTRACT This study is focused on the nonlinear behavior of ground-supported open top circular concrete tanks under the e ?ect of seismic loads The tank support conditions are considered in this study where both exible and non