Strut-and-Tie Models of Deep Beams Influenced by Size and Location of Web Openings  An Optimization Approach

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Title Strut-and-Tie Models of Deep Beams Influenced by Size and Location of Web Openings  An Optimization Approach
Author Guan, Hong; Eurviriyanukul, Sunita; Loo, Yew-Chaye
Publication Title Analytical and Computational Methods
Editor Worsak Kanok-Nukulchai, Sunil Munasinghe and Naveed Anwar
Year Published 2006
Place of publication Bangkok, Thailand
Publisher Asian Institute of Technology
Abstract The strut-and-tie models of a total of fourteen (14) concrete deep beams with varying size and location of web openings are developed herein using a topology optimization approach. By systematically eliminating inefficient materials from an over-designed discretized domain, the load transfer mechanism in deep beams is progressively characterized by the residual part of the structure. Both von Mises stress and displacement sensitivity number are calculated and used as deletion criteria. The performance indices in terms of von Mises stress and nodal displacement are evaluated to monitor the optimization process and to determine the optimal topology which is transferred to the strut-and-tie model. The relationship between the strut-and-tie models and the ultimate load-carrying capacity of the beams are discussed in some detail. A series of comparisons offer an insight into the varying characteristics of the strut-and-tie models influenced by the size and location of web openings.
Peer Reviewed Yes
Published Yes
ISBN 974-8257-21-5
Conference name Tenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-10)
Location Bankok, Thailand
Date From 2006-08-03
Date To 2006-08-05
URI http://hdl.handle.net/10072/13371
Date Accessioned 2007-02-25
Date Available 2007-08-06T02:25:41Z
Language en_AU
Research Centre Centre for Infrastructure Engineering and Management
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Structural Engineering
Publication Type Conference Publications (Full Written Paper - Refereed)
Publication Type Code e1

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