Chapter
Jul 11, 2012
Design of Structural Braced Frames Using Group Optimization
Authors: Lauren Stromberg, Alessandro Beghini, William F. Baker, and Glaucio H. Paulino [email protected]Author Affiliations
Publication: 20th Analysis and Computation Specialty Conference
Abstract
Though topology optimization has been applied to many fields, ranging from mechanical to aerospace engineering, more work must be done to tailor it to the needs of the structural engineer, especially in regards to the design of high-rise buildings. Thus, this work aims to improve its application to structural engineering by describing an integrated topology optimization approach involving continuum and discrete finite elements to design the lateral systems in structural braced frames for high-rise buildings. The approach is implemented using concurrent continuum finite elements and discrete beam/truss elements to simplify and improve the overall design process by creating optimal geometries for a given volume of material. For example, after an engineer develops a structural frame consisting of beams and columns sized for gravity loads, topology optimization on the continuum (e.g. quadrilateral) elements is used to create a conceptual design for the braces of the lateral system resulting in highly efficient structures. Several practical examples are demonstrated to show the importance and relevance of this work to the structural design industry.
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© 2012 American Society of Civil Engineers.
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Published online: Jul 11, 2012
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Lauren Stromberg
Newmark Laboratory, Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, 61801
Alessandro Beghini
Skidmore, Owings & Merrill, LLP, 224 S. Michigan Avenue, Chicago, IL 60604
William F. Baker
Skidmore, Owings & Merrill, LLP, 224 S. Michigan Avenue, Chicago, IL 60604
Newmark Laboratory, Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, 61801. E-mail: [email protected]
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.