Overview of the Seismic Design and Behavior of Steel Braced Frames
This presentation provides an overview of the design and expected seismic behavior of steel braced frames. Brace frames are a practical and economical system for resisting lateral loads that provide considerable strength and stiffness with less structural weight and material than other systems. Braced frames initially appear to be a very simple structural system, but their behavior is quite complex and there are many additional design requirements needed to achieve the desired structural performance. The presentation summarizes the many options for braced frame design. The expected behavior of each design option are presented. An overview of design requirements needed to achieve this target behavior are presented. The requirements are based upon ASCE 7-16 and AISC Standards 360-16 and 341-16, but some discussion is provided for upcoming changes to these provisions. The discussion includes some perspective of the historical development of the various options are included since this leads to insight of retrofit and rehabilitation requirements for existing systems.
Charles Roeder is Professor Emeritus of Civil Engineering at the University of Washington. He has BSCE from the University of Colorado, an MSCE from University of Illinois, Urbana-Champaign, and a PhD from the University of California, Berkeley. He has structural engineering at the University of Washington for 42 years, with emphasis on steel design and earthquake engineering. He has performed a wide range of research on steel braced frames and other steel and composite structural systems. He is a member of AISC standards committees TC7 and TC9.
|Description: Extra||DVD with PDF handout
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|Speakers||Charles Roeder, Ph.D.|