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The Khan Lecture Series honors Dr. Fazlur Rahman Khan’s legacy of excellence in structural engineering and architecture, and is organized by Dan. M. Frangopol, Fazlur Rahman Khan Endowed Chair of Structural Engineering and Architecture, Department of Civil and Environmental Engineering, ATLSS Center, Lehigh University...click here for more information
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Bruce Ellingwood
Distinguished Professor & the Raymond Allen Jones Chair, Civil Engineering & Environmental Engineering, Georgia Institute of Technology
April 17th, 2009, 4:10pm. Sinclair Laboratory Auditorium, Lehigh University
"Abnormal Loads and Progressive Collapse - Assessment and Mitigation of Risk"
A progressive (or disproportionate) collapse is one that initiates from a local structural failure and propagates, by a chain reaction mechanism, into a failure that involves a major portion of the structural system and is disproportionate to the local initiating damage. Such collapses can initiate as a result of extreme environmental or abnormal loads or design/construction errors. Public awareness of building safety issues has increased markedly in recent years as a result of well-publicized natural and man-made disasters.
The presentation summarizes design strategies to minimize the likelihood of progressive collapse, and prospects for the implementation of general provisions in national standards such as ASCE Standard 7, Minimum design loads for buildings and other structures.
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