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Architectural Engineering program, The University of Texas at Austin

Structural Seminar opportunity: Thurs 4-5 pm

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Date: Thursday September 25
Time: 4 to 5pm
Location: Ferguson Laboratory – Building 177 Classroom

Speaker: Swaminathan Krishnan, Ph.D., P.E., S.E.
California Institute of Technology

Title: Mechanics of Tall Building Collapse Under Earthquake Excitation

Abstract: This seminar will examine the nature of collapse of one class of tall buildings (steel moment frame buildings) under earthquake excitation. Using a parametric analysis of a couple of index buildings subjected to idealized ground motion histories, the ground motion features that cause collapse in these structures is established. Systematically mapping damage localization patterns allows tracking of the evolution of the collapse mechanism. It is then possible to demonstrate the existence of a select few preferred mechanisms of collapse in these buildings and describe the associated physics using wave propagation through a shear beam. Finally, a simple theory based on energy principles that can identify these mechanisms is presented.

All are welcome to attend this seminar.

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Written by Gregory Brooks

September 21, 2014 at 5:01 pm

Posted in Uncategorized

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