Use of ground motion simulations in engineering practice

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Jack Baker, Stanford

Wednesday, February 6, 2019 at 10:30 AM

Building 3, Rambo Auditorium
Tom Hanks

Ground motion simulations hold promise for advancing seismic hazard analysis and dynamic
analysis of structural models—two distinct tasks in engineering practice. This talk will present
an overview of typical requirements for dynamic structural analysis, and typical procedures for
satisfying those requirements using recorded or simulated ground motions. Example
applications using recorded and simulated ground motions will be used to illustrate issues of
concern to engineers, and features needed for simulations to gain broad acceptance in
engineering practice. Practical aspects, including the availability of data and software tools, will
also be discussed. A notable aspect of this use of ground motions is that the hazard analysis and
resulting target response spectrum are developed separately, so choice of recorded or
simulated ground motions can be made separately from judgments as to whether empirical or
simulation-based methods are preferable for seismic hazard analysis.

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