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Geotechnical Lecture Series

Numerical Modeling to Support Total Design of Critical Infrastructure

Monday, October 30, 2017 4:30 PM - 5:30 PM

Presented by Kirk Ellison, PhD, senior engineer, Arup, San Francisco, California

ABSTRACT: Dr Ellison will discuss a “total design” approach that that has been used successfully on several peer reviewed performance-based seismic design projects worldwide in recent years. The approach combines geotechnical and structural engineering analysis into one finite element model that incorporates the soil domain, foundations, above and below-grade structures, and bedrock-propagating ground motions. The presentation will focus specifically on two case studies. The first case study is the Mariposa Pump Station which is being constructed adjacent to an existing wet weather transport/storage box. The “total design”approach was used to assess the structure-soilstructure-interaction effects between the two embedded structures. The second case study is the Mexico City Airport air traffic control tower for which the geotechnical performance was checked simultaneously with the structural demands in the above and below-grade structures.

BIOGRAPHY: Dr. Kirk Ellison is a senior engineer with Arup’s San Francisco office where he regularly performs seismic soil-structure interaction analysis for high profile projects such as the Transbay Transit Center in San Francisco and the Mexico City Airport. He is also the geotechnical lead for the 1,000 foot high Salesforce Tower and the 600 foot high Park Tower projects in San Francisco. Kirk received his M.S. Degree from Northwestern University in 2008 and his PhD from Cambridge University in 2012.


Kearney Hall (campus map)
311
Armin Stuedlein
armin.stuedlein at oregonstate.edu
Sch of Civil/Constr Engr
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