Past Presentations

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Total Makeover of ASCE’s Code of Ethics

By Dr. Carlos Bertha by Professor of Philosophy at the US Air Force Academy (USAFA) and
Dr. Steven K. Starrett, Dean of Engineering and Engineering Technology at LeTourneau University

This is a recording of the presentation to the ASCE Seattle Section and Geotechnical Group on March 15, 2021.  ASCE’s Board of Directors approved a total makeover of the Code of Ethics in 2020. Dr. Carlos Bertha and Dr. Steve Starrett discussed what changed, why it changed, and what this means for the future of ASCE

Accommodating Ancient Landslide Movement with a Compressible Inclusion

By Tom Westover, PE, MBA, Senior Associate Engineer, Cornforth Consultants, Inc.

This is a recording of Mr. Westover’s presentation to the ASCE Seattle Section and Geotechnical Group on February 10, 2021.  The presentation discussed design and construction of a new water reservoir, located within an ancient landslide, for the Portland Water Bureau. The project included installation of a compressible inclusion to accommodate future landslide movement.

Sustainable Geotechnical Engineering for Highway and Transit Projects – A System Approach

By Stan Boyle, PhD, PE, D.GE, M.ASCE, Vice President, Shannon & Wilson, Inc.

This is a recording of Dr. Boyle’s presentation to the ASCE Seattle Section Sustainability Committee and Geotechnical Group on January 14, 2021.  The presentation included examples of sustainable geotechnical engineering applied in heavy civil highway and transit projects.

A Tale of Three Dams

By Scott Lindvall, VP and Senior Principal Geologist, Lettis Consultants International, Inc.

This is a recording of Mr. Lindvall’s presentation to the Seattle Geotechnical Group on November 19, 2020.  The presentation focuses on three dams (Tinemaha, North Haiwee, and South Haiwee) in the Owens Valley that are located on or adjaecent to active faults.

Recent Chilean Earthquakes: Lessons for the Geotechnical and Structural Engineering Practice

By Christian Ledezma, Phd, Pontificia Universidad Católica de Chile (PUC)

This is a recording of Professor Christian Ledezma’s presentation to the Seattle Geotechnical Group on October 1, 2020.  The presentation focuses on a few major past earthquakes of Chile and their impact on infrastructure from both geotechnical and structural perspectives.

Professor Ledezma is Head of the Structural and Geotechnical Engineering Department at Pontificia Universidad Católica de Chile (PUC). Professor Ledezma is also the vice-president of ACHISINA, Chile’s Association of Earthquake Engineering, and an active member in the discussion and elaboration of Chilean seismic codes.

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