Relearning How to Look at Piezometric Data for Seepage Evaluation

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This webinar will start with the most basic seepage concepts and finalize on actual evaluation of piezometric data for earth dams and levees. Simple basic seepage ideas using high graphic illustrations will be the means to teach all concepts in this webinar. Also, numerous difficult concepts will be fully explained using high graphic simple illustrations. For example, course will also provide unique insight into how seepage changes with simple geologic layer variations. A procedure for evaluating time based piezometric data versus reservoir data will be presented and it represents the only comprehensive method - the conventional procedure is to plot the data and then just look at it. This course also provides concepts for observing the potential for backward erosion using actual piezometric data. New procedures and standards for data presentation of field based piezometric data versus reservoir level will also be shown.

Five Takeways:

Deep understanding of the most basic seepage concepts which are not taught at universities or short workshops.
Deep understanding of the most basic seepage concepts which are not taught at universities or short workshops.
This is the only procedure for evaluation of field measured piezometric data versus reservoir level trends.
The backward erosion process can potentially be observed using time based piezometric data assessment.
Provides best practice methods for graphical presentation of piezometric data.

Richard S. Olsen, Ph.D. P.E.

Geotechnical Consultant

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Dr. Olsen is an expert in evaluating CPT data, seepage failure for dams (and levees), and rapid field assessment of large landslides.

He has been a private geotechnical consultant for four years since his retirement from the U.S. Army Corps of Engineers (USACE) Headquarters (HQ). At the beginning of his career, he worked at FUGRO, HLA, and Dames & Moore. He was also a senior research geotechnical engineer at USACE ERDC Geotechnical and Structures Laboratory for thirty years. While at USACE HQ, he was the National Senior Policy Advisor and a technical lead for geotechnical engineering.

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