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TRB Webinar: Foundations in Shrink Swell Soil—Innovation and State of Practice

March 12, 2024

11:00 AM - 12:30 PM (EDT)

Past

Topics

Shrink swell soil causes significant pressure on foundations, roads, and other infrastructure, with a high expansion volume when wet and high shrinkage when dry. TRB hosted a webinar on Tuesday, March 12, 2024 from 11:00 AM to 12:30 PM Eastern that shared innovative findings and the state of practice for foundations in shrink swell soil. Presenters shared research findings on the uplift of drilled shafts and pressure on retaining walls due to these soils. Presenters also discussed the pile load transfer mechanism in unsaturated shrink swell soil and practical aspects of deep foundation design.

This webinar was sponsored by TRB’s Standing Technical Committee on Foundations of Bridges and Other Structures.

The slides are linked in the meeting materials. View the recorded webinar below.

Webinar agenda and presenters

  1. Uplift on drilled shaft in shrink-swell soils – Jean Louis Briaud, Texas A&M University

  2. Deep foundation design practice – Shailendra Endley, Intertek-PSI

  3. Pile load transfer mechanism in unsaturated shrink swell soils – Sai Vanapalli, University of Ottawa

  4. Question and answer session moderated by Sharid Amiri, California Department of Transportation

The first 60 minutes of the webinar were for presentations and the final 30 minutes were reserved for audience questions.

Learning Objectives

At the end of this webinar, participants can:

  1. Clarify the nature of uplift loading on drilled shafts

  2. Understand the pile load transfer mechanism in unsaturated shrink swell soil

  3. Use deep foundation design in shrink swell soil

Professional Development Hours

This webinar was delivered as a scheduled – e-learning live event and is categorized within RCEP as Technical, Health and Safety.

Professional Development Hours (PDHs) earned on completion of this program were reported to the Registered Continuing Education Program (RCEP). Certificates of Completion are issued to all participants via the RCEP.net online system. Complaints about registered providers may be addressed to RCEP, 1015 15th Street, NW, 8th Fl., Washington, DC, 20005.

Disclaimer

It is essential to the National Academies mission of providing evidence-based advice that participants in any of our meetings or events avoid political or partisan statements or commentary and maintain a culture of mutual respect. The statements and presentations during our meetings or events are solely those of the individual participants and do not necessarily represent the views of other participants or the National Academy of Sciences, which is a non-partisan, tax exempt organization that includes under its Charter the National Academy of Engineering and National Academy of Medicine, and that operates the National Research Council.

Organizers

Major units and sub-units

Transportation Research Board

Primary

Technical Activities Division

Primary

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