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The conference's main theme is Unsaturated Soils for All Environments, and will include typical topics in unsaturated soils, but also aspires to include special topics on the role of unsaturated mechanics in cold regions geotechnique, the role of unsaturated soils in managing the impacts of climate change, as well as practical application of unsaturated soil theory in geohazards, mining, and other fields.

Call for Abstracts

The Call for Abstracts is now open! Authors are invited to identify one or more of the following topics with their submission.


 Special Topics

  • Cold Regions

  • Unsaturated soil mechanics in mining

  • Climate change, including landslides, and /or behaviour following extreme events (floods and fires)

  • Case studies of unsaturated soils mechanics in practice*


Other Topics

  • Expansive soils

  • Tropical soils

  • Collapsible soils

  • Other problematic soils

  • Experimental advances

  • Field investigation

  • Micromechanics

  • Constitutive modelling

  • Numerical simulation

  • Energy geotechnics

  • AI / machine learning

  • Geoscience of frozen soils / permafrost

  • Geosynthetics

  • Earthquakes in unsaturated soils

  • Applications to Transportation Engineering

  • Evaporation / Desiccation and cracking

  • Other emerging topics in unsaturated soil mechanics


*Practitioners wishing to present a case study have an abstract only option. They will have a presentation slot, but do not have to submit a paper, if confidentiality or other issues prevent a written submission.


Final papers will be published with Springer conference series collection (accessible through many libraries and indexed in Web of Science and other citation databases) and the proceedings will be available pre-conference. We are also excited to announce that after the conference, select papers will be invited for submission to a Special Issue of the Journal Geotechnical and Geological Engineering.



The deadline to submit abstracts to PanAm UNSAT 2025 is April 24, 2024.

Key Dates (tentative, subject to change)

Call for Abstracts Opens

February 6, 2024

Paper Submission
Due Date

November 2024

Abstracts Due

April 24, 2024

Paper Acceptance Notification

January 2025

Abstract Acceptance Notification

July 2024

Final Paper Submission Deadline

February 2025

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