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On-Demand Webinars

What it is, Why it's a problem, and What to do about it

In northern climates frost heave is an omnipresent destructive force that costs millions of dollars in repairs to roads, buildings, and other structures every year.

Frost heave is a form of frost action, a physical weathering process involving the cyclic freezing and thawing of water in soil or rock. Heave in this context refers to the upward movement of the ground surface that occurs in response to the seasonal formation of ice in the underlying soil.

The dynamics of this ostensibly simple process are exceedingly complex; yet despite its intricacies, the incidence of frost heave is dependent on just three things: besides freezing temperatures, it only requires the right kind of soil and an abundant, readily available water supply. Successful mitigation of the detrimental effects of frost heave requires an understanding of how these factors influence the mechanisms that control the formation and behavior of ice in the shallow subsurface.

In this webinar we will:

  • Discuss the causes of frost heave
  • Learn why it is generally at its worst in spring
  • Examine the results of frost heave on transportation networks, buildings, and other man-made structures
  • Explore preventive measures to eliminate or minimize damage caused by frost heave
  • Look at the effects of frost heave on the landscape

Average depths of seasonally frozen ground in the United States Credit: Neil Davis

Instructors Bio

Lorraine A. Manz, PhD, ARCS

Dr. Manz is a geologist with the North Dakota Geological Survey (NDGS) where, since October 2001, she has devoted most of her time to the mapping and study of the state's Quaternary glacial geology. She is also the principal administrator of North Dakota's geothermal regulatory program and co-editor of GEO NEWS, the survey's biannual newsletter. As an NDGS employee, Dr. Manz has authored more than 100 maps, publications, and articles on North Dakota geology.

Dr. Manz has an M.S. in geology from Ohio University. She also has a bachelor's degree and a doctorate in chemistry from Imperial College and the University of London in the United Kingdom.

Fee: 299.00 USD Per Webinar

Downloads: Session Slides (PDF)
Additional Materials
  • Reference List

  • Reference (USBR REC.ERC.82.17)

Record of Attendance Form (PDF)

Number of Participants: Unlimited from a single computer (Broadcast webinar in your conference room or auditorium for no extra charge)

Continuing Education Certificates: Unlimited. $14.95 each. Official CEU certificates are available as an option and only available at the time of webinar participation from Northern Illinois University. Ordering steps are given at time of webinar order.

Access: On-demand, anytime 24/7.
Access Duration: 24 hours.

Discounts: Buy 3 on-demand webinars, and get 3 on-demand webinars for free!

Duration: 90 minutes
PDH Earned: 1.5 hours
Instructor(s): Lorraine A. Manz, PhD, ARCS

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