Annual Geotechnical Engineering Conference

69th Annual Geotechnical Engineering Conference

This is the 69th offering of the University of Minnesota Geotechnical Engineering Conference. The Planning Committee, whose members represent the contracting industry, government agencies, the University, and consulting engineers, has developed a program offering technical information and discussion on current topics for the geotechnical engineering community. Civil engineers, architects, planners, contractors, and geologists with an interest in geotechnical engineering will benefit by attending this conference.

Conference Details


Thursday, May 20, 2021

Remote via Zoom Webinar

Sponsored by:

Department of Civil, Environmental, Geo- Engineering, University of Minnesota

Minnesota Geotechnical Society - A Geo-Institute Chapter

Geo-Institute of ASCE


Thursday, May 20, 2021

8:45 am CDT


Bryan Field, Braun Intertec

Conference Chair

8:50 am

Kersten Lecture

Advances in Evaluation of Flow Liquefaction and Liquefied Strength Using the Cone Penetration Test

Peter K. Robertson, Ph.D.

Geotechnical Consultant and Gregg Drilling LLC

9:40 am

Ultimate Bearing Capacity of Footings on Soft Clay Stabilized with a Granular Trench

Mohammad M. Yamin, Ph.D., P.E.

Department of Mechanical & Civil Engineering

Minnesota State University, Mankato

10:20 am



Yeager Airport Reinforced Slope Failure 2D/3D Stability and Stress-Deformation Analysis

James G. Collin, Ph.D., P.E., D.GE, F.ASCE

President, The Collin Group

Bethesda, Maryland

11:15 am

The Incremental Rigidity Model - More-Direct Conversion of Strains to Internal Forces in Static Loading Test

Van E. Komurka, P.E., D.GE, F.ASCE

Senior Engineer, GRL Engineers, Inc.

Cleveland, Ohio

11:55 am


1:00 pm

Geo-Institute Update

James G. Collin, President Geo-Institute

1:05 pm

Our Slopes are Moving: Understanding Landslide Activity Using Airborne Lidar

Scott A. Anderson, Ph.D., P.E.

Principal Geotechnical Engineer, BGC Engineering, Inc.

Golden, Colorado

1:35 pm

Alternative Delivery Panel Discussion: Owner, Contractor, Consultant

Derrick Dasenbrock, P.E., D.GE, P.ASCE (Owner)

Geotechnical Engineer, Federal Highway Administration

Washington, DC

Roch Player, P.E., PMP (Contractor)

Chief Engineer, GeoStabilization International

Commerce City, Colorado

Scott Mackiewicz, Ph.D., P.E., D.GE (Consultant)

Vice President, Braun Intertec Corporation

Minneapolis, Minnesota




Case History

Session 1

Evaluation and Mitigation of the Mandaree, North Dakota, Rural Water Intake Landslide

Charles D. Hubbard, P.E., P.G.

Braun Intertec Corporation

Minneapolis, Minnesota


Case History

Session 2

New Construction-induced Downdrag Load Adjacent to Existing Bridge Piling

Joseph Nietfeld, P.E.

MnDOT Office of Materials

Maplewood, Minnesota


Case History

Session 3

I35W/Minnesota River Bridge Embankment Widening near Historic Landslide

Katherine E. Zadrozny, P.E.

Geotechnical Engineer, American Engineering Testing, Inc.

Saint Paul, Minnesota



Short Course

Wednesday, May 19, 2021 (*NEW TIME*)

9:00 am - 1:00 pm, Zoom Meeting

Advanced CPT Applications


Brief overview of CPT development - equipment and data acquisition (CPeT-IT and CLiq). Examples of CPT applications.


Peter K. Robertson, Ph.D.

PK Robertson, INc.

Signal Hill, California

Course Registration:

The fee for the short course is $80 with conference registration, or else $120 without conference registration. Participants earn 4.0 PDH for the short course. Registration must be received by April 30, 2021 and the course is limited to 100 people. Login details will be sent by e-mail message one week before the short course. The university reserves the right to cancel the short courses, in which case a full refund would be made.


Planning Committee

(Names are linked to the committee member's email address where available.)

Chris Behling, US Army Corps of Engineers

Joe Bentler, American Engineering Testing

Ryan Berg, Ryan R. Berg & Associates

Aaron Budge, MN State University, Mankato

Ivan Contreras, Barr Engineering Co.

Chris DeDene, City of Minneapolis

Ron Farmer, Short Elliot Hendrickson, Inc.

Bryan Field, Braun Intertec

Steve Gale, Gale-Tec Engineering

Mike Haggerty, Barr Engineering Co.

Megan Hoppe, American Engineering Testing

Nate Iverson, Veit

Joe Labuz, University of Minnesota

Rich Lamb, MnDOT

Brett Larsen, Short Elliot Hendrickson, Inc.

Dan Mahrt, Braun Intertec

Steve Olson, HDR Engineering Inc.

Ryan Petersen, Itasca Consulting Group, Inc.

Greg Reuter, American Engineering Testing

Dave Saftner, UMN, Duluth

Brian Sanchez, Atlas Foundation

Joel Swenson, Barr Engineering

Brent Theroux, Barr Engineering

Joe Westphal, Braun Intertec


The early registration fee for the conference is $110; after April 30, 2021, it is $140. The fee includes tuition and proceedings, which will be mailed to the address provided in the registration. A refund, less a $25 cancellation fee, will be made if cancellation is received by May 13, 2021. A limit number of registrations are available at a reduced registration fee of $55 for retired engineers and $20 for students (no proceedings); registration requests must be received by April 30, 2021. The University reserves the right to cancel the conference, in which case a full refund would be made.

Professional Development Hours

Participants can earn 6.0 PDH for full-day attendance.

For Further Information

Contact us via email at


Registration is available online at

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