2026 GRIP Conference
2026 GRIP Meeting
Meeting Information
The 2026 Geotechnical Research in Progress (GRIP) meeting will be presented as an in-person session at the FDOT State Materials Office with researchers and some participants. There will also be several remote sites at the district materials offices to attend in person as a group. The seats at the in-person sites will be limited through the registration process (first come first serve). All others may participate through the Microsoft TEAMS Webinar. PDH credits for each presentation will only be offered to individuals that attend in person at the in-person sites. To be eligible for the credits, individuals must remain for the entire presentation, including any question-and-answer session following the presentation. Certificates will be emailed to the registered email address.
FDOT – State Materials Office
Building C, Auditorium
5007 NE 39th Avenue, Gainesville, FL 32609
Maximum Number of Participants: 40
District 1/7 Materials Office
David Hubbard Conference Room
2730 State Road 60 West, Bartow, FL 33830
Maximum Number of Participants: 35
District 2 Materials Office
Materials Conference Room
1109 South Marion Avenue, Lake City, FL 32025
Maximum Number of Participants: 20
District 3 Materials Office
Materials Conference Room
1074 US-90, Chipley, FL 32428
Maximum Number of Participants: 40
District 4/6 Materials Office
D-4 MRO Auditorium
14200 West State Road 84, Davie, FL 33325
Maximum Number of Participants: 50
District 5 Materials Office
Blue Marlin Room
1650 N. Kepler Road, DeLand, FL 32724
Maximum Number of Participants: 24
Turnpike Materials Office
MP 263 Florida’s Turnpike, Operations Building 5317, Ocoee, FL 34761
Maximum Number of Participants: 16
You must register individually for each segment at the following links:
Register here - Thursday, August 13, 2026
Note: PDH credits are only offered for in-person participants.
Download Meeting Agenda (PDF-237 KB)
Agenda: August 13, 2026
| No. | Time | Title | Presenter(s) |
| 8:15 - 8:30 | Welcome | Rodrigo Herrera & Sasidhar Ayithi | |
| 1 | 8:30 - 9:00 | Residual Stresses in Florida Bored Piles | Dr. Mike Rodgers & Scott Wasman |
| 2 | 9:00 - 10:00 | Dr. Khiem Tran | |
| 3 | 10:00 - 10:15 | Synthesis of Effective Treatments to Address Settlement Beneath Bridge Approach Slabs | Dr. Amy Diekmann |
| 10:15 - 10:30 | Break | ||
| 4 | 10:30 - 11:30 | Validation and Update of the Sinkhole Index | Drs. Nick Chen & Ryan Shamet |
| 5 | 11:30 - 12:00 | Dr. Scott Wasman | |
| 12:00 - 1:00 | Lunch Break | ||
| 6 | 1:00 - 1:30 | Effects of Downdrag on Pile Performance, Phase II Pilot Study | Dr. Gray Mullins |
| 7 | 1:30 - 2:30 | ||
| 8 | 2:30 - 3:00 | Measuring Rebound and Evaluating Pile Resistance Using Ultra-High-Speed Photogrammetry | Dr. Luis Arboleda & Patrick Peng Sun |
| 3:00 - 3:15 | Break | ||
| 9 | 3:15 - 4:15 | Effect of Spacing on Axial Resistance of Augercast Pile Foundations | Drs. Luis Arboleda & Kevin Mackie |
| 10 | 4:15 - 4:45 | Development of Noise Attenuation Coefficients Due to Underwater Pile Driving During the Design Phase | Dr. Raphael Crowley |
| 11 | 4:45 - 5:15 | Dr. Mike Rodgers |
* Agenda is subject to change depending on each presenter's availability*