In this episode of Interviews with the Industry, host Tim Siegel, P.E., G.E., BC.GE, of Dan Brown and Associates, and guest Anne Lemnitzer, Ph.D., University of California, Irvine, complete their deep dive into piles — what every geotechnical engineer needs to know about lateral analysis of piles, p-y curves, shear spikes at the rock surface and (covered in this part) the rate of advancement of the displacement tool, as well as Anne's summary of the main points of the discussion.

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On behalf of DFI, we hope you enjoy this presentation.
The views, information or opinions expressed during Deep Foundations Institute’s
podcasts are solely those of the individuals involved and do not necessarily
represent those of DFI, the board of trustees, members or employees.
DFI is not responsible for and does not verify the accuracy
of any information contained.
Nor does it warrant that the information contained herein
is suitable for any general or specific use.
The podcast is available for private, non-commercial use only.
Editing, modification or redistribution of this podcast is prohibited.

In this episode of Interviews with the Industry. Host Tim Siegel, P.E., G.E., BC.GE, of Dan Brown and Associates, and guest Anne Lemnitzer, Ph.D., University of California, Irvine, take a deep dive into piles — what every geotechnical engineer needs to know about lateral analysis of piles, p-y curves and shear spikes at the rock surface. Lemnitzer is also co-editor in chief of the DFI Journal, vice president of DFI Europe and a former DFI trustee.

Series Sponsor Bauer Equipment America
(https://www.bauer-equipment.com/en)

Content of this video
0:00 Welcome
1:25 Anne Lemnitzer's Intro
04:00 Laterally Loaded Piles
12:20 P-Y vs Numerical Model
18:24 Geotechnical Reports Profiling 10+ Layers
26:32 Rock Socketed Piles
33:56 Shear Spike
37:05 Close Part 1

On behalf of DFI, we hope you enjoy this presentation.
The views, information or opinions expressed during Deep Foundations Institute’s
podcasts are solely those of the individuals involved and do not necessarily
represent those of DFI, the board of trustees, members or employees.
DFI is not responsible for and does not verify the accuracy
of any information contained.
Nor does it warrant that the information contained herein
is suitable for any general or specific use.
The podcast is available for private, non-commercial use only.
Editing, modification or redistribution of this podcast is prohibited.

Welcome to Interviews with the Industry, DFI’s current affairs podcast, bringing you up-to-date industry news and insights.

In this first episode of 2025 join Sebastian Lobo-Guerrero as he travels through:
Miami FL to explore bi-directional testing.
York PA, where he explores Driven Piles in Karst.
Then, through 2 locations in Colombia, Bogotá and Medellín where explores load testing.

Series Sponsor Bauer Equipment America
(https://www.bauer-equipment.com/en)

Contents of this Video:
0:00 Welcome
2:48 Miami FL
6:26 York PA
10:56 Bogotá COL
13:25 Medellín COL