Seismic and Lateral Loads

This committee focuses on the unique issues of seismic design and construction as well as related concerns of other lateral load issues that apply in marine applications, ice and permafrost regions.

Committee Chair

Jon Sinnreich, P.E.
GRL Engineers
 [email protected]

Jon Sinnreich earned a Bachelor’s Degree in Civil Engineering and a Master’s Degree in Structural Engineering at the University of Florida (UF), and previously worked for Fugro Loadtest. He has participated in hundreds of international bi-directional test projects and led R&D efforts on various technologies, including ultrasonic shaft profiling.  Sinnreich is a registered professional engineer in Florida and current chair of ASTM Subcommittee D18.23 (Field Instrumentation Subcommittee under D18 Soil and Rock). He is also active in DFI as an editorial board member for DFI Journal and serves on multiple technical committees.


What’s Shaking Webinar

DFI’s Seismic and Lateral Loads Committee hosted its inaugural What’s Shaking webinar on August 15, 2023. This webinar series is designed for researchers in the seismic and lateral load topic to present their latest findings.

Lateral Thinking

Segment at every committee meeting for an informal member presentation on an interesting project, case history or problem.

In progress.


DFI Seismic and Lateral Load Design and Testing Guidelines – discusses the background of different analytical and testing procedures and presents the recommended methods for analysis, design and testing of piles for lateral loads