Dr. Bengt H. Fellenius to Present 2022 Stanley D. Wilson Memorial Lecture 

After a two year hiatius, Shannon & Wilson and the University of Washington's Department of Civil and Environmental Engineering are pleased to announce the return of the annual Stanley D. Wilson Memorial Lecture. 

This year's lecturer, Bengt H. Fellenius, Dr. Tech., P. Eng., will present "Recent and Ongoing Advances in Analysis and Design of Wide Pile Groups in Subsiding Ground,” on Thursday, March 31, 2022 at 5:30 PM in the University of Washington's UW Tower auditorium. The presentation will last approximately one hour. Reception to immediately follow in the Tower's Cafeteria South.

This event is free to the public. Please RSVP by March 23 to rsvpsea@shanwil.com or (206) 695-6943.

Directions and parking information can be found here.

The Stanley D. Wilson Memorial Lecture was established in 1989 to foster and maintain the spirit of thoughtful and practical engineering solutions.
 

ABOUT THE PRESENTATION 

The design and analysis of wide pile group foundations is neither well supported by case records nor addressed in current standards and codes. The response of perimeter piles to soil subsidence is similar to that of a single pile, whereas an interior is only marginally affected by shaft resistance. Moreover, in contrast to popular belief, raft contact stress does not contribute to the bearing of a pile group.

In his presentation, “Recent and Ongoing Advances in Analysis and Design of Wide Pile Groups in Subsiding Ground,” Dr. Fellenius will detail the difference in response to load and general subsidence between perimeter and interior piles. The lecture contends that analysis and design methods of pile groups rely on strain compatibility between piles and soil just like between reinforcement and concrete and shows how this principle is applied to pile group design.

Dr. Fellenius was Professor of Civil Engineering at the University of Ottawa for 20 years. He has over 60 years of consulting engineering experience with foundation design for industrial plants, highway projects, and marine structures as well as special investigations and instrumented field tests. He is an internationally active foundation engineering consultant and the author of some 400 technical papers addressing piled foundations, soil improvement, foundation settlement and in-situ sounding.
 

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