The theme of the 25th Symposium was Ground Improvement.  The attendance was 185 people, representing 49 companies and universities, with 14 exhibitors, and 8 sponsors.  The Symposium program, keynote presentations and submitted papers are below.

25th Vancouver Geotechnical Society Symposium Program

Selection, Design and Specification of Ground Modification for Mitigation of Earthquake-Induced Liquefaction & A Briefing of Observed Earthquake Performance; Keynote Presentation by Dr. Juan Baez of Advanced Geosolutions Inc., Lake Forest, CA

Underground Stabilization Using Paste Technology – A Gold(en) Case Study; Sue Longo, Rob Bradley, Janis Drozdiak, Golder Associates

Geotechnical Challenges for a Mixed-Used Development at Gibsons, B.C.; Karim Karimzadegan, Nima Tafazzoli, Takahiro Shozen, Horizon Engineering

Case Study of 13 m High preload in Southwest Calgary, Alberta; Muhammed Al-Kustaban and Kai-Sing Hui, exp Services Inc.; Steven Saye, Kiewit Engineering Group Inc.

Hybrid Steel Sheet Pile Cofferdam with Soil-Cement Improved Ground for the Westridge Marine Terminal Bulkhead; Hollie Ellis, William Perkins, and Gerard Buechel, Shannon & Wilson Inc.; Henrik Kristiansen, Kiewit Infrastructure Engineers

George Massey Tunnel Pile Load Test Program; David Siddle, Golder Associates

Probabilistic Approach to Design of Seismic Upgrade to Withstand both Crustal and Subduction Earthquake Sources; Guoxi Wu, BC Hydro Engineering (presentation)

Use of Earthquake Drains for Liquefaction Mitigation at an Anchored Sheet Pile Wall System: Seismic Soil-Structure Interaction Analysis; Viet Tran, Stantec Consulting Ltd.

Ground Improvement Design and Construction for Seattle’s Elliot Bay Seawall Replacement and Retrofit; William J. Perkins, Shannon & Wilson; Andrew Malinak, Hayward Baker Inc.

Annacis Is. and Northwest Langley Wastewater Treatment Plant Ground Improvement; Andrew Port and Steven Ahlfield, Klohn Crippen Berger

Panel Discussion - Moderated by Dr. Yahya Nazhat, Instructor at the University of British Columbia, featuring panelists Juan Baez, Bill Perkins, and Andrew Port