July/August 2023 - 3

CONTENTS FEATURES
Departments
PRESIDENT'S MESSAGE
A Major Challenge for Our Industry . 7
EXECUTIVE DIRECTOR UPDATE
Sharing Knowledge.. . . . . . . . . . . . . . . . . . 9
DFI ACTIVITIES
Outstanding Project Award winner;
recap on SuperPile '23; updates on
upcoming events; and news about
podcasts, the DFI Journal and more. . . 25
REGIONAL REPORT
DFI India. . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
EDUCATIONAL TRUST REPORT
A message from the chair, annual
report available, announcing a new
fund and updates on upcoming
fundraisers . . . . . . . . . . . . . . . . . . . . . . . . . 59
TECHNICAL ACTIVITIES UPDATE
A message from the director and
reports from Helical Piles and
Tiebacks, Soil Mixing, Driven Pile,
Electric Power Systems Foundations,
and Testing and Evaluation
committees . . . . . . . . . . . . . . . . . . . . . . . . . 65
MEMBER PROFILE
For Ann Beaver Walters, a Career in
Geotechnical Engineering was Natural
but Not Immediate. . . . . . . . . . . . . . . . . . 73
FOUNDATIONS FOR A SUSTAINABLE
FUTURE
Root-Inspired Ground Anchors. . . . . 109
RISK CORNER
Assessing Risks for Deep Foundation
Contractors in Design-Build
Projects . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
LEGALLY SPEAKING
Proposed Rule Would Expand Wage
Coverage . . . . . . . . . . . . . . . . . . . . . . . . . . 115
products . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
DFI PEOPLE AND COMPANIES
CALENDAR & AD INDEX. . . . . . . . . . 122
News about people, companies and
79 An Active Soil Nail Wall Underpinning
Solution for the Bruce Museum
Jonathan Ernst, P.E., and Les Chernauskas, P.E., Geosciences
Testing and Research
89 Unique Anchor Pile SOE System
Andrew Stauble, P.E., GEODesign
COVER STORY
14 Structural Aspects of the Stabilization of Ten Mile Slide
Adrian Gygax, P.Eng., Gygax Engineering Associates, Rod Kostaschuk, P.Eng., BGC
Engineering, and Sarah Gaib, P.Eng., Ministry of Transportation and Infrastructure
A landslide first detected in 1988 along Highway 99 is estimated to have regressed
more than 250 m (800 ft) upslope in the last 40 years, making this section one of
the most expensive and challenging for the British Columbia Ministry of Transportation
and Infrastructure to maintain. A successful stabilization program significantly
reduced operating costs, and its innovative solution, including design and
monitoring, is being considered for other landslide sites in the province.
95 Shoring Up D.C.'s Historical Foundations:
Collection 14
Alan Quiroga and J. Andrew Steele, Steele Foundation
103 Improving Soil Stability of Flood Control
Culverts Under Amtrak Rails
Chris Hamilton, DLVEWS (formerly with Avanti), and Jessica
Williams, Avanti
DEEP FOUNDATIONS * JULY/AUG 2023 * 3

July/August 2023

Table of Contents for the Digital Edition of July/August 2023

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July/August 2023 - Intro
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