July/August 2021 - 3

CONTENTS FEATURES
Departments
PRESIDENT'S MESSAGE
Resuming Pre-Pandemic Activities . . 7
EXECUTIVE DIRECTOR UPDATE
Educational Trust:
Making an Impact . . . . . . . . . . . . . . . . . . . 9
DFI ACTIVITIES
Outstanding Project Award winner
announced; new Traveling Lecturer;
recap of Deep Mixing, IFCEE 2021 and
SuperPile '21; upcoming event
updates, including S3: Slopes, Slides
and Stabilization and DFI's 46th
Annual Conference in Vegas; new DFI
podcast series and more . . . . . . . . . . . . 25
REGIONAL REPORT
DFI Middle East. . . . . . . . . . . . . . . . . . . . . 63
EDUCATIONAL TRUST REPORT
Message from the chair, upcoming golf
fundraisers and 2021 Trust events . . 67
TECHNICAL ACTIVITIES UPDATE
New co-chair for the DFI-ADSC Joint
Micropile Committee, technical
committee and working group meeting
schedule for DFI46, and updates from
the Helical Piles and Tiebacks Committee
and Augered-Cast-In-Place and Drilled
Displacement Pile Committee . . . . . . . 69
MEMBER PROFILE
Walter Paniagua Combines the Best of
Several Worlds . . . . . . . . . . . . . . . . . 73
LEGALLY SPEAKING
Coronavirus-Related Guidance for
Employers With Return to Physical
Workplaces . . . . . . . . . . . . . . . . . . . . . . . 105
DFI PEOPLE AND COMPANIES
News about people, companies and
products . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
CALENDAR & AD INDEX. . . . . . . . . . 114
101 De-Tensionable Anchors for Lock and
Dam Load Increases
Jeff Hopple, P.E., and James Gagliardi, P.E.
DEEP FOUNDATIONS * JULY/AUG 2021 * 3
Charles A. Luxford, P.E., S.E., and Eric S. Lindquist, Ph.D., P.E.
16 Complex Retention System for Texas Capitol
COVER STORY
Adding new buildings, underground parking and a pedestrian mall to the Texas
Capitol Complex in Austin required an extensive earth retention system and deep
excavation. Revit models were involved to coordinate the retention system of soil
nails, soldier piling with tiebacks and rock anchors with other construction
elements. Challenges included rerouting many utilities on a temporary structure
over the excavation, and addressing a geological feature whose primary fault plane
was in a much more adverse location and orientation than originally anticipated,
leading to a significant, mid-construction design change.
77 Dam Rehabilitation With Cutoff Wall for
Seepage Control
Christopher Burke, Ph.D., P.E., Mark Lukasik, P.E., and
George Murphy, P.E., P.G.
85 Pile Driving Through Variable Conditions
at Vermont Bridge
Dan Howey, P.E., Theodore von Rosenvinge, P.E., D.GE, and
Tom French, P.E.
93 Foundation Reuse at Historic London
Buildings
Hilary Shields and Jo Sainsbury

July/August 2021

Table of Contents for the Digital Edition of July/August 2021

July/August 2021 - Intro
July/August 2021 - 1
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https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/march-april-2023
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/january-february-2023
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/november-december-2022
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/september-october-2022
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/july-august-2022
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/may-june-2022
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/march-april-2022
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/january-february-2022
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https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/november-december-2020
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/September-October-2020
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/may-june-2020
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/march-april-2020
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/january-february-2020
https://www.nxtbook.com/dfi/DEEP-FOUNDATIONS/july-august-2020
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