DFI Magazine March/April 2020 - 49

DEEP FOUNDATIONS INSTITUTE

2019-2020

Upcoming Lectures
DFI Traveling Lecturer, Willie M. NeSmith, P.E., former chief
geotechnical engineer for Berkel & Company Contractors,
continues to present lectures to university students, professional
groups and industry associations.
Two lectures were held in February and two in March. NeSmith
is scheduled to present the following additional lectures in 2020:
May 19*: "Application of Cast-in-Place Piles in Intermediate
Geomaterials" at the Delaware Valley Geo-Institute dinner meeting,
Valley Forge Casino, King of Prussia, Pennsylvania
The presentation focuses on how the development of more
powerful and robust installation platforms has allowed installation
of cast-in-place piles into materials once considered too resistant
for the system. This lecture reviews current installation platforms
and tooling, and presents case histories for installation in soft
limestone, partially weathered rock, shale and glacial till.
June 25*: "Application
of Drilled Displacement
Elements for Liquification
Mitigation and Foundation
Improvement" for the San
Francisco Geo-Institute, San
Francisco, California
The presentation
examines the increase in
density in the vicinity of
drilled displacement piles
when they are installed in
materials that exhibit
granular behavior. The
increase is most pronounced
in loose-to-medium dense
materials and can serve to mitigate liquification and increase the
foundation response stiffness of the mass of the material
penetrated. Case histories highlight situations where ground
improvement elements were installed using drilled displacement
pile processes to mitigate liquefaction and increase allowable
foundation loading.
Visit 'Upcoming Events' at www.dfi.org for more information.
Lectures may be presented via webinar if recommendations in
connection with the COVID-19 outbreak continue to affect
group gatherings. See www.dfi.org and the respective hosting
organizations' websites for updates on the status of these
presentations.
DEEP FOUNDATIONS * MAR/APR 2020 * 49



DFI Magazine March/April 2020

Table of Contents for the Digital Edition of DFI Magazine March/April 2020

Contents
DFI Magazine March/April 2020 - Intro
DFI Magazine March/April 2020 - Cover1
DFI Magazine March/April 2020 - Cover2
DFI Magazine March/April 2020 - Contents
DFI Magazine March/April 2020 - 4
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DFI Magazine March/April 2020 - Cover4
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