September/October 2023 - 123

A regular column showcasing successful
best practices for sustainable foundations
FOUNDATIONS FOR A SUSTAINABLE FUTURE
Increasing Design Alternatives
The Challenge
The construction industry is responsible
for 40% of the CO2 emissions worldwide.
The deep foundations industry accounts
for 20% of those emissions, so more efficient
design, reducing volumes of
concrete and steel for every project, is
crucial to installing more sustainable
pile foundations, retaining walls and soil
anchors.
The Solution
After extensive analysis, the software
developers of Belgium company
CloudPiling were able to create a design
software that integrates both the
vertical and horizontal behavior as well
as the structural design of a deep
foundation. This will allow the industry
to analyze a wide range of alternatives to
generate a cost effective, but above all,
sustainable design. By applying this
software to onshore windmill foundations,
the originally envisaged design
with a total of 25 Kelly piles (15.3 m [50 ft]
long and a diameter of 0.88 m [3 ft]) for
each of the three planned turbines could
be optimized.
The Benefits
Applying CloudPiling, the reinforcement
could initially be reduced by 23% (saving
116 kg [255 lb] of steel per pile), which in
turn allowed for a smaller pile diameter,
albeit slightly longer (15.9 m [52 ft]
instead of 15.3 m [50 ft]). In the end, the
total required amount of steel could be
reduced by 29% or 11,175 kg (24,600 lb),
while the concrete volume was reduced
by 28% or 202 m3 (7,100 cu ft).
Apart from the savings in material
cost and construction efforts, the total
carbon emissions in terms of greenhouse
gas CO2 equivalents was reduced
by some 76 t CO2e.
76 metric tons of carbon dioxide (CO2) is equivalent to
greenhouse gas emissions from 16.9 gasoline-powered
passenger vehicles driven for one year
8,552
The saved emissions is equivalent to:
gallons of gasoline consumed
85,132
9.6
0.419
3,491
0.0002
7,466
1
14.8
176
pounds of coal burned
homes' energy use for one year
railcars' worth of coal burned
propane cylinders used for home
barbeques
natural gas-fired power plants in one
year
gallons of diesel consumed
tanker trucks' worth of gasoline
homes' electricity use for one year
barrels of oil consumed
9,244,841 number of smartphones charged
Example of the output of the integrated analysis of vertical and horizontal pile behavior
AUTHORS Michelle Vanhove and Thomas Zwaenepoel, CloudPiling
DEEP FOUNDATIONS * SEPT/OCT 2023 * 123

September/October 2023

Table of Contents for the Digital Edition of September/October 2023

TOC
September/October 2023 - Intro
September/October 2023 - 1
September/October 2023 - 2
September/October 2023 - TOC
September/October 2023 - 4
September/October 2023 - 5
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