Geosynthetics July/August 2024 - 32

Soil nails and shotcrete reinforcement for new roadway embankment
Solution
Earth Engineering completed the innovative
design of the MSE embankment,
which considered a three-phase
approach to allow for the compressible
in-situ soils to undergo consolidation
prior to the installation of the wall fascia,
mitigating any adverse effects of
uneven settlement.
MSE walls are constructed using facing
elements, granular fills and geosynthetic
reinforcement that consists of
layers of geotextile fabric placed between
layers of the compacted fill material.
Reinforcement often is connected to
the facing elements to increase stability,
with the completed system relying
on the self-weight of the reinforced soil
mass to resist lateral forces. Due to the
nature of how the structures are built,
MSE walls provide stability while being
flexible enough to accommodate differential
settlement.
The rigid fascia options commonly
FIGURE 2 Drilling soil nails from the MSE structure using an excavator mounted drill
specified as the permanent exterior facing
of MSE systems are not as forgiving
against moderate differential settlements
as the retained soil is. To mitigate unfavorable
aesthetics that can develop after
consolidation such as uneven course
lines, cracking due to the development
of isolated concentrated forces on individual
panels/blocks, or unfavorable
batter, Earth Engineering incorporated
a three-phase construction sequence to
construct the wire basket MSE wall system
up to 37.5 feet (11.4 m) tall, allow
for consolidation, finalize the upper
wall geometry and install a permanent
shotcrete facing supported by soil nails.
Wick drains also were implemented to
shorten the time of consolidation.
The combination of the geosynethically
reinforced soil structure with a soil
nail and shotcrete supported face would
ensure the performance of the walls while
managing the risks of building over unfavorable
soil.
32
Geosynthetics | Summer 2024

Geosynthetics July/August 2024

Table of Contents for the Digital Edition of Geosynthetics July/August 2024

Geosynthetics July/August 2024 - Cover1
Geosynthetics July/August 2024 - Cover2
Geosynthetics July/August 2024 - 1
Geosynthetics July/August 2024 - 2
Geosynthetics July/August 2024 - 3
Geosynthetics July/August 2024 - 4
Geosynthetics July/August 2024 - 5
Geosynthetics July/August 2024 - 6
Geosynthetics July/August 2024 - 7
Geosynthetics July/August 2024 - 8
Geosynthetics July/August 2024 - 9
Geosynthetics July/August 2024 - 10
Geosynthetics July/August 2024 - 11
Geosynthetics July/August 2024 - 12
Geosynthetics July/August 2024 - 13
Geosynthetics July/August 2024 - 14
Geosynthetics July/August 2024 - 15
Geosynthetics July/August 2024 - 16
Geosynthetics July/August 2024 - 17
Geosynthetics July/August 2024 - 18
Geosynthetics July/August 2024 - 19
Geosynthetics July/August 2024 - 20
Geosynthetics July/August 2024 - 21
Geosynthetics July/August 2024 - 22
Geosynthetics July/August 2024 - 23
Geosynthetics July/August 2024 - 24
Geosynthetics July/August 2024 - 25
Geosynthetics July/August 2024 - 26
Geosynthetics July/August 2024 - 27
Geosynthetics July/August 2024 - 28
Geosynthetics July/August 2024 - 29
Geosynthetics July/August 2024 - 30
Geosynthetics July/August 2024 - 31
Geosynthetics July/August 2024 - 32
Geosynthetics July/August 2024 - 33
Geosynthetics July/August 2024 - 34
Geosynthetics July/August 2024 - 35
Geosynthetics July/August 2024 - 36
Geosynthetics July/August 2024 - 37
Geosynthetics July/August 2024 - 38
Geosynthetics July/August 2024 - 39
Geosynthetics July/August 2024 - 40
Geosynthetics July/August 2024 - 41
Geosynthetics July/August 2024 - 42
Geosynthetics July/August 2024 - 43
Geosynthetics July/August 2024 - 44
Geosynthetics July/August 2024 - Cover3
Geosynthetics July/August 2024 - Cover4
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-october-november-2024
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-july-august-2024
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-case-studies-guide-2024
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-april-may-2024
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-february-march-2024
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-december-2023-january-2024
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-october-november-2023
https://www.nxtbook.com/ata/geosynthetics/geoysynthetics-august-september-2023
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-june-july-2023
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-april-may-2023
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-february-march-2023
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-december-2022-january-2023
https://www.nxtbook.com/ata/geosynthetics/geosynthetics-october-november-2022
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-august-september-2022
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-june-july-2022
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-april-may-2022
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-february-march-2022
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-december-2021-january-2022
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-october-november-2021
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-august-september-2021
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-june-july-2021
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-april-may-2021
https://www.nxtbook.com/ifai/geosynthetics/geosynthetics-february-march-2021
https://www.nxtbook.com/ifai/geosynthetics/1220GS
https://www.nxtbook.com/ifai/geosynthetics/1020GS
https://www.nxtbook.com/ifai/geosynthetics/0820GS
https://www.nxtbook.com/ifai/geosynthetics/0620GS
https://www.nxtbook.com/ifai/geosynthetics/0420GS
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https://www.nxtbook.com/ifai/geosynthetics/0819GS
https://www.nxtbook.com/ifai/geosynthetics/0619GS
https://www.nxtbook.com/ifai/geosynthetics/0419GS
https://www.nxtbook.com/ifai/geosynthetics/0219GS
https://www.nxtbook.com/ifai/geosynthetics/1218GS
https://www.nxtbook.com/ifai/geosynthetics/1018GS
https://www.nxtbook.com/ifai/geosynthetics/0818GS
https://www.nxtbook.com/ifai/geosynthetics/0618GS
https://www.nxtbook.com/ifai/geosynthetics/0418GS
https://www.nxtbook.com/ifai/geosynthetics/0218GS
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