Texas Transportation Researcher, Volume 59, Number 1, 2023 Page: 4
15 p. : col. ill.View a full description of this periodical.
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PLANNING MAKES PERFECT -
Addressing Construction Issues
Be ore the Project Begins
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Highlighting the revised design (extended portion) of the retaining wall on TX 360 north of IH 30. This portion of the retaining wall was extende(
due to a change in the foundation design to mitigate a conflict with a utility duct bank.Noise walls and retaining walls
serve different purposes but
have similarities in terms of the
design and construction process.
However, construction of these
walls may face issues with utilities,
phases of construction, and
access. Manuals and design guides
mention these concerns but fail to
lay out applicable solutions.common sight on Texas roadways is noise walls and retaining
walls. Noise walls, or barriers, are helpful in keeping the sound
of a busy highway out of neighborhoods and business districts.
Retaining walls reduce the need for a sloped area at grade changes and
are used extensively for highway overpasses.
Noise walls and retaining walls serve different purposes but have similarities in
terms of the design and construction process. However, construction of these walls
may face issues with utilities, phases of construction, and access. Manuals and
design guides mention these concerns but fail to lay out applicable solutions.
Research from the Texas A&M Transportation Institute (TTI) and the Texas De-
partment of Transportation (TxDOT) aims to assist noise wall and retaining wall
constructability by resolving issues with sequencing and placement.
"The research started with discussions with TxDOT utility coordination staff at the
Dallas and San Antonio Districts," says Kris Harbin, TTI assistant research scien-
tist. "There were issues between utility relocations and noise wall placements being
set in the same area of the right of way."4
t 1.
d
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Texas A & M Transportation Institute. Texas Transportation Researcher, Volume 59, Number 1, 2023, periodical, 2023; College Station, Texas. (https://texashistory.unt.edu/ark:/67531/metapth1582390/m1/4/: accessed May 30, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.