Retaining Wall Report, Lecture notes of Soil Mechanics and Foundations

Description of what is Retaining Wall Report and how it is designed.

Typology: Lecture notes

2022/2023

Uploaded on 12/16/2023

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RETAINING WALL
When a desired change in ground elevation occurs that is greater than the
angle of repose of the soil, retaining walls are built to withstand the lateral pressure
of the soil. A retaining wall's foundation is an essential part that guarantees the
structure's efficacy and stability. Retaining walls can be built using a variety of
foundation types, including deep foundations like piles or drilled piers and shallow
foundations like spread footings. The decision is based on site-specific variables
such as wall height and soil conditions.
The foundation's design is influenced by the retaining wall's kind and
structure (gravity, cantilever, counterfort, anchored, etc.). Specific specifications
for each kind are determined by the intended use and site circumstances. In order
to avoid water accumulation behind the retaining wall, which can cause elevated
pressure and possibly instability, adequate drainage is crucial.
In geotechnical engineering, retaining walls are generally used to
strengthen soil, raise its bearing capacity, and strengthen the soil's resistance to
differential settlement. They are intended to level off sloping terrain, offer more
stability to naturally occurring slopes, and construct terraces for infrastructure.
Retaining walls are ultimately employed to optimize site area.
The construction of retaining walls can be done in a multitude of ways.
Reinforced soil slope walls, steel sheet pile walls, concrete modular units with
FIGUERAS, RONA JEAN L.
CE 510 โ€“ CE52S1
pf3
pf4

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RETAINING WALL

When a desired change in ground elevation occurs that is greater than the angle of repose of the soil, retaining walls are built to withstand the lateral pressure of the soil. A retaining wall's foundation is an essential part that guarantees the structure's efficacy and stability. Retaining walls can be built using a variety of foundation types, including deep foundations like piles or drilled piers and shallow foundations like spread footings. The decision is based on site-specific variables such as wall height and soil conditions. The foundation's design is influenced by the retaining wall's kind and structure (gravity, cantilever, counterfort, anchored, etc.). Specific specifications for each kind are determined by the intended use and site circumstances. In order to avoid water accumulation behind the retaining wall, which can cause elevated pressure and possibly instability, adequate drainage is crucial. In geotechnical engineering, retaining walls are generally used to strengthen soil, raise its bearing capacity, and strengthen the soil's resistance to differential settlement. They are intended to level off sloping terrain, offer more stability to naturally occurring slopes, and construct terraces for infrastructure. Retaining walls are ultimately employed to optimize site area. The construction of retaining walls can be done in a multitude of ways. Reinforced soil slope walls, steel sheet pile walls, concrete modular units with FIGUERAS, RONA JEAN L. CE 510 โ€“ CE52S

gravity walls, soldier pile and lagging walls, mechanically stabilized earth walls, and cast-in-place reinforced concrete walls are the most often utilized types, in general order of expense. SAMPLE PROBLEM: Draw the pressure diagram on the wall in an active pressure condition, and find the resultant Ftotal on the wall and its location with respect to the top of the wall.

The forces from each area: F 1 = (10โ€™) (0.83) = 8.30 kips/ft F 2 = ยฝ (10โ€™)(0.18) = 0.90 kips/ft F 3 = (10โ€™) (0.66) = 6.60 kips/ft F 4 = ยฝ (10โ€™)(0.13) = 0.65 kips/ft F 5 = ยฝ (1.25) (20โ€™) = 12.5 kips/ft Ftotal = 29.0 kips/ft The location of forces ๐‘ฆฬ‚ is at ๐‘ฆฬ‚ = 0. 66 ๐‘˜๐‘ ๐‘“ The stress at point c is ๐’šฬ‚ = ๐Ÿ๐Ÿ. ๐Ÿ ๐’‡๐’†๐’†๐’• ๐’‡๐’“๐’๐’Ž ๐’•๐’๐’‘ ๐’๐’‡ ๐’˜๐’‚๐’๐’