Updated: Aug 23
Retaining walls are structures used to provide stability for earth or other materials where conditions and are commonly used to hold back soil banks. The structural engineering design of retaining walls varies across Australia.
Types of retaining walls
Gravity structures - limestone retaining walls
The gravity wall depends upon its weight to retaining soil. Limestone retaining walls are a type of gravity walls commonly used in the Perth Region.
A cantilever retaining wall often is often constructed using reinforced concrete and utilises cantilever action to retain the mass behind the wall from assuming a natural slope. Stability of this type of retaining wall is achieved from the weight of the soil on the heel portion of the base slab. Concrete block retaining walls are commonly used in the Sydney Area.
The design and construction of retaining walls will depend on the application, site classification and budget.
Panel and post retaining wall
Also know as concrete sleeper retainer walls, usually consist of steel beams cast into a concrete footings. The retaining is achieved with concrete panels inserted between reinforced concrete post or galvanised I beams. This type of retaining wall is easy and quick to install in sand sites. Also this type of retaining wall isn't recommend within 1km from the ocean and to ensure durability is it critical that the steel I-beams are galvanised.
Structural Engineering Process
At Engineering Plans Australia, we have made the structural engineering and certification process easy by standardising the engineering details for a wide range of retaining wall for Australian conditions. Our online store contains standard engineering details that can be purchased in minutes. With every new project, we have a quality assurance process in place to ensure that the standard engineering detail is suitable for the particular location and wind loading.
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