Retaining walls are most necessary for people in one of the following situations: Your property sits on or at the bottom of a hill. Low-elevation properties are the number one candidate for retaining walls as they are more prone to soil erosion and to flooding.
What is the main function of retaining wall?
Soil management on sloped lots is the primary function of retaining walls. They present a barrier that prevents soil from shifting or sliding downslope, especially when there is heavy rain or lack of trees or other vegetation to hold soil in place.
Why are retaining walls constructed?
A retaining wall is a structure designed and constructed to resist the lateral pressure of soil, when there is a desired change in ground elevation that exceeds the angle of repose of the soil. … The walls must resist the lateral pressures generated by loose soils or, in some cases, water pressures.
What is retaining wall in construction?
A retaining wall is erected after excavation or filling an embankment to provide support, which prevents soil from eroding slowly or collapsing suddenly. These walls may be constructed from a variety of materials, including reinforced concrete, timber logs, concrete blocks, brick or stone.
What is the cheapest type of retaining wall?
The cheapest type of retaining wall is poured concrete. Prices start at $4.30 per square foot for poured concrete, $5.65 for interlocking concrete block, $6.15 for pressure-treated pine, and about $11 for stone. Installation or supplies, such as drainage stone or filter fabric, are not included.
What are the basic elements of retaining wall?
A typical retaining wall has four main components: the Stem is the vertical member holding the backfill, the Toe is the portion of the footing at the front of the wall, the Heel is the portion of the footing at the backfill side, and the Shear Key projects down under the footing.
Which retaining wall is best?
Concrete and Masonry Retaining Walls
Poured concrete is the strongest and most durable choice for retaining walls. It may also be carved and formed to look like mortared stone depending on your taste.
At what height do you need a retaining wall?
On average, most retaining walls are between 3 and 4 feet high. This is optimal because it doesn’t require any anchors, or expensive engineering methods, though in some cases the wall must be higher. Variables that affect the height of your retaining wall include: Extreme heights.
What can I use instead of a retaining wall?
- Reinforced Soil Slopes. Reinforced soil slopes are a quick and easy construction style that uses a geotextile, such as polyethylene or polypropylene, to lock existing soil into place to create a reinforced mass. …
- Natural Stone Walls. …
- Wooden Timbers. …
- Gabion Walls. …
- Soil Bioengineered Walls.
What are the types of retaining wall?
- Gravity wall.
- Reinforced Retaining Wall.
- Concrete Cantilever retaining wall.
- Counter-fort / Buttressed retaining wall.
- Cantilevered wall.
- Reinforced Soil Retaining Wall.
- Soil nailed wall.
- Anchored wall.
What is a retaining wall for a pool?
What is a Pool Retaining Wall? In landscaping, a retaining wall is designed to do exactly what it says – retain dirt or rocks and prevent them from falling down into your yard. As for a swimming pool, this type of wall does something similar as it serves to be a barrier around your pool.
What is RCC retaining wall?
Reinforced Cement Concrete Retaining Wall (Cantilever Type) Maximum 6.0 meter Height including Column Load in Line. Retaining walls are utilized in the formation of basement under ground level, wing walls of bridge and to preserve slopes in hilly terrain roads. … As a result it is also known as gravity retaining wall.
How long do retaining walls last?
How long will my retaining wall last? For a permanent wall structure, the general lifespan is generally between 50 and 100 years. This does, however, depend on the conditions of the soil and groundwater at your site.
Does a retaining wall add value to your home?
With a broader range of appeal, investing in landscaping can add up to 15 percent to the value of a home, and an average return of 100 to 200 percent. … Not only does a retaining wall add structural integrity to a yard that is sloped, but the right retaining wall can add significant aesthetic value to the property.
Can you DIY a retaining wall?
Choose a DIY-friendly building material. Retaining walls can be made from wood, bricks, natural stones or concrete blocks. For DIYers, it’s best to use concrete retaining wall blocks, which can be interlocking and are heavy enough to stay in place without cement or other adhesive.