What Is The Purpose Of A Retaining Wall?

Retaining walls play an integral part in many home landscapes, helping reduce erosion, make slopes usable and even add decorative features.

When building walls that exceed three feet in height, it’s crucial to include drainage pipes as part of your backfill material. Without an effective drainage system in place, water behind the wall can collect and cause tremendous pressure behind it.
Structural Support

No matter if it is in your backyard or office building, retaining walls are vital in providing strength against soil erosion that could otherwise create serious problems. Without one, soil can easily slide down slopes and be washed away during flood conditions or become unstable and cause collapse due to lateral earth pressure.

Retaining walls come in all shapes and sizes to meet the needs of any property. From concrete pillars poured on site to prefabricated solid walls brought from elsewhere or cement block styles like pavers, segmented blocks and unmortared stone, you have an array of choices when selecting your wall system.

Embedded walls that extend deeper into an excavation to take advantage of passive soil pressure to offset active earth pressure are also an option, commonly used to form basements, underground car parks and metro stations in towns and cities. They can be large in scale.
Drainage

Retaining walls are designed to hold back soil, and therefore they must provide drainage.

Any retaining wall without proper drainage will eventually collapse due to water saturation of soil and hydrostatic pressure that puts pressure on its structural members, such as wood or concrete beams and members, such as pushing them off their vertical position and out of alignment with each other.

Adequate on-site drainage during construction will help avoid this from occurring, and installing weep holes (holes that funnel water out to alleviate hydrostatic pressure) at the base of walls is an excellent way to ensure it.

Retaining walls help direct drainage away from buildings to protect their foundations from freeze-thaw cycles, which can damage wooden structures and rock foundations in cold climates. They can even help terrace hillsides into beautiful garden spaces and turn steep slopes into property suitable for commercial or residential use.
Erosion Control

If a building is situated on an elevated platform relative to its surroundings, retaining walls protect against soil from collapsing onto or sweeping away its foundation and damaging or destabilizing it – potentially leading to costly structural issues in wood or concrete walls. With proper design and construction techniques in place, they can stop this type of erosion while keeping structural members intact.

Erosion is a serious problem on hillsides where growing trees or shrubs to hold back erosion is impractical. Retaining walls serve a dual purpose in keeping soil in place as well as reducing surface runoff by creating more gradual gradients – helping prevent both erosion and floods.

Many people use retaining walls to level out sloped areas to create usable outdoor activities and landscaping space, such as terraced hillside areas with flowerbeds.
Sinkhole Prevention

Retaining walls can prevent sinkholes from forming in your yard, especially in areas with limestone bedrock. They do this by preventing erosion and redistributing water flow more evenly – keeping your  garden watering system installers adelaide                                        landscaping intact while avoiding soil collapse.

Walls also help with drainage, reducing runoff rivers that erode soil and contribute to flooding. Many walls feature French drains to divert excess water away from your home and protect both it and its landscape from possible flooding issues.

Gravity walls, constructed using pavers, block or concrete construction materials such as pavers or blocks with embedded weighted feetings to support earth behind it using gravity only as support, are the most commonly used type of retaining wall structure. They can support earth up to 10 meters high without additional support such as footings buried footings steel reinforcement tie back anchors known as dead men or even sheet pile walls driven into the ground as additional support structures.