Lay your base of compacted native soil (about three inches deep). Tamp the soil to ensure that it is secure and firm. Fill the next six to twelve inches with aggregate or gravel. Tamp the gravel or aggregate to ensure a sturdy base.
How to Backfill Retaining Wall?
Backfilling retaining walls is a necessary step in the construction process. Retaining walls are used to reinforce the soil surrounding a structure, preventing it from sliding away due to erosion or other natural forces.
Backfilling is the process of filling in the area behind the retaining wall with soil, gravel, or other material to provide additional support to the wall.
Backfilling also helps to reduce the risk of soil erosion and surface water runoff, as well as providing a more aesthetically pleasing look to the finished wall.
Before starting the backfilling process, it is important to consider the type of material you will be using to fill the space behind the wall.
Depending on the size of the wall and the amount of soil that needs to be filled, you may need to use different materials.
Some common materials used to backfill are gravel, sand, or topsoil. If you are working with a larger wall, you may need to use a mix of several different materials.
Once you have chosen the materials, you will need to prepare the area for backfilling. This includes removing any existing vegetation and leveling the ground.
If you are using gravel or sand, you will need to compact the material to make sure it is evenly compacted.
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