You should now have a general understanding of what our Standard unit is and what it looks like.

You should also have an understanding of the types of segmental retaining walls:

Unreinforced walls, which rely on the weight of the wall units alone to resist soil loads.

Reinforced walls, which use horizontal layers of geogrid soil reinforcement to stabilize the soil behind the wall units.

The next section, Wall Components, includes all the components of an SRW.