Pea Gravel For Retaining Wall Base

Basic retaining wall installation step 1.
Pea gravel for retaining wall base. Behind a timber or dry stacked stone retaining wall pea gravel also provides continuous support for a structure. Multiply the length and width measurements to. The following points need to be considered when planning your retaining wall installation. If you have loose or sandy soil you ll need a base layer.
Because pea gravel is long lasting it also prevents stones and bricks on a patio or walkway from rotating under foot traffic. Excavation leveling pad. All retaining walls encounter the force of water whether it s from heavy rains or some other unforeseen event. Measure the length and width of the wall.
Adding proper drainage prevents water pressure from building up behind the wall and causing it to collapse. Base course drainage pipe. This will help water to drain properly. The leveling pad is the first piece in constructing a stable wall that will last for.
Double the wall s width and use the actual length measurement when. A handheld tamping tool can really help in getting the gravel level but you re right one stray stone can throw off the entire operation. After your drainpipe is in place you should backfill the rest of the space behind the blocks with either sand or pea gravel either will allow water to filter through to the drainpipe at the base. To keep the blocks on your retaining wall level and structurally sound you need a base layer of several inches of well compacted sharp gravel.
The first course of block that you lay is known as the base course. Using bare ground as a base or over a base layer of crushed stone. Divide the base depth of 5 to 7 inches depending on the height of the wall by 1 944 to determine the square. There are a couple of ways to create a pea gravel patio.