We used 2x 8 for the concrete forms because we are using them in another project after the fence is built.
Retaining wall concrete footer.
The retaining wall footing supports the weight of the wall and the soil behind it.
Without a footing the retaining wall may collapse.
Concrete blocks are a common building material for a variety of outdoor projects such as retaining walls and out buildings like garages and tool sheds.
Wood retaining walls 14.
The concrete helps stabilize the structure and can prevent sagging or sinking.
You can use plywood instead.
Segmental walls are constructed using individual blocks designed for stability without mortar.
The footing is usually made of poured concrete but in some situations homeowners may instead opt to simply use tamped earth or a gravel base.
It is important when you are building footings for a concrete retaining wall to make them sturdy.
Because of this the footings will need to be built to create a sturdy base.
Pier and pile foundations 11.
If you are building a segmental retaining wall then you will not need a footing.
Do this by multiplying the width of the footer by the depth and multiply that total by the length.
It took a day to rip out the old collapsing retaining wall to dig farther into the hill to provide room for the backfill gravel and to help unload materials.
A solid block wall needs a solid footing.
A footing is an underground concrete structure that a building wall or retaining wall rests upon.
Gabion walls 16.
Soil bearing and stability 8.
The wall we built was a weekend long project and an exhausting one at that.
Earthquake seismic design 7.
How to build a concrete wall prep work.
A retaining wall is used to stop soil or dirt in one area typically elevated from moving down to a lower area.
It distributes that weight of the structure to the soil below.
Forces on retaining walls 6.
Calculate the amount of concrete per cubic yard needed to fill the footer to ground level.
The 2x8 s were used to keep the concrete in the forms.
Building codes and retaining walls 5.
Step 1 check local government ordinances.
However for even the most modest block structure to have enough rigidity to bear pressure and weight it needs proper footing.
If you plan to use brick cinder block or stone that will include the use of mortar then a concrete footing is recommended.
One key aspect of retaining wall construction is preparing a solid footing or foundation.
Counterfort retaining walls 12.
If you are new to this type of project here are a few tools and materials that you may need as well as some steps to help guide you through the process.
Materials tools and site.