Calculate the amount of concrete per cubic yard needed to fill the footer to ground level.
Retaining wall concrete footer.
You can use plywood instead.
A retaining wall is used to stop soil or dirt in one area typically elevated from moving down to a lower area.
The wall we built was a weekend long project and an exhausting one at that.
Pier and pile foundations 11.
Because of this the footings will need to be built to create a sturdy base.
Forces on retaining walls 6.
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.
The retaining wall is 60 feet long 20 1 2 high and 7 1 2 wide and we ordered 5 yards of concrete but only used 4 1 2 yards.
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.
The retaining wall footing supports the weight of the wall and the soil behind it.
How to build a concrete wall prep work.
We used 2x 8 for the concrete forms because we are using them in another project after the fence is built.
It distributes that weight of the structure to the soil below.
Do this by multiplying the width of the footer by the depth and multiply that total by the length.
If you plan to use brick cinder block or stone that will include the use of mortar then a concrete footing is recommended.
Segmental walls are constructed using individual blocks designed for stability without mortar.
Designing the cantilever wall stem 9.
If you are building a segmental retaining wall then you will not need a footing.
Gabion walls 16.
Counterfort retaining walls 12.
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.
Cantilevered tilt up walls 13.
A footing is an underground concrete structure that a building wall or retaining wall rests upon.
Earthquake seismic design 7.
A solid block wall needs a solid footing.
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.
Soil bearing and stability 8.
Materials tools and site.
One key aspect of retaining wall construction is preparing a solid footing or foundation.
Wood retaining walls 14.
Building codes and retaining walls 5.
The concrete helps stabilize the structure and can prevent sagging or sinking.