Retaining Wall Concrete Footer
Segmental walls are constructed using individual blocks designed for stability without mortar.
Retaining wall concrete footer. Calculate the amount of concrete per cubic yard needed to fill the footer to ground level. Cantilevered tilt up walls 13. How to build a concrete wall prep work. Without a footing the retaining wall may collapse.
You can use plywood instead. Earthquake seismic design 7. 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. The retaining wall footing supports the weight of the wall and the soil behind it.
However for even the most modest block structure to have enough rigidity to bear pressure and weight it needs proper footing. 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. Step 1 check local government ordinances. Designing the cantilever wall stem 9.
Because of this the footings will need to be built to create a sturdy base. If you plan to use brick cinder block or stone that will include the use of mortar then a concrete footing is recommended. A footing is an underground concrete structure that a building wall or retaining wall rests upon. Do this by multiplying the width of the footer by the depth and multiply that total by the length.
If you are building a segmental retaining wall then you will not need a footing. The wall we built was a weekend long project and an exhausting one at that. Wood retaining walls 14. 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.
Forces on retaining walls 6. Pier and pile foundations 11. It is important when you are building footings for a concrete retaining wall to make them sturdy. Materials tools and site.
The concrete helps stabilize the structure and can prevent sagging or sinking. 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. Soil bearing and stability 8. We used 2x 8 for the concrete forms because we are using them in another project after the fence is built.
The 2x8 s were used to keep the concrete in the forms. Building codes and retaining walls 5. Gabion walls 16. 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.
A solid block wall needs a solid footing. It distributes that weight of the structure to the soil below.