Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
How to build concrete retaining wall forms.
Even though we are not dealing concrete blocks always base the height of a concrete wall form on a multiple of 8.
When installed properly concrete offers much more room for customization than any other retaining wall material.
These shoe plates need to be wide enough to support the forms you built.
Determine the design of your concrete project.
How to pour a concrete retaining wall.
Of compacted base 1 in.
Since plywood comes in 4 x 8 sheets the forms are better off 8 long for the most part.
This walls are retaining a h.
Set the forms on plywood boards near where you plan on building the wall.
Here are the steps tom ralston owner of tom ralston concrete in santa cruz ca follows when pouring a retaining wall.
Lay your outline on the ground use the tape measure to ensure correct measurement and the carpenter s protractor to verify correct angles.
Measure and mark footing locations.
Measure for the wall.
Learn how to set the forms for a concrete wall.
Place nails at least 8 feet apart.
Place 3 4 in 1 9 cm pieces of plywood on the ground.
Drive stakes into the ground at each corner of the outline.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Refer to the plan or schematic for the retaining wall.
Arrange them so they border the hole in your yard where you plan on pouring concrete for the wall.
Measure from the edge of your concrete footing to the.
For taller walls build shorter forms to add to the 4 sections.
Then use the marking paint and measuring tape to lay.
Poured concrete retaining walls can be colored textured accented with embedded objects and much more.
Tie twine to the first stake and string it around the perimeter of the outline tying it to each stake.
We are using symmons forms on this job but the general principles are the same.
How to build a concrete wall figure a.