Of compacted base 1 in.
How to build a tall concrete retaining wall.
A poured wall is much stronger and generally last many more years than a block wall.
If you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks.
Concrete retaining wall footing size the depth to the bottom of the base slab should be kept at a minimum of two feet.
How to build a concrete wall figure a.
There are many things that need to go into building a retaining wall before the first shovel of dirt is ever moved.
How to build a retaining wall.
Typically measuring 8 by 8 by 16 inches these hefty guys feature two openings aka cells that help stabilize the wall with the help of rebar running through them.
Follow the block manufacturer s instructions for wall height limits.
Of leveling sand and half the height of the first course of blocks.
Pouring a concrete retaining wall is not that difficult and this easy to follow how to guide will show you just what to do.
The 8 foot wall actually needs to be four times stronger.
Use the plan design menu above to check out all of the information we have on how to build.
Traditionally retaining walls were built with standard concrete blocks known as cmus concrete masonry units or cinder blocks as they re more commonly known in the u s.
Designing very tall walls gets rather complex when accounting for lateral pressure as do the reinforcement options.
In general the top of the stem of any cast concrete retaining wall should not be less than 12 inches for the proper placement of concrete.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
For example a retaining wall 8 feet tall is not just twice as strong as a wall 4 foot tall.
By using the information we have on building retaining walls you will get everything you need to plan design and build the perfect retaining wall project.