A poured wall is much stronger and generally last many more years than a block wall.
How to build a tall concrete retaining wall.
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.
And secure one row to the next with pins.
Designing very tall walls gets rather complex when accounting for lateral pressure as do the reinforcement options.
Prepare the foundation step 1.
Use the plan design menu above to check out all of the information we have on how to build.
There are many things that need to go into building a retaining wall before the first shovel of dirt is ever moved.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Create contraction joints every 4 6 feet.
See below for more information on contraction joints remove forms and install waterproofing and drainage system.
Step succeeding courses back 3 4 in overlap vertical joints at least 4 in.
Of compacted base 1 in.
Bury the bottom course or courses of the retaining wall one tenth the height of the wall to prevent the soil behind from pushing the bottom out.
If your retaining wall is low in height then it opens up many more options to you in terms of materials you could use to build the wall.
If you want to build a concrete retaining wall you should consider pouring the wall rather than making it out of concrete blocks.
How to build a retaining wall.
Adjust for sloping ground.
Dig for the first row of block.
For row one knock off the flanges with a hammer and chisel so the.
Pouring a concrete retaining wall is not that difficult and this easy to follow how to guide will show you just what to do.
This lets the walls lean and push against the fill.
For example a retaining wall 8 feet tall is not just twice as strong as a wall 4 foot tall.
To bury the first row.
Here are three key principles in building any solid retaining wall.
Step back the blocks rocks or timbers to get gravity working in your favor.
Measure from the edge of your concrete footing to the point where the outside face of your wall will be.
Drive a nail into the concrete here.
With the layout marked you can begin digging the trench.
Allow concrete to cure.
Of leveling sand and half the height of the first course of blocks.
So if your wall is 8 inches wide your two nails should be 8 inches apart.
Finish the surface of the wall as desired.
The 8 foot wall actually needs to be four times stronger.
This low retaining wall is constructed from breeze blocks also known as concrete.