Design and build your retaining wall to slope at a minimum rate of.
How to build a retaining wall with drain tile.
Cut one landscape retaining wall.
Using a tape measure decide the length and the width of your retaining wall then mark off the area with the garden stakes and string.
To 50 ft depending on how much rainwater is expected to run down to the wall.
Just below that is 8 to 12 in.
If the primary concern is surface water a trench only 2 feet deep.
Typically drain lines are installed at the base of new walls before the soil is backfilled.
Water that s allowed to build up behind retaining walls can damage a wall or cause it to give way.
1 2 m in height or with slopes or other surcharges above the wall will need a toe drain.
Learning how to build a retaining wall can be fun with these helpful tips.
300 mm behind the block.
Of packed impervious soil to help prevent water from seeping behind the wall.
Why proper drainage is important for retaining wall performance.
And the perforated drain tile collects the water and directs it away from the base of the wall escorting it out through its open ends.
The success of your retaining wall depends on a level base.
This video shows you how to properly install a drainpipe behind your wall for prop.
A wall that leans into the soil it retains is less likely to be pushed outward by soil pressure than a plain old vertical wall.
Any reinforced wall or walls over 4 ft.
Once a few rows have been stacked backfill the wall with rock so it matches the grade height in front of the wall and then lay down perforated drain tile on top of the rock.
Install drain tee fittings and a drain grate every 25 ft.
The gravel below that soil gives water that does enter a fast route to the drain tile.
However retaining walls are built with a certain capacity in mind.
To create a solid foundation dig a trench for the first course of your interlocking retaining wall blocks to sit in and make sure the ground remains even throughout.
A retaining wall is built to hold back a certain amount of soil.
The toe drain and the wall rock is designed to remove incidental water from behind the wall and is.