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Retaining wall drain tile.
Backfilling the space behind the blocks with crushed stone and then installing a flexible perforated drainpipe available at the home depot also called drain tile at the base of the wall could.
300 mm behind the block.
Together these four features will provide adequate drainage for most designs.
I thought the drainage pipe method could be an interesting choice.
Backfill refers to the dirt behind the wall.
Thanks for posting this information about retaining wall drainage.
It seems having a good draining system is important to help retaining walls stay in good condition.
Install it in a u shape way behind the wall.
Using a perforated pipe to allow water to enter through the length of the wall could be a good way to make sure.
1 2 m in height or with slopes or other surcharges above the wall will need a toe drain.
The process of making sure that a retaining wall drains properly is relatively simple but it is not very flexible.
Check out this video for some simple instructions on installing a french drain behind an 18 to 24 tall retaining wall before it is backfilled with dirt.
Backfill second a retaining wall must have properly compacted backfill.
Cut holes into the wall to let water out.
Base first a retaining wall must be built on a suitable base.
Fabric keeps rock and soil separate.
Block manufacturers as well as experienced contractors.
Drainage third since most retaining walls are.
Use fabric behind the wall.
Use a shovel to cut up sections of turf and place them as intact as possible on a tarp for later.
The toe drain and the wall rock is designed to remove incidental water from behind the wall and is not meant as primary drainage path for above or below grade water management.
Use drainage tubing behind the wall.
Excavate a trench or series of connected trenches to accommodate the perforated drain tiles.
Although there are exceptions most retaining walls require gravel backfill soil compaction pipe or toe drains and weep holes.
Any reinforced wall or walls over 4 ft.
In all cases wall rock is located within the cores of the block and a minimum of 12 in.
Slope the tubing from one end of the wall to the other or from the ends to the middle.