A retaining wall is commonly used in landscaping to either make better use of a slope or create a decorative statement.
Concrete retaining wall drainage.
When we build a retaining wall we don t only hold back the soil we.
These days many people choose to build their retaining walls with a layer of sand packed up against the stones to create a buffer.
It is important to consider retaining wall drainage in the process of building your wall.
Just give us a call at 763 568 7251 or submit a message through our quick quote system.
It can be vital in ensuring that the wall remains upright and that too much wet earth doesn t cause it to buckle or even collapse.
However retaining walls are built with a certain capacity in mind.
300 mm behind the block.
Why proper drainage is important for retaining wall performance.
Ensure your retaining wall stands strong for years to come by using the correct type of stones for your project and by choosing a design that works well for your soil and lawn type.
How to drain retaining walls.
A retaining wall is built to hold back a certain amount of soil.
Water that s allowed to build up behind retaining walls can damage a wall or cause it to give way.
The toe drain and the wall rock is designed to remove incidental water from behind the wall and is.
Regardless of the reason why a retaining wall is used it is typically constructed of a material such as brick concrete stone or wood timbers.
1 2 m in height or with slopes or other surcharges above the wall will need a toe drain.
The design of a properly built retaining wall resists the force of the soil behind it and prevents caving buckling or leaning.
Typically drain lines are installed at the base of new walls.
Most retaining wall failures including gravity walls are due to poor design and or poor drainage.
Retaining wall drainage technology has improved over the years.
Poor drainage is often the cause of retaining walls failing and then it is often too late to put right.
If you build a sack wall that is curved ie a horizontal arch and leaning back appropriately and soil is naturally well draining it ll easily last many decades.
This video shows how a retaining wall should be back filled to allow for maximum drainage.
In all cases wall rock is located within the cores of the block and a minimum of 12 in.