Concrete Retaining Wall Drainage
When we build a retaining wall we don t only hold back the soil we.
Concrete retaining wall drainage. 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. 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. Just give us a call at 763 568 7251 or submit a message through our quick quote system. A retaining wall is commonly used in landscaping to either make better use of a slope or create a decorative statement.
Water that s allowed to build up behind retaining walls can damage a wall or cause it to give way. Mar 19 2014 when building a retaining wall lay perforated drainage tubing at the base of the wall slightly above ground level so runoff can drain out without undermining your wall. Why proper drainage is important for retaining wall performance. It is important to consider retaining wall drainage in the process of building your wall.
The design of a properly built retaining wall resists the force of the soil behind it and prevents caving buckling or leaning. Poor drainage is often the cause of retaining walls failing and then it is often too late to put right. This video shows how a retaining wall should be back filled to allow for maximum drainage. How to drain retaining walls.
Retaining wall drainage technology has improved over the years. A retaining wall is built to hold back a certain amount of soil. 300 mm behind the block. Most retaining wall failures including gravity walls are due to poor design and or poor drainage.
1 2 m in height or with slopes or other surcharges above the wall will need a toe drain. In all cases wall rock is located within the cores of the block and a minimum of 12 in. Any reinforced wall or walls over 4 ft. These days many people choose to build their retaining walls with a layer of sand packed up against the stones to create a buffer.
The toe drain and the wall rock is designed to remove incidental water from behind the wall and is. Typically drain lines are installed at the base of new walls. However retaining walls are built with a certain capacity in mind.