Retaining Wall Drainage Diagram

The interlocking retaining wall block can be used to build walls up to 24 to 36 inches high depending on the size of the block.
Retaining wall drainage diagram. 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. Earthquake seismic design 7. Our experts are happy to provide solutions for your retaining wall needs. 300 mm behind the block.
Forces on retaining walls 6. 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. 1 2 m in height or with slopes or other surcharges above the wall will need a toe drain. To build a natural dry stone retaining wall prepare the site.
Any reinforced wall or walls over 4 ft. Design procedure overview 3. That s because most residential retaining walls have poor drainage and many aren t built to handle the hillside they re supposed to hold back. Soil bearing and stability 8.
Drainage weight of soil. Soil mechanics simplified 4. Although retaining walls are simple structures a casual check around your neighborhood will reveal lots of existing walls that are bulging cracked or leaning. Just give us a call at 763 568 7251 or submit a message through our quick quote system.
Design and build your retaining wall to slope at a minimum rate of. In all cases wall rock is located within the cores of the block and a minimum of 12 in. Lay high quality stones and use a geotextile backing to ensure the wall lasts a long time. Follow the block manufacturer s instructions for wall height limits.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance. Plan for good drainage proper width height ratio and distance between tiers. Building codes and retaining walls 5. This is what good retaining wall drainage looks like.
In other cases water pressure behind the wall may cause it to lean outward. The toe drain and the wall rock is designed to remove incidental water from behind the wall and is. When the wall is no longer able to resist the force behind it the weakest part will give.