Updated in 2020 it concisely describes the retaining wall design components and related design theory based on accepted.
Block retaining wall design guide.
The material being retained the height of the water table the general geographical form of the location the bearing capacity of the earth the wall is going be sitting on and the height of the wall.
Please note that the gravity wall chart provided has specific heights for specific site and soil conditions.
Soil bearing and stability 8.
Corners curves steps terraces and free standing walls in addition to sections on design considerations and design charts.
Learn more about gravity wall construction.
A simple retaining wall design and build guide.
Earthquake seismic design 7.
Gravity walls rely on their own weight and setback to hold up the soil behind them.
Soil mechanics simplified 4.
Design procedure overview 3.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
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.
Contents include design details such as.
Follow the block manufacturer s instructions for wall height limits.
Building codes and retaining walls 5.
If you are not sure of your site conditions we recommend being conservative with your retaining wall heights or use geogrid in your retaining wall.
Forces on retaining walls 6.
Retaining walls are required for slopes and structural purposes as they use footings to hold a wall in place and better retain soil.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
We have produced a simple design guide for retaining walls.