Clear cover of 3 inches.
Concrete retaining wall thickness.
Stem thickness at the top.
Compressive face of concrete d the project calls for.
V l x h x t.
Poured concrete retaining walls can also be decorative and reproduce the look of stone or masonry.
1 2 3 4 5 6 6.
Forces on retaining walls 6.
Concrete retaining wall footing size the depth to the bottom of the base slab should be kept at a minimum of two feet.
In general poured concrete basement walls that are 8 feet tall or less and have no more than 7 feet of soil pressing against them from the outside function well at a thickness of 8 inches.
In this photo increte contractors installed a poured in place decorative concrete wall system called stone crete that creates deep relief stone walls with a variety of available textures and colors.
Soil bearing and stability 8.
T 250mm minimum based on the above approximate geometric proportions let us assumed the following parameters to be used in our design.
Earthquake seismic design 7.
Counterfort retaining walls 12.
As soon as you go higher or have greater depths of soil pushing against the wall you need to increase the thickness to 10 inches.
Cantilevered tilt up walls 13.
Wall stem dimensions wall foundation dimensions width 1 ft strip width 1 ft strip height 13 5 ft length 9 75 ft thickness 8 in.
Enter the height feet.
Gabion walls 16.
When a taller wall or a higher level of soil or both come into play the thickness should increase to 10 inches.
In general the top of the stem of any cast concrete retaining wall should not be less than 12 inches for the proper placement of concrete.
Stone crete is used for sound barrier walls retaining walls subdivision entry walls or wherever.
Wood retaining walls 14.
Poured concrete foundation walls that are less than 8 feet tall and have soil outside that is 6 or 7 feet deep against the wall can often be 8 inches thick and function quite well.
Enter length and height in feet and thickness in inches.
Designing the cantilever wall stem 9.
Enter the length feet.
Building codes and retaining walls 5.
Bottom retaining wall loads the following figure shows all the loads applied to the cantilever retaining wall where.
B short retaining walls vertical walls up to about 3m in height are usually built as shown in figure 1 b.
Retaining walls footings or any other volume of concrete.
Enter the thickness inches.
3 clear rather than the designed 2 clear.
Top thickness 18 in.
Pier and pile foundations 11.
Clear cover of 2 inches.
These consists of a concrete or masonry wall of uniform thickness vertical wall reinforcing and transverse footing reinforcing are all designed for the lateral shear and cantilever bending movement plus the vertical weights of the wall footing and earth fills.