1 2 3 4 5 6 6.
Concrete retaining wall thickness.
Retaining walls footings or any other volume of concrete.
B short retaining walls vertical walls up to about 3m in height are usually built as shown in figure 1 b.
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.
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.
3500 psi concrete 5 10.
Building codes and retaining walls 5.
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.
Bending strengthof the section has been reduced by about 15 shear strengthat wall base has been reduced.
Forces on retaining walls 6.
Clear cover of 3 inches.
Bottom retaining wall loads the following figure shows all the loads applied to the cantilever retaining wall where.
Wood retaining walls 14.
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.
T 250mm minimum based on the above approximate geometric proportions let us assumed the following parameters to be used in our design.
Concrete retaining wall footing size the depth to the bottom of the base slab should be kept at a minimum of two feet.
Counterfort retaining walls 12.
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.
Designing the cantilever wall stem 9.
Stem thickness at the top.
Earthquake seismic design 7.
Poured concrete retaining walls can also be decorative and reproduce the look of stone or masonry.
Clear cover of 2 inches.
3 clear rather than the designed 2 clear.
Gabion walls 16.
And the strength steel is installed with a.
Compressive face of concrete d the project calls for.
When a taller wall or a higher level of soil or both come into play the thickness should increase to 10 inches.
Stone crete is used for sound barrier walls retaining walls subdivision entry walls or wherever.
Soil bearing and stability 8.
Pier and pile foundations 11.
Top thickness 18 in.
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.
Cantilevered tilt up walls 13.
Enter the height feet.
Enter the length feet.
Enter length and height in feet and thickness in inches.