Minimum Concrete Retaining Wall Thickness

Enter the length feet.

Minimum concrete retaining wall thickness.

Enter length and height in feet and thickness in inches. 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. 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. For more on designing bearing walls refer to chapter 11 of aci 318 19.

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. V l x h x t. 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. Bed joints of the starting course over the concrete foundation may be between 1 4 and 3 4.

Minimum thickness of walls 4 1 bearing walls. All head and bed joints shall be 3 8 thick. Bottom retaining wall loads the following figure shows all the loads applied to the cantilever retaining wall where. Top thickness 18 in.

1 2 3 4 5 6 6. Retaining walls footings or any other volume of concrete. Ubc recommends minimum thickness of bearing wall to 1 25 supported height or length whichever is shorter or not less than 102mm. 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.

Ubc specified minimum thickness of exterior basement wall and foundation wall to be 191mm. 4 2 exterior basement wall and foundation wall. B short retaining walls vertical walls up to about 3m in height are usually built as shown in figure 1 b. Enter the height feet.

Section 11 3 1 1 states that the minimum thickness shall be based on the shorter of either the unsupported wall height or length. Enter the thickness inches.