Minimum Concrete Retaining Wall Thickness

Bed joints of the starting course over the concrete foundation may be between 1 4 and 3 4.

Minimum concrete retaining wall thickness.

Enter the height feet. When a taller wall or a higher level of soil or both come into play the thickness should increase to 10 inches. Section 11 3 1 1 states that the minimum thickness shall be based on the shorter of either the unsupported wall height or length. 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.

All head and bed joints shall be 3 8 thick. 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. V l x h x t. Enter the thickness inches.

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

1 2 3 4 5 6 6. Retaining walls footings or any other volume of concrete. Aci 530 1 05 section 3 3b nospecialinspectionisrequiredforretain ingwallsupto6feetinheight. For more on designing bearing walls refer to chapter 11 of aci 318 19.

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 recommends minimum thickness of bearing wall to 1 25 supported height or length whichever is shorter or not less than 102mm. Top thickness 18 in. Enter length and height in feet and thickness in inches.

Minimum thickness of walls 4 1 bearing walls. 4 2 exterior basement wall and foundation wall.