Foundation Concrete Block Wall Construction Details

Foundation walls should be constructed high enough so the bottom of the floor is above the design flood elevation.

Foundation concrete block wall construction details.

The reader is referred to tek 3 11 concrete masonry basement wall construction tek 19 3b. This information bulletin provides general requirements and specifications for the construc. Construction of concrete block retaining wall with steps. The cement concrete 1 8 16 is generally used in the foundation of walls in construction work.

For brick masonry cement mortar 1 4 to 1 6 is used as a loading condition. Concrete masonry can be used to provide a strong durable energy efficient and insect resistant foundation for all building types. Standard cmu block wall detail the purpose of this information bulletin is to assist owners and builders who may choose to erect simple freestanding concrete masonry unit cmu block walls using the department s standard detail. In the case of column raft cement concrete 1 4 8 is the best recommended ratio for it in the foundation.

Concrete mix for footing to be 1 part cement to 2 5 parts sand to 3 5 parts gravel with a maximum of 7 5 gallons of water per sack of cement minimum f c 2 500 psi. When you are building a masonry or concrete foundation wall it shall have a minimum thickness of 6 inches. Rcp block brick has compiled a selection of commonly requested construction details drawings and supporting information for the design and construction of concrete masonry unit structures. Footings are constructed in trenches dug beneath the level of the basement floor.

In fact the footings size and reinforcements are exactly the same for cip concrete foundation walls and cmu foundations. Foundation all concrete block walls must rest on a sturdy foundation of poured concrete. This tek contains details for various types of concrete masonry foundation walls with accompanying text as appropriate. The biggest difference is the dowls that provide vertical reinforcements for the block wall which can be as close as 8 inches on center every cell 16 inches on center every other cell 32 inches on center or max at 48 inches on center.

For more information or for any questions please contact rcp block brick architectural support. It is recommended to have at least 8 inches above the dfe at all points. Concrete masonry unit resources. 6 concrete block masonry wall detail 6 0 height maximum general specifications.

Poured and block foundations both sit on concrete footings or poured pads that serve as a base for the walls. The depth and size of the foundation will vary depending on the size of the concrete block wall and the weight it must support but a typical freestanding wall requires a foundation that is about twice as wide as the wall itself and which extends about 1 foot down below the frost line.