Foundation Concrete Block Wall Construction Details

This tek contains details for various types of concrete masonry foundation walls with accompanying text as appropriate.

Foundation concrete block wall construction details.

Typical concrete masonry construction uses about 8 5 ft 3 0 24 m 3 of mortar for every 100 ft 2 9 3 m 2 of masonry wall area. For more information or for any questions please contact rcp block brick architectural support. 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 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. Concrete masonry unit resources. The reader is referred to tek 3 11 concrete masonry basement wall construction tek 19 3b. It is recommended to have at least 8 inches above the dfe at all points.

9 5 mm thick mortar joints face shell mortar bedding and a 10 allowance for waste. Construction of concrete block retaining wall with steps. 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. Foundation walls should be constructed high enough so the bottom of the floor is above the design flood elevation.

Concrete masonry can be used to provide a strong durable energy efficient and insect resistant foundation for all building types. 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. When you are building a masonry or concrete foundation wall it shall have a minimum thickness of 6 inches. It is durable compared to other types of retaining walls.

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. This information bulletin provides general requirements and specifications for the construc. Concrete strength al ൯ne for an 10 thick wall with 5 10 and 2 5 clear to strength steel will only reduce the nominal moment capacity of the secti對on from 136 68 to 135 66 inch kips 尩 if the concrete strength decreased from 3 5 to 3 0 ksi. Poured and block foundations both sit on concrete footings or poured pads that serve as a base for the walls.