Foundation Concrete Block Wall Construction Details

For more information or for any questions please contact rcp block brick architectural support.

Foundation concrete block wall construction details.

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. Construction of concrete block retaining wall with steps. This tek contains details for various types of concrete masonry foundation walls with accompanying text as appropriate. It is recommended to have at least 8 inches above the dfe at all points.

This figure assumes in. 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. 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. 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.

Poured and block foundations both sit on concrete footings or poured pads that serve as a base for the walls. The reader is referred to tek 3 11 concrete masonry basement wall construction tek 19 3b. Concrete block retaining wall construction consists of number of phases including excavation foundation soil preparation retaining wall base construction concrete block unit placement grouting and drainage system installation. 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.

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. Concrete masonry unit resources. When you are building a masonry or concrete foundation wall it shall have a minimum thickness of 6 inches. Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.

This information bulletin provides general requirements and specifications for the construc. 9 5 mm thick mortar joints face shell mortar bedding and a 10 allowance for waste. Foundation walls should be constructed high enough so the bottom of the floor is above the design flood elevation. It is durable compared to other types of retaining walls.