Foundation Concrete Block Wall Construction Details

Concrete masonry unit resources.

Foundation concrete block wall construction details.

Foundation all concrete block walls must rest on a sturdy foundation of poured concrete. 9 5 mm thick mortar joints face shell mortar bedding and a 10 allowance for waste. In the case of column raft cement concrete 1 4 8 is the best recommended ratio for it in the foundation. 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.

This information bulletin provides general requirements and specifications for the construc. 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. 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.

The cement concrete 1 8 16 is generally used in the foundation of walls in construction work. In fact the footings size and reinforcements are exactly the same for cip concrete foundation walls and cmu foundations. 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. 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.

When you are building a masonry or concrete foundation wall it shall have a minimum thickness of 6 inches. Poured and block foundations both sit on concrete footings or poured pads that serve as a base for the walls. For more information or for any questions please contact rcp block brick architectural support. Concrete masonry can be used to provide a strong durable energy efficient and insect resistant foundation for all building types.

This figure assumes in. Footings are constructed in trenches dug beneath the level of the basement floor. For brick masonry cement mortar 1 4 to 1 6 is used as a loading condition. This tek contains details for various types of concrete masonry foundation walls with accompanying text as appropriate.

The reader is referred to tek 3 11 concrete masonry basement wall construction tek 19 3b. Construction of concrete block retaining wall with steps.