Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
Structural detail for a 8 concrete block wall.
The reader is referred to tek 3 11 concrete masonry basement wall construction tek 19 3b preventing water penetration in below grade concrete masonry walls and ncma s basement manual for more detailed design and.
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.
This tek contains details for various types of concrete masonry foundation walls with accompanying text as appropriate.
Concrete block units shall conform to astm c90.
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.
The wall is built to scaffold height or to a bond beam course to a maximum of 5 ft 1 520 mm.
6 concrete block masonry wall detail 6 0 height maximum general specifications.