A hollow unit is that unit which has core void area greater than 25 of the gross area.
Unitary analysis for concrete block wall.
Concrete block unit placement in retaining wall concrete block units should be installed properly in accordance with design documents and need to be plumbed.
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.
Introduction these are the concrete blocks either hollow or solid.
Foundation all concrete block walls must rest on a sturdy foundation of poured concrete.
They may be used for both load bearing as well as non load bearing walls.
Wall ties and metal lath for block wall stiffeners see tds samples in pdf of commercially available wall ties and metal lath wall ties block wall stiffeners for blockworks and expanded mesh lath block wall stiffeners for blockworks 6.
Block walls are usually installed by masons or other masonry contractors and is assembled using mortar and may be filled with rebar and concrete.
Software to structurally design masonry has the capability to design masonry elements constructed with either hollow concrete masonry units or hollow clay masonry units.
They should be placed cells vertical and mortar need to be applied for all sides of the block both in horizontal and vertical directions.