The tops of cement block walls are typically capped by applying a layer of mortar embedding metal reinforcement strips then covering the wall with solid concrete cap blocks.
Reinforced concrete block wall detail.
Each file also is available for download in autocad dwg or adobe acrobat pdf file format.
Make sure joints between cap blocks are filled with mortar and smoothed with the finishing tool.
2 5 clear to strength steel 5 10.
Concrete masonry unitsconcrete blocks manufactured to provide an attractive durable stable face to a retaining wall.
Strength reduced from 136 7 to 92 5 in kips.
Geotextilea permeable polymeric material which may be woven non woven or knitted.
Bending strength of the section has been reduced by over 30.
Don t forget to detail expansion jointsin the brick veneer and control joints in the concrete block backup.
Y the project calls for.
Shelf angles may not be required for veneer support at every floor line.
Concrete block units shall conform to astm c90.
Grade 60and grade 40 is used.
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Cut down on the number of shelf angles to save money and simplify your construction.
Concrete mix for footing to be 1 part cement to 2 5 parts sand to 3 5 parts gravel with a maximum of 7 5 gallons of water per sack of cement minimum f c 2 500 psi.
Retaining wall systems reinforced concrete masonry walls reinforced and core filled hollow concrete blocks are laid on a reinforced concrete footing to form a cantilever retaining wall figure 4.
Step 2 lay a run of masonry lathe down the entire course of the wall.
The following is a listing of the allan block typical details that are available.
On the fourth course trowel a skim very thin coat of mortar on the block.
Of course all generic details must be modified to the specifics of your project and approved by an architect or engineer prior to use for construction.
To download a detail click on the desired file format dwg or pdf and save the file to your computer.
Strength of reinforced concrete sections grade of rebar f.
It is commonly used to separate drainage material from other soil.
They are commonly h or double u configuration.
A variety of example details are available here ranging from customizable details to illustrative examples addressing many situations for concrete masonry structures.
Brick veneer expands as it ages whereas concrete block shrinks.