It is commonly used to separate drainage material from other soil.
Reinforced concrete block wall detail.
Grade 60and grade 40 is used.
Don t forget to detail expansion jointsin the brick veneer and control joints in the concrete block backup.
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.
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.
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.
Cut down on the number of shelf angles to save money and simplify your construction.
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.
Strength of reinforced concrete sections grade of rebar f.
On the fourth course trowel a skim very thin coat of mortar on the block.
Make sure joints between cap blocks are filled with mortar and smoothed with the finishing tool.
This is an extremely popular system offering benefits that include zero lot lines a vertical wall face and a range of possible finishes.
Each file also is available for download in autocad dwg or adobe acrobat pdf file format.
Geotextilea permeable polymeric material which may be woven non woven or knitted.
Strength reduced from 136 7 to 92 5 in kips.
Shelf angles may not be required for veneer support at every floor line.
Brick veneer expands as it ages whereas concrete block shrinks.
Step 2 lay a run of masonry lathe down the entire course of the wall.
2 5 clear to strength steel 5 10.
6 concrete block masonry wall detail 6 0 height maximum general specifications.
Y the project calls for.
To download a detail click on the desired file format dwg or pdf and save the file to your computer.
Concrete masonry unitsconcrete blocks manufactured to provide an attractive durable stable face to a retaining wall.
Lay your first four courses of concrete block wall.
Concrete block units shall conform to astm c90.
Bending strength of the section has been reduced by over 30.
A variety of example details are available here ranging from customizable details to illustrative examples addressing many situations for concrete masonry structures.