Oldcastle mini beltis 3 in.
Block retaining wall design example.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
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Soil bearing and stability 8.
Let s take a fresh look and see how concrete interlocking blocks or more commonly known as concrete lego blocks can be used as the solution.
Traditional retaining wall solutions can be expensive and restrictive for example cast in situ construction is slow and expensive to build and precast retaining wall panels are restricted in height.
W x 4 in.
Take a look to see if you can make one of these styles work for your project.
Design procedure overview 3.
There are some great examples of block retaining walls in the photos below from basic cinderblocks to intricate masonry work.
D tan charcol concrete retaining wall block 378 piece pallet model 16253061 1 28 1 28.
Retaining walls built from boulders are practical and extremely effective.
Soil mechanics simplified 4.
Buy 378 or more 1 15.
The following design example briefly illustrates some of the basic steps used in the allowable stress design of a reinforced concrete masonry cantilever retaining wall.
H x 8 in.
Building codes and retaining walls 5.
Concrete masonry units concrete blocks manufactured to provide an attractive durable stable face to a retaining wall.
Gravity walls rely on their own weight and setback to hold up the soil behind them.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.
Follow the block manufacturer s instructions for wall height limits.
The interlocking retaining wall block can be used to build walls up to 24 to 36 inches high depending on the size of the block.
The weight of a building or another retaining wall above and set back from the top of the wall are examples of dead load surcharges.
Retaining walls which set out a design methodology and safe load tables for these structures.
Forces on retaining walls 6.
Conditions and wall geometry n a design example which demonstrates the use of the australian standard and.
Please note that the gravity wall chart provided has specific heights for specific site and soil conditions.
Learn more about gravity wall construction.
Design the reinforced concrete masonry cantilever retaining wall shown in figure 2.
Assume level backfill no surcharge or seismic loading active earth.
If you are not sure of your site conditions we recommend being conservative with your retaining wall heights or use geogrid in your retaining wall.
Earthquake seismic design 7.