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.
Hollow block retaining wall design example.
Use infill or approved on site soils to backfill behind the wall rock in lifts of no more than 8 in.
Owners can be confident in the proven long term performance of the wall s integrity.
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.
Built to last unilock manufactured retaining wall systems are engineered to last.
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.
Individual units range from 19lbs 8 6kg to 1 700lbs 772 7kg and some.
Design method this guidance document is primarily concerned with the design of retaining walls rather than free standing walls.
More information on compacting your retaining wall.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
In 1990 the concrete masonry association of australia cmaa published masonry walling guide no 4.
If someone suggested creating a wall or fence from a wire cage filled with crushed rock you might assume it would be ugly and is only used to save money.
Fill a hollow block core and the ability to easily modify blocks on site is a considerable labor savings.
Into hollow concrete blockwork which is built on a reinforced concrete footing.
Design for earth loads retaining walls which set out a design methodology and safe load tables for these structures.
Building codes and retaining walls 5.
Use a plate compactor to consolidate the wall rock directly behind the block then compact in a path parallel to the wall working from the back of the block to the back of the excavated area with a minimum of 2 passes.
Sketches of the retaining wall forces should be considered to properly distinguish the different forces acting on our retaining wall as tackled in the previous article retaining wall.
Gabion is tough and can be designed to be an attractive material and design for fences walls retaining walls benches and other structures.
Follow the block manufacturer s instructions for wall height limits.
Reference guide for designing retaining walls using interlocking concrete blocks epcl 2017 rwrg 01 p01 june 2017 3 2.
Soil mechanics simplified 4.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
N ultimate load design with material.
Soil bearing and stability 8.
Check out all of these gabion wall and fence ideas.
Avoid having downspouts pointed at the retaining wall and if it s against the house keep soil and mulch well below the siding.