The concrete foundation needed to support a cement block wall is usually created by pouring concrete into a hollow form lining the sides of the excavation trench but the concrete can also simply be poured into the trench a common scenario for construction of a freestanding landscape wall.
Reinforced hollow concrete block wall.
It is constructed in various engineering projects to serve different purposes.
This type of retaining wall is very easy to build and is economical compared to many other construction methods.
When laid on their side and stacked in an offset manner they resemble to a degree a honeycomb made by a hive of bees.
Lay a run of masonry lathe down the entire course of the wall.
This horizontal spacing will vary but frequently is about every four courses of block.
Stage 1 excavate and cast a reinforced raft.
In this case the top of the excavation is sometimes boxed with lumber to create a finished appearance.
For example you can make a concrete block wall stronger than a poured concrete wall by simply adding some reinforcing steel and additional mortar to the block wall.
Concrete block can be laid with mortar between blocks or dry stacked and sealed with a surface bonding cement.
Your contractor should have filled the hollow spaces in the block with pea gravel concrete and steel bars.
Stage 3 pour concrete between the blocks to cast the reinforced concrete wall.
How to build a reinforced concrete block retaining wall.
The addition of reinforcing steel to either wall system complicates the issue.
Concrete block wall total average cost per square foot.
Stage 2 lay two row of block two block high with a 300mm gap in between the rows of blocks.
The hollow block wall is depending solely on the strength of the thin mortar bed between each concrete block.
14m 2 of 215mm hollow blocks laid 215mm wide or approx.
It will explain the design principles and will go through the process step by step.
Horizontal reinforcement helps to evenly.
Watch the video below to learn how to build a reinforced concrete block retaining wall.
Retaining wall structure is commonly constructed to retain earth mass or back fill materials.
The vast majority of concrete block are hollow.
How to reinforce a hollow concrete block wall step 1.
1m 3 of concrete will fill approx.
I would strongly recommend you hire a licensed and insured concrete block wall contractor to perform the installation for you.
Cost can add up quickly especially if you re a novice and have never attempted a concrete block wall installation before.
Lay your first four courses of concrete block wall.
Bees fill the void spaces of the honeycomb with honey.
Mortared block sometimes is reinforced with horizontal rebar laid in the joints as support against lateral pressure such as basement backfill.
22m 2 of 140mm hollow blocks laid 140mm wide.
Cast in the wall started bars.