Of leveling sand and half the height of the first course of blocks.
Building a retaining wall with concrete blocks uk.
The wall heights are in modules of either 600mm or 800mm depending of the size of wall and the.
Cross section of a retaining wall a cinder block retaining wall is only as straight and solid as the base it s built on.
Check the level and alignment of all blocks as you go along adjusting them with a rubber mallet.
Staring at one end place the first course of concrete blocks top side up on the crushed rock with the front lip facing up and towards the front of the wall.
A garden retaining wall of up to 400mm high can be built out of a single skin wall of facing bricks or concrete block.
Higher walls can be constructed using geo mats to construct reinforced earth walls.
Heavy retaining wall blocks the blocks we used in our demonstration weigh 14 pounds each keep the soil at bay with their weight.
Concrete block retaining walls.
Durable and long lasting 100 years fast to build.
Our concrete block retaining walls can be used to construct a range of retaining wall structures from 1 0m to 6 0m.
The reinforced block wall has been designed to be constructed using 1800 x 600 x 600mm concrete interlocking blocks as configured in the sketch in figure 2.
But it takes skill and planning to construct an attractive wall that can also handle immense pressure shrug off the forces of gravity stand for decades and laugh in the face of mother nature.
Tall wall excavate a trench deep enough to accommodate 4 to 6 in.
Of compacted base 1 in.
But for diyers retaining wall blocks made of concrete are the best solution.
A wall any higher than this needs to be thicker and there are several ways of achieving this.
They work best when the wall is straight.
Concrete interlocking blocks make very good retaining walls.
Reinforced block retaining wall.
This construction forms a cantilever retaining wall using a reinforced concrete base.
The disadvantage is they cannot travel around bend very well.
The examples below are 1 0 1 5 1 8 2 4 3 0 and 4 8m high walls.
How to build a concrete wall figure a.