Block and concrete are strong in compression but weak in tension.
Poured concrete or block retaining wall.
The only difference between the two finished products s the size of the gravel.
Poured or cast walls must have horizontal steel top and bottom.
Block cores must be filled with pea gravel concrete.
Perhaps the finest examples of poured concrete walls can be seen every day along freeways where these structures are constructed on a massive scale.
The first thing to realize is that concrete block is made from poured concrete.
The former is poured in a semi fluid state into pre built forms and then hardens to form a solid monolithic concrete wall.
These are the same ingredients you d find in a poured or cast concrete foundation.
Portland cement gravel aggregate and sand.
Reinforcing steel needs to be in block walls both vertical and horizontal.
Fast tips for poured vs block walls.
Although made from the same basic ingredients there are several important differences between poured concrete walls and walls made with concrete blocks.
The risk of cracking in poured walls and the difficulty in repairing them makes block and plaster a more forgiving choice.
The latter consists of concrete masonry units cmu s that are joined by using mortar then assembled in a pattern similar to that used in brick masonry.
Several factors determine the cost of a poured concrete wall such as the dimensions of the wall the thickness its height and its length the number of reinforcements present and the quality and type of concrete used.
Many contractors shy away from poured concrete preferring to use cmu block with a plastered face.
The primary ingredients in concrete block happen to be.
Poured concrete wall average cost as a material concrete is usually divided into concrete blocks and poured concrete walls.
Poured concrete foundations also require reinforcing steel if you want the walls to resist the horizontal forces of wet soil.