The core volume of a standard size 6-inch concrete block is approximately 392 in³ or 0.006424 m³. From our calculations above, we can now say that we need around 0.5782 m³ of concrete or mortar to fill the concrete blocks that we will use to construct our wall.
How Much Concrete to Fill Hollow Blocks?
When it comes to building a wall or a structure, it’s important to know how much concrete to fill hollow blocks. Hollow blocks are pre-fabricated concrete blocks that are used in a variety of construction projects. These blocks are typically made out of concrete and may have reinforcement inside. While hollow blocks are popular in both residential and commercial construction, they can be difficult to estimate the amount of concrete needed to fill them.
The amount of concrete needed to fill hollow blocks will vary depending on the size of the block and the amount of reinforcement inside. Generally, hollow blocks should be filled with concrete to a minimum of 50% of their gross volume. This means that if the block is 12 inches square, the total volume of the block would be 144 cubic inches. Half of that, or 72 cubic inches, would then be the minimum amount of concrete that should be used to fill the block.
When filling hollow blocks with concrete, it is important to use a high-quality concrete mix. The mix should be designed for use in hollow block walls and should include the proper amount of strength to ensure the wall’s stability. It is also important to make sure the concrete mix is well-mixed before pouring it into the block.