Granulated coal or slag can be used instead of sand and gravel in concrete block making. The blocks generated right are called slag blocks. While the average weight of a typical concrete block is between 17.2 and 19.5 kg, the weight of a slag block is between 11.8 and 15.0 kg.
Another type of block is lightweight concrete blocks. In these, expansive clay is used instead of sand and gravel. The average weight of these blocks is 10.0 – 12.7 kg. These blocks are used for walls that do not carry much load. Lightweight concrete blocks can be made with pumice.
In addition to the basic materials, some chemicals can be added during concrete block making. The purpose of these chemicals is to increase the strength of the block. In addition, dye pigments can be added for coloring purposes.
The answer to the question “How to make concrete blocks?” can be explained by the following stages:
In order for concrete blocks to be products that comply with the standards, they should be checked frequently during manufacturing. Meticulous care should be taken from the mixing stage to the storage stage. For example, as blocks come out of the machine, their dimensions should be checked by means of laser sensors. Or during hardening, the temperature and pressure must be adjusted correctly so that the strength of the block can be high.
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