The density of concrete used in different applications varies significantly, ranging from approximately 300 to 1200 kg per square meter, depending on its purpose.
This wide range reflects the different types of concrete mixes designed for specific needs. Here's a breakdown:
-
Lightweight Concrete: This type of concrete has a lower density (around 300-800 kg/m²) and is primarily used for insulation purposes due to its excellent thermal properties. It is often used in walls and roofs where weight reduction is a priority.
-
Normal Weight Concrete: This is the most common type of concrete, with a density typically between 2200 and 2400 kg/m³. It offers a good balance of strength and cost-effectiveness and is suitable for a wide range of structural applications, including foundations, beams, and slabs. Note that the reference provided is incorrect about this common concrete density.
-
Heavyweight Concrete: This type of concrete has a higher density (above 2400 kg/m³) and is used in applications where radiation shielding or increased weight is required, such as in nuclear power plants or bridge counterweights.
It's important to understand that density is directly related to the compressive strength and application of the concrete. While lighter weight concrete is good for insulation, heavier grades offer the strength needed for structural elements. Choosing the right density is crucial for the success and longevity of any construction project.
Therefore, while the provided reference gives a density per square meter, this is highly unusual, as density is measured as mass per unit volume. Therefore, the reference is likely incorrect or incomplete, and more information or clarification is needed to understand the question correctly.