How do reduce density of concrete?

Updated: 9/22/2023
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11y ago

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Add ballast that is less dense than the gravel/sand in the concrete such as LECA (Light Expanded Clay Aggregate).

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Q: How do reduce density of concrete?
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What is the procedure to reduce density of concrete?

Just add enough water.

What is the density of M-30 grade concrete?

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Concrete has a relative density of 2.4 (although see the note below). Calculation of a relative density requires comparison to a reference material. Most commonly this is water. Water has a density of 1000 kg/m3 while concrete has a density of 2400 kg/m3. As such concrete is 2.4 times denser than water and so it's reference density is 2.4.

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