What are heavyweight aggregates, for what purpose are they used, and what are some examples of those frequently used?

What will be an ideal response?


Heavyweight aggregates are used to produce heavyweight concretes with densities of up to 400 lb./ft. (6400 kg/m) that are used for radiation shielding and other applications that necessitate great weight. Frequently used heavyweight aggregates include ferrophosphorus, barite, goethite, hematite, ilmenite, limonite, magnetite, and steel shot and punchings.

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Answer the following statement true (T) or false (F)

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