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Fine aggregates in mortar and concrete enhance workability, uniformity, and help suspend coarse aggregates, while also reducing costs and preventing shrinkage. Harmful ingredients in brick earth include excess lime, iron pyrites, alkalies, pebbles, and organic matter, which can negatively affect brick integrity. Alkali-aggregate reactions can lead to expansion and cracking in concrete due to the formation of alkali-silica gel from reactive silica in aggregates and alkalis in cement.

Author

nnayef423

Language

EN