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What is Uses of Aggregates in Engineering about?
Aggregates are coarse particulate materials used in construction including sand, gravel, crushed stone, slag, and recycled concrete. They come from igneous, sedimentary, and metamorphic rocks. Tests are conducted to identify the rock type and ensure aggregates qualify for different uses. These include petrographic analysis under a microscope to check for reactions between aggregates and highly alkaline cement. Three main alkali reactions are the silica reaction which causes expansion, the silicate reaction
- Author
- im23world
- Language
- EN