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Bookmark or Share- Concrete | Definition, Composition, Uses, Types, & Facts | Britannicaconcrete, in construction, structural material consisting of a hard, chemically inert particulate substance, known as aggregate (usually sand and gravel), that is bonded together by cement and water.. Among the ancient Assyrians and Babylonians, the bonding substance most often used was clay. The Egyptians developed a substance more closely resembling modern concrete by using lime and gypsum ...
- Concrete Buying Guide - Lowe'sThe terms concrete and cement are often used interchangeably. However, the two aren’t the same product. Cement is the main ingredient in concrete and acts as a binder. Portland cement is the most common cement used in concrete. Along with cement, concrete also contains water, a coarse aggregate, and a fine aggregate like gravel or sand.
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