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Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid. It is the second-most-used substance (after water), [1] the most widely used building material, [2] and the most-manufactured material in the world. [3]

concrete, 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.

Concrete is an artificial construction material prepared by mixing a binding material (cement or lime), fine aggregate (sand), coarse aggregate (stone chips, brick chips, or gravel), and water in proper proportion. Admixtures may be added to improve specific properties of concrete.

Learn simple DIY repair for concrete and asphalt cracks and stop them before they become more expensive issues. Find out how to apply concrete stain that complements and protects the integrity of a floor, patio or garage surface.

Concrete is a mixture of cement, water, and aggregates like sand and gravel. Once combined, it hardens over time, forming a solid substance that can be formed into almost any shape. Its affordability and strength make it the go-to choice for various construction needs.

Concrete is a carefully balanced mixture of cement, water, sand, and admixtures, with lime in the form of hydrated lime or quicklime, sometimes added for enhanced properties.