Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid over time. It is the second-most-used substance (after water), [1] the …

Oct 16, 2025 · concrete, in construction, structural material consisting of a hard, chemically inert particulate substance, known as aggregate (usually sand and gravel), that is bonded together …

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Concrete is a material comprised of a number of coarse aggregates (particulate materials such as sand, gravel, crushed stone, and slag) bonded with cement. Cement is a substance that is …

Sep 26, 2024 · 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.

Concrete is made up of three basic components: water, aggregate (rock, sand, or gravel) and Portland cement. Cement, usually in powder form, acts as a binding agent when mixed with …

Apr 29, 2024 · Concrete is a fundamental component in urban architecture, offering durability to city infrastructures. The production of concrete, a transformation of ordinary ingredients into a …