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 …

Dec 10, 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 …

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 …

Concrete structures boast some great qualities: In its most common form, concrete consists of aggregate (sand and stone), Portland cement, and water. The cement and water create a …

Oct 17, 2024 · Concrete is a composite material made from three basic components: cement, water, and aggregates (such as sand, gravel, or crushed stone). When these materials are …

In its simplest form, concrete is a mixture of paste and aggregates. The paste, composed of portland cement and water, coats the surface of the fine and coarse aggregates. Through a …