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  1. Concrete - Wikipedia

    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 most widely used …

  2. Concrete | Definition, Composition, Uses, Types, & Facts | Britannica

    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 by …

  3. What is Concrete Made Of? Definition & Ingredients - Concrete

    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 water and …

  4. What is Concrete? Its Types, Properties, and Importance

    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.

  5. Concrete 101 - American Concrete

    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 paste that …

  6. Concrete Basics in Construction from Construction Knowledge.net

    Modern concrete consists primarily of four components: Portland cement, sand, gravel and water. A common misconception with concrete is that it dries and gets hard. Actually, the hydraulic cement …

  7. Cement & Concrete - American Cement Association

    Cement is the fine powder that, when mixed with water, sand, and gravel or crushed stone (fine and coarse aggregate), forms concrete.

  8. SRM Concrete | Quality Concrete, Unmatched Service

    SRM owns and operates ready-mix plants, quarries, cement terminals, harbors, and other construction products and services. From a backyard patio to a skyscraper, SRM Concrete’s products are …

  9. imi Concrete | imi

    imi Concrete, located in Smithville, offers high-quality ready-mix concrete for projects of any size. We meticulously prepare each batch with top-grade materials and customize it for every job to optimize …

  10. Concrete Basics - ConcreteState

    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 chemical reaction …