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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 …

  2. Concrete, Cement & Masonry - The Home Depot

    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 …

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

    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 …

  4. 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 …

  5. Concrete Calculator

    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 …

  6. 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 …

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

    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.

  8. About Concrete - NRMCA

    In its simplest form, concrete is a mixture of paste and aggregates (sand & rock). The paste, composed of cement and water, coats the surface of the fine (sand) and coarse aggregates …

  9. Concrete, Cement & Stucco Mixes | Lowe's

    Concrete, Cement and Stucco Mixes for Strong, Lasting Construction Projects Concrete, cement and stucco mixes form the foundation of durable construction and repair work. Whether you’re …

  10. American Concrete Institute

    ACI CODE-318 is the document that presents the requirements for the design and construction of structural concrete that are necessary to ensure public safety.