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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, 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 integrity of …

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

    Jan 16, 2026 · 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 …

  4. Concrete Calculator

    Feb 17, 2026 · Calculate amount of concrete you need and estimate cost for concrete slabs, footers, walls, columns, steps, curbs and gutters. Estimate ready mix volume and cost.

  5. Concrete: Scientific Principles

    There is no escaping the impact concrete makes on your everyday life. So what is it? Concrete is a composite material which is made up of a filler and a binder. The binder (cement paste) "glues" the …

  6. 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 …

  7. 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 …

  8. 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 …

  9. 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 (rocks) and binds …

  10. 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.