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  1. Concrete - Wikipedia

    A single concrete block, as used for construction 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 …

  2. Concrete, Cement & Masonry - The Home Depot

    Shop Concrete, Cement & Masonry and more at The Home Depot. We offer free delivery, in-store and curbside pick-up for most items.

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

    Nov 28, 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. 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 …

  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. 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.

  8. Concrete - MIT Climate Portal

    Jul 25, 2025 · Concrete is a mix of several different materials: water, fine aggregates (or sand), coarse aggregates (or gravel), chemical additives, and, most importantly, cement. Cement is …

  9. 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 …

  10. Concrete Buying Guide - Lowe's

    Jun 4, 2021 · Concrete is a versatile, durable material. From interiors to exteriors, there are a variety of applications for concrete, from countertops to sidewalks. This guide will show you …