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  1. en.wikipedia.org › wiki › ConcreteConcrete - Wikipedia

    A single concrete block, as used for construction. Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, and is the most widely used building material.

    • Bottom Ash

      A coal-fired power plant with ash ponds. Bottom ash is part...

    • Environmental Impact of Concrete

      The environmental impact of concrete, its manufacture, and...

    • Types

      Concrete is produced in a variety of compositions, finishes...

    • Properties

      Properties of concrete. Concrete has relatively high...

  2. Concrete is an important material for making different buildings and structures. It is a composite made of Portland cement , sand , gravel or rock aggregate , and water . The amount of each can change depending upon what the concrete will be used for.

  3. www.wikiwand.com › en › ConcreteConcrete - Wikiwand

    Concrete is a composite material composed of aggregate bonded together with a fluid cement that cures to a solid over time. Concrete is the second-most-used substance in the world after water, and is the most widely used building material.

  4. en.wikipedia.org › wiki › CementCement - Wikipedia

    Portland cement, the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-speciality grout, was developed in England in the mid 19th century, and usually originates from limestone.

  5. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Steel- reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving (see below).

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