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  2. Cast Earth - Wikipedia

    en.wikipedia.org/wiki/Cast_earth

    Cast Earth is a proprietary natural building material developed since the mid-1990s by Harris Lowenhaupt and Michael Frerking [1] based on the earlier Turkish Alker, which is a concrete -like composite with soil of a suitable composition as its bulk component stabilized with about 15% calcined gypsum (plaster of Paris) instead of Portland cement.

  3. Concrete slab - Wikipedia

    en.wikipedia.org/wiki/Concrete_slab

    Concrete slab. Suspended slab under construction, with the formwork still in place. Suspended slab formwork and rebar in place, ready for concrete pour. 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 ...

  4. Concrete - Wikipedia

    en.wikipedia.org/wiki/Concrete

    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, [ 1 ] and is the most widely used building material. [ 2 ] Its usage worldwide, ton for ton, is twice ...

  5. Earth shelter - Wikipedia

    en.wikipedia.org/wiki/Earth_shelter

    An earth shelter, also called an earth house, earth bermed house, or underground house, is a structure (usually a house) with earth (soil) against the walls, on the roof, or that is entirely buried underground. Earth acts as thermal mass, making it easier to maintain a steady indoor air temperature and therefore reduces energy costs for heating ...

  6. Gypsum concrete - Wikipedia

    en.wikipedia.org/wiki/Gypsum_concrete

    Gypsum concrete. Phosphorgypsum-based concrete with sawdust aggregate. Gypsum concrete is a building material used as a floor underlayment used in wood-frame and concrete construction for fire ratings, sound reduction, radiant heating, and floor leveling. [1] It is a mixture of gypsum plaster, Portland cement, and sand.

  7. Tremie - Wikipedia

    en.wikipedia.org/wiki/Tremie

    Tremie. A tremie is a watertight pipe, usually of about 250 mm inside diameter (150 to 300 mm), [1] with a conical hopper at its upper end above the water level. It may have a loose plug or a valve at the bottom end. A tremie is usually used to pour concrete underwater in a way that avoids washout of cement from the mix due to turbulent water ...

  8. Foam concrete - Wikipedia

    en.wikipedia.org/wiki/Foam_concrete

    Foam concrete is a versatile building material with a simple production method that is relatively inexpensive compared to autoclave aerated concrete. [1] Foam concrete compounds utilising fly ash in the slurry mix is cheaper still, and has less environmental impact. Foam concrete is produced in a variety of densities from 200 kg/m 3 to 1,600 kg ...

  9. Types of concrete - Wikipedia

    en.wikipedia.org/wiki/Types_of_concrete

    Types of concrete. A highway paved with concrete. Modular concrete paving blocks. Concrete sidewalk stamped with contractor name and date of placement. Concrete is produced in a variety of compositions, finishes and performance characteristics to meet a wide range of needs.

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