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  2. Self-drying concrete technology - Wikipedia

    en.wikipedia.org/wiki/Self-drying_concrete...

    Conversely, a self-drying concrete blend consumes all of its mix water with a water:cement ratio of up to 0.6, maintaining good workability while allowing flooring to be installed before it is completely dry. There are also cement products that are partially self-drying, meaning that they use a high percentage of their mix water for hydration ...

  3. Creep and shrinkage of concrete - Wikipedia

    en.wikipedia.org/.../Creep_and_shrinkage_of_concrete

    Changes of pore water content due to drying or wetting processes cause significant volume changes of concrete in load-free specimens. They are called the shrinkage (typically causing strains between 0.0002 and 0.0005, and in low strength concretes even 0.0012) or swelling (< 0.00005 in normal concretes, < 0.00020 in high strength concretes).

  4. Self-healing concrete - Wikipedia

    en.wikipedia.org/wiki/Self-healing_concrete

    [1] [2] Therefore, it is essential to limit the crack's width and repair it as quickly as feasible. Self-healing concrete would not only make the material more sustainable, but it would also contribute to an increase in the service life of concrete structures and make the material more durable and environmentally friendly. [3] [4]

  5. Reinforced concrete structures durability - Wikipedia

    en.wikipedia.org/wiki/Reinforced_concrete...

    The humidity content of concrete is one of the main influencing factors of CO 2 diffusion in concrete. If concrete pores are completely and permanently saturated (for instance in submerged structures) CO 2 diffusion is prevented. On the other hand, for completely dry concrete, the chemical reaction of carbonation cannot occur.

  6. Ready-mix concrete - Wikipedia

    en.wikipedia.org/wiki/Ready-mix_concrete

    Concrete has a limited lifespan between batching / mixing and curing. This means that ready-mixed concrete should be placed within 30 to 45 minutes of the batching process to hold slump and mix design specifications in the US, [15] though in the UK, environmental and material factors, plus in-transit mixing, allow for up two hours to elapse. [16]

  7. Chappell Roan ranks her most iconic looks of the past year - AOL

    www.aol.com/chappell-roan-ranks-her-most...

    You can wear a hundred looks on stage — but only 10 can make Chappell Roan's year-end ranking.. The "Red Wine Supernova" singer has posted a no-frills countdown of her own favorite ensembles ...

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