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2. Kraft Group - Wikipedia

   en.wikipedia.org/wiki/Kraft_Group

   The Kraft Group, LLC, is a group of privately held companies in the professional sports, manufacturing, and real estate development industries doing business in 90 countries. Founded in 1998 by American businessman Robert Kraft as a holding company for various interests he had acquired since 1968, [2] it is based in Foxborough, Massachusetts .

3. Reinforced concrete structures durability - Wikipedia

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

   Reinforced concrete structures durability. The durability design of reinforced concrete structures has been recently introduced in national and international regulations. It is required that structures are designed to preserve their characteristics during the service life, avoiding premature failure and the need of extraordinary maintenance and ...

4. Creep and shrinkage of concrete - Wikipedia

   en.wikipedia.org/.../Creep_and_shrinkage_of_concrete

   Creep and shrinkage of concrete are two physical properties of concrete. The creep of concrete, which originates from the calcium silicate hydrates (C-S-H) in the hardened Portland cement paste (which is the binder of mineral aggregates), is fundamentally different from the creep of metals and polymers. Unlike the creep of metals, it occurs at ...

5. Under Armour is laying off workers as retailer says North ...

   www.aol.com/news/under-armour-laying-off-workers...

   May 16, 2024 at 10:45 AM. Smith Collection. Under Armour announced a broad restructuring plan on Thursday as it said sales in its largest market, North America, plunged 10% and predicted the trend ...

6. Concrete - Wikipedia

   en.wikipedia.org/wiki/Concrete

   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 that of steel, wood, plastics, and aluminium combined.

7. Concrete degradation - Wikipedia

   en.wikipedia.org/wiki/Concrete_degradation

   H2SO4 + Ca (OH)2 → CaSO4 · 2H2O. When concrete is carbonated by atmospheric carbon dioxide (CO 2 ), or if limestone aggregates are used in concrete, H2SO4 reacts with calcite ( CaCO3) and water to also form gypsum while releasing CO 2 back to the atmosphere: H2SO4 + CaCO3 + H2O → CaSO4 · 2H2O + CO2.