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  2. Concrete leveling - Wikipedia

    en.wikipedia.org/wiki/Concrete_leveling

    In civil engineering, concrete leveling is a procedure that attempts to correct an uneven concrete surface by altering the foundation that the surface sits upon. It is a cheaper alternative to having replacement concrete poured and is commonly performed at small businesses and private homes as well as at factories, warehouses, airports and on roads, highways and other infrastructure.

  3. Underfloor air distribution - Wikipedia

    en.wikipedia.org/wiki/Underfloor_air_distribution

    UFAD systems use an underfloor supply plenum located between the structural concrete slab and a raised floor system to supply conditioned air to supply outlets (usually floor diffusers), located at or near floor level within the occupied space. Air returns from the room at ceiling level or the maximum allowable height above the occupied zone. [1]

  4. Raised floor - Wikipedia

    en.wikipedia.org/wiki/Raised_floor

    An alternative raised floor application with disposable formworks from job site in Turkey A suction-cup tile lifter has been used to remove a tile.. A raised floor (also raised flooring, access floor(ing), or raised-access computer floor) provides an elevated structural floor above a solid substrate (often a concrete slab) to create a hidden void for the passage of mechanical and electrical ...

  5. Self-leveling concrete - Wikipedia

    en.wikipedia.org/wiki/Self-leveling_concrete

    Self-leveling concrete was invented in 1952 by Axel Karlsson from Sweden. The first product was a combination of wood glue, fine sand and cement with additives. [1] It was called flytspackel, which directly translates to "floating putty". The term self-leveling can be traced back to a patent applied by the company Lafarge in 1997. [2]

  6. Tilt up - Wikipedia

    en.wikipedia.org/wiki/Tilt_up

    A finished tilt-up building. Tilt-up, tilt-slab or tilt-wall is a type of building and a construction technique using concrete.Though it is a cost-effective technique with a shorter completion time, [1] poor performance in earthquakes has mandated significant seismic retrofit requirements in older buildings.

  7. Today's Wordle Hint, Answer for #1249 on Tuesday, November 19 ...

    www.aol.com/lifestyle/todays-wordle-hint-answer...

    Today's Wordle Answer for #1249 on Tuesday, November 19, 2024. Today's Wordle answer on Tuesday, November 19, 2024, is GOING. How'd you do? Next: Catch up on other Wordle answers from this week.

  8. Moral Injury: The Grunts - The Huffington Post

    projects.huffingtonpost.com/moral-injury/the...

    Can we imagine ourselves back on that awful day in the summer of 2010, in the hot firefight that went on for nine hours? Men frenzied with exhaustion and reckless exuberance, eyes and throats burning from dust and smoke, in a battle that erupted after Taliban insurgents castrated a young boy in the village, knowing his family would summon nearby Marines for help and the Marines would come ...

  9. Floor slip resistance testing - Wikipedia

    en.wikipedia.org/wiki/Floor_slip_resistance_testing

    Pendulum floor slip resistance tester. The ASTM E303-22 [1] (United States), BS EN 16165:2021, [2] BS EN 13036-4:2011 [3] (United Kingdom and many other European nations), AS 4663:2013 - Slip resistance of existing pedestrian surfaces, and AS 4586:2013 - Slip resistance classification of new pedestrian surface materials (Australia/New Zealand) slip resistance test standards define the pendulum ...