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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]
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.
The durability of prestressed concrete is principally determined by the level of corrosion protection provided to any high-strength steel elements within the prestressing tendons. Also critical is the protection afforded to the end-anchorage assemblies of unbonded tendons or cable-stay systems, as the anchorages of both of these are required to ...
Elon Musk is facing a demand to pay a fine of an undisclosed amount or face charges from the Securities and Exchange Commission. (Chesnot/Getty Images)
The American economy grew at a healthy 3.1% annual clip from July through September, propelled by vigorous consumer spending and an uptick in exports, the government said in an upgrade to its ...
In addition to Lowe, Apple Music Radio features broadcasting pros like Ebro Darden, who also hosts a morning show on New York’s Hot 97; Nadeska Alexis, who came up through MTV and Complex; and ...
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