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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.
One of the worst calamities to touch the village occurred in 1916, when a disastrous fire destroyed a large part of the business area and several homes. As a result of this tragedy, a water tower was erected on Main Street near the present day Sheriff's Annex, where it stood until Hurricane Betsy destroyed it in 1965. By 1948 Lockport's ...
Webcor is a commercial construction contractor with headquarters in San Francisco, California.The firm also has regional offices in Alameda, Los Angeles, San Diego, and San Jose, and is among the largest builders in California with clients including Google, Apple Inc., Samsung, Genentech, Brookfield Properties, University of California, Oracle Corporation, the California Academy of Sciences ...
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 ...
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]
The first expanded polystyrene ICF Wall forms were developed in the late 1960s with the expiration of the original patent and the advent of modern foam plastics by BASF. [citation needed] Canadian contractor Werner Gregori filed the first patent for a foam concrete form in 1966 with a block "measuring 16 inches high by 48 inches long with a tongue-and-groove interlock, metal ties, and a waffle ...