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Ettringite Formation and the Performance of Concrete - The Portland ...

to define ettringite and its form and presence in concrete, ... react with calcium aluminate in the cement to form ettringite ..... equipment, or general appearance.


Effect of Curing Temperature and Cement Chemistry on the ... - PCI

The phenomenon of delayed ettringite formation (DEF) and its implications ... curing is one of the factors that can lead to delayed ettringite formation (DEF) and...


Ettringite revisited

-exist about ettringite in cement: that it is associated .... Cheap supply of aluminous raw materials. (compete ... They are made with the same equipment as used...


Ettringite - Wikipedia

Ettringite is a hydrous calcium aluminium sulfate mineral with formula: Ca6Al2(SO4)3(OH)12·26H2O. It is a colorless to yellow mineral crystallizing in the trigonal...


Delayed Ettringite Formation A Concern for Precast Concrete? - PCI

Oct 18, 1990 ... identified as delayed ettringite attack, a process whereby the normal formation of ettringite in plastic portland cement concrete is either delayed...