Universal hydraulic binder based on fly ash type F
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United States of America Patent
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Jun 1, 2010
Grant Date -
Sep 3, 2009
app pub date -
Feb 24, 2006
filing date -
Feb 24, 2006
priority date (Note) -
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Abstract
The present invention concerns the development of a simple, multipurpose, low cost, environmental friendly and safe binder formulation and related process, based on high volumes of alkaline activated class F fly ash residue (>760%) without ordinary Portland cement and related products, offering a wide scope of applications. More specifically, the universal binder is based on a very limited number of components (fly ash type F, Blast Furnace Slag and a mixture of alkali silicates and carbonates). The binder allows developing considerable strength at the early stage (at room temperature) and very high resistances at 28 days. The binder applies to pastes, mortars concretes and pre-cast with the same flexibility of an Ordinary Portland Cement.
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