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Uso de sílice en hormigones de alto desempeño

Abstract:

The current article presents the collecting for the different uses to addition for silica in the normal cement Portland to get high concrete performance. Its focus to use of puzzolan, silica fume and rice husk ash. At the first part of paper we refer about puzzolan, their origin property before and after of setting. This is the way in order to make Puzzolan Portland Concrete. The next topic is micro silica (silica fume): definition, making and properties to increased cement and real applications of high concrete performance with silica fume. Rice husk ash is used in addition with Portland cement, its physical and chemical properties, as then development in Ecuador, with it gets to better use rice hush ask, keeping our environment and the different uses.