In order to make more effective use of silica fume on the improvement of the microstructure of hardened cement paste, many researchers at home and
With the increasing use of micro silica fume in cement concrete, refractory materials and other fields, it is gradually becoming a common material modification admixture,
Silica fume was discovered as a by-product of the silicon metal production process. Jednakże, it has proved high-value thanks to its physical and chemical properties.
Microcelica, or silica fume, is a by-product of the silicon and ferrosilicon alloy production. When these alloys are made, a small amount of silicon dioxide
Silica fume is a good concrete admixture, refractory additive, chemical product dispersant and metallurgical pellet binder for its excellent properties of high temperature resistance, prevention
Make high strength concrete (above C70) with silica fume, which can significantly improve the strength and pumping performance of concrete; Make high impermeability (≥ P30),
Ultra-high performance concrete has high compressive strength, high resistance to deformation, high density and other characteristics, mainly because of a variety of mineral admixtures added
Concrete admixtures are added to concrete mixtures to give them certain characteristics that make them more suitable for specific applications. Na przykład, some admixtures can
Blending amount Generally 5-10% of the amount of cementitious materials. The mixing method of silica fume is divided into internal mixing and external mixing. Internal
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