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Chapter 2 - Using Silica Fume in Concrete
Improving Durability

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Slide
Another test in which silica fume concrete specimens with differing dosages of silica fume were exposed to several acids. In general, note that performance is better with increasing silica fume content.

"Microsilica does not produce concrete that is completely impervious to chemical attack, but it can be used to significantly expand the realm of environments where concrete can perform satisfactorily without needing any surface protection."

Durning, T. A., and Hicks, M. C., "Using Microsilica to Increase Concrete's Resistance to Aggressive Chemicals," Concrete International, Vol. 13, No. 3, March, 1991, pp. 42-48.