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What is the function of microsilica in shotcrete?

April 26, 2017function microsilica shotcrete

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What is the function of microsilica in shotcrete?

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A. The microsilica is a very effective pozzolanic admixture, and increases the strength, decreases hydraulic permeability (water tightness), and provides mix cohesion in the wet process shotcrete. For more information on microsilica, please refer to presentations on Adi-Con CSF (R).