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SKENDERIVOC, B.; VLAJIÉ, L. Influence of conditions after curing on some properties of concrete containing silica fume. In: INTERNATIONAL CONFERENCE ON HIGH- PERFORMANCE CONCRETE, AND PERFORMANCE AND QUALITY OF CONCRTETE STRUCTURES, 2., 1999, Gramado. Anais… Gramado, 1999.
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Abstract

Presented are the results of investigations about influences of silica fume on the strength increase, water absorption and speed of carbonation of mortar kept 4 years indoors or outdoors. If plasticizer and silica fume had been used in mortar preparation, significant compressive strength increase in hardened mortar after curing has been registered, even indoors in dry laboratory atmosphere where hydration of cement and silica fume was small. Addition of silica fume slightly increases mortar (concrete) carbonation, but if plasticizer is not used the increase of carbonation is more pronounced. Water absorption (porosity) is significantly increased in all test mortars after 4 years, indoors or outdoors.
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