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University of Zenica , Zenica , Bosnia and Herzegovina
University of Zenica , Zenica , Bosnia and Herzegovina
University of Zenica , Zenica , Bosnia and Herzegovina
University of Zenica , Zenica , Bosnia and Herzegovina
University of Zenica , Zenica , Bosnia and Herzegovina
University of Zenica , Zenica , Bosnia and Herzegovina
Cement Plant Kakanj
This paper presents an experimental investigation into the effect of nanosilica addition to porosity and capillary absorption of concrete. Three concrete mixtures 0%, 2%, and 4% nanosilicaby weight of cementweretested.The procedure described in ASTM C642-06 was used to determine the total volume of permeable voids.Water absorption and the rate of water absorption (sorptivity) was tested in accordance with ASTM C1585-13. The initial and secondary rate of absorption was calculated for each mix. Also, concrete compressive strength at 28 days was determined. Testresults indicated that the incorporation of nanosilicainconcrete resulted inadecreased volume of permeable voids, total water absorption and rate of water absorption, and increased compressive strength at 28 days.
nanosilica, concrete, sorptivity, water absorption, porosity
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