Ceramics-Silikáty 48, (1) 29 - 33 (2004) |
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EFFECT OF LIMESTONE FILLERS AND SILICA FUME POZZOLANA ON THE CHARACTERISTICS OF SULFATE RESISTANT CEMENT PASTES
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El-Alfi E. A. 1, Radwan A. M. 1, El-Aleem S. Abed 2
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1 National Research Center, Dokki, Cairo, Egypt
2 Faculty of Science, Cairo University, Egypt
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Keywords: Portland cement, Limestone, Hydration, Compressive strength
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Characteristics of sulfate resistant cement pastes containing limestone as well as silica fume cured up to 90 days were studied.
The results show that the addition of 5 wt.% of limestone as well as silica fume to the above cement improve its mechanical
properties as well as give a lower porosity at 3-90 days curing times. In addition, the free lime contents give lower values
(2.4 and 0.91 wt.%) in the pastes containing 8 and 10 wt.% silica fume, respectively. |
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