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Pozzolanic Activity Index of Local Feldspar | ||
| Journal of Engineering | ||
| Article 1, Volume 15, Issue 2, 2009, Pages 633-643 | ||
| Abstract | ||
| The paper presents an experimental research on pozzolanic activity index of local feldspar obtained from quarries near Al-Najaf lake in comparison an imported microsilica. The feldspar in ground to a very fine powder (1200m2/kg) on Blaine scale. The experiments were made according to ASTM C-311-02. It is found that the pozzolanic activity index of local feldspar is (97%) compared to (92%) for microsilica, which indicates that feldspar can be used for making high performance or compact concrete. | ||
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