Mineral Admixtures - Civil and Environmental Engineering
Mineral Admixtures - Civil and Environmental Engineering
Mineral Admixtures - Civil and Environmental Engineering
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<strong>Mineral</strong> <strong>Admixtures</strong><br />
Natural Pozzolans: Classification (1)<br />
• Volcanic glasses: Santorini Earth of Greece,<br />
Bacoli Pozzolan of Italy, <strong>and</strong> Shirasu Pozzolan of<br />
Japan are examples of pozzolanic materials which<br />
derive their lime-reactivity characteristic mainly<br />
from the unaltered aluminosilicate glass.<br />
• Volcanic tuffs: Pozzolans of Segni-Latium (Italy),<br />
<strong>and</strong> trass of Rheinl<strong>and</strong> <strong>and</strong> Bavaria (Germany),<br />
represent typical volcanic tuffs.<br />
P.K. Mehta <strong>and</strong> P.J.M. Monteiro, Concrete: Microstructure, Properties, <strong>and</strong> Materials
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