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pozzolan
(redirected from pozzolana)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
poz·zo·lan  (pts-län) also poz·zo·la·na (-s-län) or poz·zuo·la·na (-sw-)
n.
1. A siliceous volcanic ash used to produce hydraulic cement.
2. Any of various artificially produced substances resembling pozzuolana ash.

[Italian pozzolana, after Pozzuoli.]

pozzo·lanic adj.


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The cement industry concludes the following contents -Cement clinker -Portland cement, Ordinary Portland cement, Slag cement, Portland Cement Fly Ash, Portland Pozzolana cement, Composite Portland cement, etc.
It was the contemporaneous development of the arch and discovery of pozzolana mortar, with a new need for large gathering spaces for social institutions, and the availability of wealth from conquests and taxation which provided the wherewithal for buildings that met a compelling 'desire to match the architectural accomplishments of conquered territories in the Hellenistic Greek world'.
The Romans invented concrete, mixed from pozzolana, a volcanic ash mined on the slopes of Mount Vesuvius, which forms a natural cement when combined with lime.
 
 
 
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