1) Concrete
Found on
https://www.crosswordclues.com/clue/pozzolan
A pozzolan is an siliceous or siliceous and aluminous material which, in itself, possesses little or no cementitious value but which will, in finely divided form and in the presence of water, react chemically with calcium hydroxide at ordinary temperature to form compounds possessing cementitious properties. The broad definition of a pozzolan impa...
Found on
http://en.wikipedia.org/wiki/Pozzolan
A type of silicon/alumina material that occurs naturally and is produced as a by product of coal combustion. When powdered and moistened it will react with calcium hydroxide and water; its most useable form is fly ash.
Found on
http://www.encyclo.co.uk/local/20453
A cement additive comprising silica in reactive form, which can impart hydraulic set; can be either naturally occurring (e.g. volcanic ash) or artificially produced (e.g. brick dust or pulverised fuel ash, PFA).
Found on
http://www.encyclo.co.uk/local/20934
A siliceous, or siliceous and aluminous material, which in itself possesses little or no cementitious value but will, in a finely divided form, such as a powder or liquid and in the presence of moisture, chemically react with calcium hydroxide at ordinary temperatures to form permanent, insoluble compounds possessing cementitious properties.
Found on
https://www.encyclo.co.uk/local/21066
A siliceous or siliceous and aluminous material, which in itself possesses little or no cementitious value but will, in finely divided form and in the presence of moisture, chemically react with calcium hydroxide at ordinary temperatures to form compounds possessing cementitious properties.
Found on
https://www.encyclo.co.uk/local/21122
No exact match found.
