This includes waste vegetable oil, flat glass, non-packaging plastics, tyres, contaminated soils, pulverised fuel ash and blast furnace slag.
12.
Coal-fired power plants, ground granulated blast furnace slag, a byproduct of steelmaking, and silica fume, a byproduct of industrial electric arc furnaces.
13.
This type of cement has not been made for many years, because Portland-pozzolan cements and ground granulated blast furnace slag addition offer a cheaper and more reliable alternative.
14.
The high silica composition of Roman pozzolana cements is very close to that of modern cement to which blast furnace slag, fly ash, or silica fume have been added.
15.
As with type IV, type V Portland cement has mainly been supplanted by the use of ordinary cement with added ground granulated blast furnace slag or tertiary blended cements containing slag and fly ash.
16.
The building material used was cheap and easily obtained locally : clay to build mud houses ( these have all gone ), blast furnace slag ( later rendered ), and local brick.
17.
In sum, whereas pozzolans provide a number of chemical pathways to form hardened materials, " high-reactivity " pozzolans such as blast furnace slag ( GGBFS ) can also stabilise certain pathways.
18.
Recycled aggregates ( from construction, demolition, and excavation waste ) are increasingly used as partial replacements for natural aggregates, while a number of manufactured aggregates, including air-cooled blast furnace slag and bottom ash are also permitted.
19.
This then resurfaced in the first para of the article ( the first sentence ) where I had to put Jono2013 correct on the first sentence because he had forgotten not to give the impression of blast furnace slag and silica sand are a pozzolan.
20.
"' Portland blast-furnace slag cement, or Blast furnace cement "'( ASTM C595 and EN 197-1 nomenclature respectively ), contains up to 95 % ground granulated blast furnace slag, with the rest Portland clinker and a little gypsum.
