摘要 |
<p>An alkali-activated hydraulic binder containing the following essential constituents: slag and aluminium silicate, wherein the amount of slag, particularly blast furnace slag, amounts to = 20 % by weight, aluminium silicate different from blast furnace slag, e.g. fly ash and natural alumini um silicate such as basalt, clay, marl, andesite or zeolite amounts to 5 - 75 % by weight and an alkali activator is provided in an amount, which correspond s to an Na2O equivalent defined as (Na2O + 0,658 K2O) (ASTM C 150), ranging fr om 0.7 % by weight and 4 % by weight, respectively in relation to the overall mixture.</p> |