| 摘要 |
<p>A cementitious composition is disclosed which includes: a binder containing (a) 60-94%, by weight, of at least one pozzolanic material (such as ground granulated blast furnace slag and/or fly ash); (b) at least 0.5% calcium sulfoaluminate (CSA), by weight; (c) 1.2-11% by weight, expressed as SO3, of at least one inorganic sulfate selected from the group of sulfates consisting of calcium sulfate hemihydrate, anhydrous calcium sulfate, calcium sulfate dihydrate, sodium sulfate, and sodium calcium sulfate; and (d) a total sulfate content of at least 3%, by weight, expressed as SO3, the cementitious composition including, at most, 3% natural lime, the cementitious composition including, at most, 10% alumina cement, the contents of the composition being calculated on a dry, aggregateless basis.</p> |
