| 摘要 |
<p>The invention relates to an accelerator, preferably for shotconcrete or sprayed mortar, said accelerator being present as an aqueous mixture, preferably a dispersion, more preferably a suspension, comprising the following: (a) aluminum in oxidation stage 3, (b) sulfate, (c) fluoride and/or (semi)metal fluoro complexes (d) a stabilizer, preferably an inorganic stabilizer, more preferably magnesium silicate and/or kaolin and/or clay minerals and/or allophane, in particular magnesium silicate and/or bentonite, more preferably sepiolite, most preferably Si12Mg8O30(OH)4(OH< sub>2)4 and/or Mg4Si6O15(OH)2.</p> |
