The hydration process and the paste structure of a new cemerititious mineral 3CaO ?3Al2Oi ?SrSOt have been investigated in the presence of different sulphates. It is difficult to form hydrates with SrSOt,but the paste...The hydration process and the paste structure of a new cemerititious mineral 3CaO ?3Al2Oi ?SrSOt have been investigated in the presence of different sulphates. It is difficult to form hydrates with SrSOt,but the paste is toughened greatly by SrSO4 microcrystal precipitates and very high strength is ob-tained. A quantity of expansive ettringite is formed in the pres-ence of gypsum. That makes porosity of paste increase and strength decrease.展开更多
文摘The hydration process and the paste structure of a new cemerititious mineral 3CaO ?3Al2Oi ?SrSOt have been investigated in the presence of different sulphates. It is difficult to form hydrates with SrSOt,but the paste is toughened greatly by SrSO4 microcrystal precipitates and very high strength is ob-tained. A quantity of expansive ettringite is formed in the pres-ence of gypsum. That makes porosity of paste increase and strength decrease.
