Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pastes of tricalcium silicate with rice husk ash
AbstractPastes of tricalcium silicate with rice husk ash (RHA) were cured at 25°C for 1–245 days and examined by XRD, analytical electron microscopy, TG, acid extractions to determine unreacted rice husk ash, and trimethylsilylation. The rice husk ash was highly reactive, and contents of calcium hydroxide, referred to the ignited weight, never exceeded 3%. Initially, a product having a Ca/Si atom ratio of 0.1–0.2 was formed, but this was later replaced by one having a Ca/Si ratio of approximately 1.3. The proportion of the Si in the hydration products that was present as polymeric ions was greater than that found in pure C3S or C3S-fly ash pastes of similar age, but the anion size distributions within the polymer were all broadly similar.
Pastes of tricalcium silicate with rice husk ash
AbstractPastes of tricalcium silicate with rice husk ash (RHA) were cured at 25°C for 1–245 days and examined by XRD, analytical electron microscopy, TG, acid extractions to determine unreacted rice husk ash, and trimethylsilylation. The rice husk ash was highly reactive, and contents of calcium hydroxide, referred to the ignited weight, never exceeded 3%. Initially, a product having a Ca/Si atom ratio of 0.1–0.2 was formed, but this was later replaced by one having a Ca/Si ratio of approximately 1.3. The proportion of the Si in the hydration products that was present as polymeric ions was greater than that found in pure C3S or C3S-fly ash pastes of similar age, but the anion size distributions within the polymer were all broadly similar.
Pastes of tricalcium silicate with rice husk ash
Khan, M.H. (Autor:in) / Mohan, K. (Autor:in) / Taylor, H.F.W. (Autor:in)
Cement and Concrete Research ; 15 ; 89-92
03.05.1984
4 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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