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A platform for research: civil engineering, architecture and urbanism
Evaluation of pozzolanic activity and physicomechanical characteristics in metakaolin-lime pastes
In order to evaluate the pozzolanic activity of rnetakaolin, several pastes were prepared, by mixing metakaolin with hydrated lime, in different ratios. The pastes were stored in standard conditions (RH = 99 +-1 %, T = 25 +- 1 deg C) and evaluated using thermal analysis (DTA/TG), X-ray diffraction (XRD), compressive strength tests and mercury intrusion porosimetry (MIP), in time. The obtained results revealed that the compounds formed are CSH, C2ASH8 and C4ACH11 while C4AH13 was not detected up to 270 days of curing. The calcium hydroxide consumption increases as the initial amount ofthe metakaolin in the paste augments. The maximum strength development is obtained for metakaolin/lime ratio: 1.
Evaluation of pozzolanic activity and physicomechanical characteristics in metakaolin-lime pastes
In order to evaluate the pozzolanic activity of rnetakaolin, several pastes were prepared, by mixing metakaolin with hydrated lime, in different ratios. The pastes were stored in standard conditions (RH = 99 +-1 %, T = 25 +- 1 deg C) and evaluated using thermal analysis (DTA/TG), X-ray diffraction (XRD), compressive strength tests and mercury intrusion porosimetry (MIP), in time. The obtained results revealed that the compounds formed are CSH, C2ASH8 and C4ACH11 while C4AH13 was not detected up to 270 days of curing. The calcium hydroxide consumption increases as the initial amount ofthe metakaolin in the paste augments. The maximum strength development is obtained for metakaolin/lime ratio: 1.
Evaluation of pozzolanic activity and physicomechanical characteristics in metakaolin-lime pastes
Beurteilung der puzzolanischen Aktivität und der physikalisch-mechanischen Eigenschaften in Metakaolin-Kalk-Pasten
Bakolas, A. (author) / Aggelakopoulou, E. (author) / Moropoulou, A. (author) / Anagnostopoulou, S. (author)
2006
7 Seiten, 13 Bilder, 4 Tabellen, 22 Quellen
Conference paper
English
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