Lime-natural pozzolan conservation mortars: parameters that affect reactivity and strength

Ampatzioglou, Eirini, Karatasios, Ioannis, Colston, Belinda , Watt, David and Kilikoglou, Vassilis (2010) Lime-natural pozzolan conservation mortars: parameters that affect reactivity and strength. In: Historic Mortars and RILEM TC 203-RHM Final Workshop HMC 2010. Rilem Publications S.A.R.L., pp. 845-852. ISBN UNSPECIFIED

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The natural pozzolans studied are commercial products and come from the volcanic islands of Milos and Kimolos, as well as North Greece mainland. The materials were characterised mineralogically and chemically by XRD and SEM/EDX respectively, while their reactivity with calcium hydroxide was studied through a pozzolanic activity test. In addition, five different lime-pozzolan mixtures were prepared and studied for their compressive strength at four preset curing periods (one, three, six and twelve months). The results indicated that when chemical and mineralogical composition was similar, the main parameter affecting the reactivity of the pozzolans and the strength of the produced mixtures was the grain-size distribution of the pozzolans within the range of 0-63μm.

Keywords:Conservation mortars, pozzolans, pozzolanic reactivity, lime, bmjtype
Subjects:F Physical Sciences > F200 Materials Science
F Physical Sciences > F110 Applied Chemistry
F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Life Sciences
ID Code:5100
Deposited On:29 Apr 2012 15:51

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