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Chemico-Physical Interactions Among the Constituents of Historical Walls in Venice

Published online by Cambridge University Press:  26 February 2011

A. Bakolas ,
R. Bertoncello ,
G. Biscontin ,
A. Glisenti ,
A. Moropoulou ,
E. Tondello  and
E. Zendri
A. Bakolas
Affiliation:
Università di Venezia, Dip. di Scienze Ambientali, 2137 Calle Larga Santa Marta, Venezia, Italy
R. Bertoncello
Affiliation:
Università di Padova, Dip. Chimica Inorganica, Metallorganica ed Analitica, 4 Via Loredan, 35131 Padova, Italy
G. Biscontin
Affiliation:
Università di Venezia, Dip. di Scienze Ambientali, 2137 Calle Larga Santa Marta, Venezia, Italy
A. Glisenti
Affiliation:
Università di Padova, Dip. Chimica Inorganica, Metallorganica ed Analitica, 4 Via Loredan, 35131 Padova, Italy
A. Moropoulou
Affiliation:
National Technical University of Athens, Dpt. of Chemical Engineering, 9 Iroon Polytechniou, 15773 Zografou Campus, Athens, Greece
E. Tondello
Affiliation:
Università di Padova, Dip. Chimica Inorganica, Metallorganica ed Analitica, 4 Via Loredan, 35131 Padova, Italy
E. Zendri
Affiliation:
Università di Venezia, Dip. di Scienze Ambientali, 2137 Calle Larga Santa Marta, Venezia, Italy
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Abstract

In the present study the possible chemical interactions among the constituents of historical walls have been investigated. In Venice but also in the whole mediterranean area the “cocciopesto” (constituted of powder and brick fragments which traditionally confer hydraulic properties to the mortar) has been widely employed both for mortars and the so called “marmorino” plasters. The work has been developed by examing the brick-mortar interaction on historical buildings in Venice. The samples were chemically analysed through XPS and XPSImaging techniques in order to ascertain the chemical composition of the interface layers. The results clearly indicate that a true chemico-physical interaction between brick and lime is present in the historical materials. A calcium carbonate accumulation has been observed at the brickmortar interface.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 352: Symposium – Materials Issues in Art and Archaeology IV , 1995 , 771
Copyright
Copyright © Materials Research Society 1995

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References

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